List of Yaogan Launches

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Yaogan - China's Reconsats

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2019 Aug 26
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The table lists all launches by China under the name Yaogan. They have used a range of different launch vehicles and have been launched from both Jiuquan and Taiyuan.

Yaogan seems to be a name to cover satellites having an imaging mission with a government or military purpose. Some seem to carry optical payloads and others carry radar. There are also some launches into orbits very like the US NOSS satellites. They probably have an ocean reconnaissance ELINT or SIGINT payload.

For the satellites in sun-synchronous orbit, looking at the orbit heights and inclinations together with the descending node local time gives an indication of related payload sets.

2006-015 CZ-4C Taiyuan Space Centre, China						2006 Apr 26, 22:48
Yaogan 1 2006-015A 29092					in space
Imaging satellite (possibly carrying a synthetic aperture radar) for natural resources surveys and, possibly, intelligence gathering. Specific tasks include land survey, crop yield assessment, and input to disaster monitoring and prevention plans. Broke into eight fragments 2010 Feb 4, around 07:00 UTC as the result of a minor internal explosion probably due to equipment failure.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2006 Apr 27, 06:21	6993	0.0017	603	626	96.99	97.80	4	06:00
2006 May 2, 04:37	7007	0.0001	628	629	97.28	97.80	96	05:59
2010 Feb 3, 17:35	7006	0.0002	627	630	97.27	97.86	93	04:59

2007-019 CZ-2D Jiuquan Space Centre, China						2007 May 25, 07:12
Yaogan 2 2007-019A 31490					in space
Imaging satellite for natural resources surveys and, possibly, intelligence gathering. Specific tasks include land survey, crop yield assessment, and input to disaster monitoring and prevention plans.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2007 May 25, 19:40	7021	0.0017	631	655	97.59	97.84	323	13:30
2008 Dec 1, 02:24	7021	0.0018	630	655	97.58	97.89	333	13:02
2009 Dec 9, 00:55	7021	0.0018	631	656	97.59	97.92	204	12:51
2010 Oct 22, 03:47	7022	0.0017	632	656	97.61	97.94	267	12:43
2012 May 10, 08:38	7025	0.0019	633	661	97.67	97.96	256	12:33
2013 Jul 15, 04:50	7024	0.0020	632	660	97.65	97.98	316	12:30
2013 Oct 29, 12:35	7024	0.0020	632	660	97.64	97.98	335	12:29

2007-055 CZ-4C Taiyuan Space Centre, China						2007 Nov 11, 22:48
Yaogan 3 2007-055A 32289					in space
Imaging satellite (possibly carrying a synthetic aperture radar) for natural resources surveys and, possibly, intelligence gathering. Specific tasks include land survey, crop yield assessment, and input to disaster monitoring and prevention plans.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2007 Nov 15, 00:43	6997	0.0007	613	624	97.07	97.80	274	05:59
2007 Nov 21, 10:34	7007	0.0002	627	630	97.28	97.81	118	05:59
2009 Aug 9, 04:05	7006	0.0002	627	629	97.27	97.81	63	05:26
2012 May 10, 09:09	7005	0.0001	626	628	97.25	97.88	66	04:54
2013 Jul 15, 21:32	7003	0.0002	624	626	97.21	97.91	65	04:53
2013 Oct 29, 13:01	7003	0.0002	624	626	97.21	97.92	65	04:54

2008-061 CZ-2D Jiuquan Space Centre, China						2008 Dec 1, 04:42
Yaogan 4 2008-061A 33446					in space
Imaging satellite for natural resources surveys and, possibly, intelligence gathering. Specific tasks include land survey, crop yield assessment, and input to disaster monitoring and prevention plans.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2008 Dec 1, 20:25	7021	0.0013	634	652	97.58	97.92	309	11:00
2009 Dec 9, 02:37	7021	0.0014	634	653	97.59	97.89	180	10:48
2010 Oct 22, 03:47	7022	0.0013	635	653	97.61	97.86	241	10:33
2012 May 10, 08:13	7025	0.0016	635	658	97.66	97.79	219	09:50
2013 Jul 16, 12:29	7024	0.0016	635	657	97.64	97.74	268	09:04
2013 Oct 29, 13:05	7024	0.0016	634	657	97.63	97.72	290	08:51
2013 Nov 20, 20:47	7024	0.0016	634	657	97.63	97.72	212	08:48

2008-064 CZ-4B Taiyuan Space Centre, China						2008 Dec 15, 03:22
Yaogan 5 2008-064A 33456					Re-entered 2014 Sep 2
Imaging satellite for natural resources surveys and, possibly, intelligence gathering. Specific tasks include land survey, crop yield assessment, and input to disaster monitoring and prevention plans. Ceased orbit adjustment manoeuvres around 2010 May 11.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2008 Dec 16, 05:58	6865	0.0008	481	492	94.34	97.40	277	10:30
2011 Nov 9, 03:49	6850	0.0011	464	480	94.03	97.29	165	10:19
2012 May 9, 23:17	6838	0.0008	454	465	93.78	97.26	229	10:18
2013 Jul 16, 13:09	6803	0.0009	419	431	93.07	97.21	106	10:26
2013 Oct 29, 12:40	6791	0.0008	407	419	92.82	97.20	80	10:32

2009-021 CZ-2C Taiyuan Space Centre, China						2009 Apr 22, 02:55
Yaogan 6 2009-021A 34839					in space
Imaging satellite (possibly carrying a synthetic aperture radar) for natural resources surveys and, possibly, intelligence gathering. Specific tasks include land survey, crop yield assessment, and input to disaster monitoring and prevention plans.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2009 Apr 22, 20:06	6882	0.0025	486	521	94.70	97.63	320	10:01
2012 May 9, 22:54	6872	0.0002	492	495	94.48	97.54	49	11:26
2013 Jul 15, 11:13	6890	0.0002	511	513	94.87	97.32	113	11:00
2013 Oct 29, 04:56	6891	0.0002	511	514	94.88	97.31	113	10:52

2009-069 CZ-2D Jiuquan Space Centre, China						2009 Dec 9, 08:42
Yaogan 7 2009-069A 36110					in space
Imaging satellite for natural resources surveys and, possibly, intelligence gathering. Specific tasks include land survey, crop yield assessment, and input to disaster monitoring and prevention plans.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2009 Dec 10, 02:02	7019	0.0025	623	659	97.54	97.84	304	15:00
2010 Oct 22, 02:24	7020	0.0027	623	661	97.56	97.88	5	14:44
2012 May 9, 22:17	7025	0.0026	629	665	97.66	97.96	331	14:26
2013 Jul 15, 12:52	7026	0.0026	630	666	97.68	98.02	21	14:27
2013 Oct 29, 13:20	7026	0.0026	629	666	97.68	98.03	41	14:29

2009-072 CZ-4C Taiyuan Space Centre, China						2009 Dec 15, 02:31
Yaogan 8 2009-072A 36121					in space
Remote sensing for natural resources surveys. Specific tasks include land survey, crop yield assessment, and input to disaster monitoring and prevention plans.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2009 Dec 16, 03:27	7577	0.0008	1193	1204	109.39	100.50	28	09:29
2012 May 9, 21:40	7577	0.0008	1192	1204	109.39	100.37	182	09:32
2013 Jul 16, 06:20	7576	0.0007	1193	1204	109.39	100.31	279	09:19
2013 Oct 29, 08:54	7576	0.0008	1192	1204	109.39	100.29	43	09:14

2010-009 CZ-4C Jiuquan Space Centre, China						2010 Mar 5, 04:55
Yaogan 9 2010-009A 36413					in space
Remote sensing satellite described as undertaking land resources surveys and crop yield estimation. However, its purpose may be ocean surveillance similar to the US NOSS triplet formations that orbited at a similar altitude and inclination.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2010 Mar 5, 15:04	7469	0.0010	1083	1099	107.06	63.41	321
2013 Sep 2, 05:50	7469	0.0122	999	1182	107.06	63.41	359
2014 Aug 9, 13:25	7468	0.0153	976	1204	107.06	63.41	1

Yaogan 9 subsatellite 1 2010-009B 36414					in space
One of two further payloads forming the Yaogan 9 mission, and flying in formation with it. May be similar to the US NOSS triplet formations that orbited at a similar altitude and inclination.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2010 Mar 5, 23:59	7470	0.0010	1085	1099	107.09	63.41	317
2010 Mar 11, 09:45	7439	0.0011	1053	1069	106.42	63.41	322
2010 Apr 5, 18:43	7469	0.0013	1081	1100	107.06	63.41	328
2013 Sep 2, 04:03	7469	0.0122	999	1182	107.06	63.41	359
2014 Aug 9, 13:25	7468	0.0153	976	1205	107.06	63.41	0

Yaogan 9 subsatellite 2 2010-009C 36415					in space
One of two further payloads forming the Yaogan 9 mission, and flying in formation with it. May be similar to the US NOSS triplet formations that orbited at a similar altitude and inclination.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2010 Mar 6, 03:34	7471	0.0010	1086	1100	107.11	63.41	307
2010 Mar 12, 16:35	7469	0.0011	1082	1099	107.06	63.41	326
2013 Aug 31, 21:44	7469	0.0123	998	1183	107.06	63.41	359
2014 Aug 10, 05:28	7468	0.0154	975	1205	107.06	63.41	1

2010-038 CZ-4C Taiyuan Space Centre, China						2010 Aug 9, 22:49
Yaogan 10 2010-038A 36834					in space
Imaging satellite (possibly carrying a synthetic aperture radar) for natural resources surveys and, possibly, intelligence gathering. Specific tasks include land survey, crop yield assessment, and input to disaster monitoring and prevention plans.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2010 Aug 10, 03:07	6993	0.0011	607	622	96.99	97.82	57	05:59
2010 Aug 23, 17:58	7007	0.0001	628	629	97.28	97.83	92	05:59
2012 Apr 8, 12:38	7005	0.0002	626	628	97.25	97.83	91	05:35
2012 May 9, 22:46	7005	0.0002	626	628	97.25	97.83	65	05:34
2013 Jul 16, 08:39	7004	0.0002	624	627	97.22	97.85	68	05:22

2010-047 CZ-2D Jiuquan Space Centre, China						2010 Sep 22, 02:42
Yaogan 11 2010-047A 37165					in space
Imaging satellite for natural resources surveys and, possibly, intelligence gathering. Specific tasks include land survey, crop yield assessment, and input to disaster monitoring and prevention plans.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2010 Sep 22, 15:09	7019	0.0023	624	657	97.53	98.00	296	08:59
2012 May 9, 23:11	7025	0.0031	625	669	97.67	97.91	168	08:52
2013 Jul 15, 04:34	7025	0.0030	626	668	97.67	97.85	221	08:30
2013 Oct 29, 12:50	7025	0.0029	626	667	97.67	97.84	240	08:23
2016 May 16, 02:06	7018	0.0038	613	667	97.52	98.39	128	08:20

2011-066 CZ-4B Taiyuan Space Centre, China						2011 Nov 9, 03:21
Yaogan 12 2011-066B 37875					in space
Imaging satellite for natural resources surveys including crop yields, and help with natural disaster-reduction and prevention. Some of the data collected may amount to intelligence gathering. Sun synchronous orbit.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2011 Nov 9, 10:43	6866	0.0005	484	491	94.36	97.41	276	10:29
2011 Nov 17, 22:20	6872	0.0006	489	498	94.48	97.41	238	10:29
2012 May 9, 23:09	6869	0.0007	486	496	94.42	97.39	19	10:31
2013 Jul 15, 21:15	6862	0.0003	482	487	94.29	97.35	292	10:31
2013 Oct 29, 12:19	6868	0.0009	483	496	94.40	97.34	313	10:29

2011-072 CZ-2C Taiyuan Space Centre, China						2011 Nov 29, 18:50
Yaogan 13 2011-072A 37941					in space
Imaging satellite for natural resources surveys and, possibly, intelligence gathering. Specific tasks include land survey, crop yield assessment, and input to disaster monitoring and prevention plans. Precise launch time: 18:50:04 UTC.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2011 Dec 1, 10:26	6886	0.0005	505	511	94.78	97.11	272	01:56
2012 Apr 8, 12:37	6882	0.0006	499	508	94.69	97.12	164	01:34
2012 May 9, 23:11	6881	0.0008	497	508	94.67	97.12	73	01:29
2013 Jul 16, 05:26	6884	0.0003	504	508	94.74	97.37	97	00:51
2013 Oct 29, 04:00	6885	0.0001	506	507	94.75	97.38	115	00:48

2012-021 CZ-4B Taiyuan Space Centre, China						2012 May 10, 07:06
Yaogan 14 2012-021A 38257					in space
Imaging satellite for natural resources surveys and, possibly, intelligence gathering. Specific tasks include land survey, crop yield assessment, and input to disaster monitoring and prevention plans. Precise launch time: 07:06:04 UTC.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2012 May 10, 08:32	6850	0.0003	470	474	94.04	97.24	232	14:14
2012 May 15, 20:36	6854	0.0005	473	479	94.12	97.24	198	14:14
2013 Jul 15, 21:23	6853	0.0009	468	481	94.09	97.29	66	14:02
2013 Oct 29, 13:28	6852	0.0010	467	480	94.08	97.30	82	14:00

2012-029 CZ-4C Taiyuan Space Centre, China						2012 May 29, 07:31
Yaogan 15 2012-029A 38354					in space
Remote sensing. Xinhua gave the objectives as "mainly used for scientific experiments, land resources survey, crop yield estimation of production and disaster prevention and mitigation". Precise launch time 07:31:04 UTC. Orbit is similar to Yaogan 8, 2009-72A/36121.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2012 May 29, 16:03	7582	0.0003	1202	1206	109.51	100.13	269	14:30
2013 Jul 16, 10:01	7582	0.0004	1201	1207	109.51	100.18	49	13:44
2013 Oct 29, 08:02	7582	0.0004	1201	1207	109.50	100.19	151	13:34
2013 Nov 20, 02:15	7582	0.0004	1201	1207	109.50	100.20	108	13:32

2012-066 CZ-4C Jiuquan Space Centre, China						2012 Nov 25, 04:06
Yaogan 16 2012-066A 39011					in space
Remote sensing satellite described as undertaking land resources surveys and crop yield estimation. However, its purpose may be ocean surveillance similar to the US NOSS triplet formations that orbited at a similar altitude and inclination. The ground track lies 75° to the west of Yaogan 9 (2010-009A/36413) so it surveys a similar area about five hours later. Precise launch time - 04:06:04.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2012 Nov 25, 05:51	7473	0.0013	1085	1105	107.15	63.39	10
2013 Sep 1, 11:31	7469	0.0026	1071	1110	107.06	63.38	353
2014 Aug 9, 18:14	7468	0.0056	1048	1132	107.05	63.38	358

Yaogan 16 subsatellite 1 2012-066B 39012					in space
One of two further payloads forming the Yaogan 16 mission, and flying in formation with it. May be similar to the US NOSS triplet formations that orbited at a similar altitude and inclination.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2012 Nov 25, 09:27	7472	0.0014	1084	1104	107.14	63.38	13
2013 Sep 1, 11:31	7469	0.0025	1071	1109	107.06	63.38	352
2014 Aug 9, 18:14	7468	0.0056	1048	1132	107.05	63.38	358

Yaogan 16 subsatellite 2 2012-066C 39013					in space
One of two further payloads forming the Yaogan 16 mission, and flying in formation with it. May be similar to the US NOSS triplet formations that orbited at a similar altitude and inclination.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2012 Nov 25, 09:27	7472	0.0015	1083	1105	107.13	63.38	15
2013 Sep 2, 01:47	7469	0.0026	1071	1109	107.06	63.38	352
2014 Aug 10, 03:09	7468	0.0056	1049	1132	107.05	63.38	358

2013-046 CZ-4C Jiuquan Space Centre, China						2013 Sep 1, 19:16
Yaogan 17 2013-046A 39239					in space
Remote sensing satellite described as undertaking land resources surveys and crop yield estimation. However, its purpose may be ocean surveillance similar to the US NOSS triplet formations that orbited at a similar altitude and inclination. The ground track lies 75° to the east of Yaogan 9 (2010-009A/36413) so it surveys a similar area about five hours earlier. Precise launch time - 04:06:04.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2013 Sep 2, 05:47	7472	0.0023	1076	1111	107.12	63.41	36
2014 Aug 10, 00:38	7468	0.0038	1062	1119	107.05	63.41	6

Yaogan 17 subsatellite 1 2013-046B 39240					in space
One of two further payloads forming the Yaogan 17 mission, and flying in formation with it. May be similar to the US NOSS triplet formations that orbited at a similar altitude and inclination.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2013 Sep 2, 05:52	7472	0.0023	1077	1111	107.13	63.42	38
2014 Aug 10, 02:25	7468	0.0038	1062	1119	107.05	63.41	6

Yaogan 17 subsatellite 2 2013-046C 39241					in space
One of two further payloads forming the Yaogan 17 mission, and flying in formation with it. May be similar to the US NOSS triplet formations that orbited at a similar altitude and inclination.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2013 Sep 2, 05:52	7473	0.0021	1080	1111	107.16	63.42	38
2014 Aug 10, 00:38	7468	0.0039	1061	1119	107.05	63.41	5

2013-059 CZ-2C Taiyuan Space Centre, China						2013 Oct 29, 02:50
Yaogan 18 2013-059A 39363					in space
Mission described the satellite as being "...used to conduct scientific experiments, carry out land surveys, monitor crop yields and aid in preventing and reducing natural disasters". The orbit altitude and Descending Node time are similar to the initial values for Yaogan 6 (2009-021A/34839) suggesting the new satellite may be a replacement for it, or supplementary to it.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2013 Oct 29, 11:46	6880	0.0013	492	511	94.65	97.55	265	09:56
2013 Oct 30, 05:17	6882	0.0012	496	512	94.70	97.56	245	09:56
2013 Oct 30, 16:43	6890	0.0001	511	512	94.86	97.55	254	09:56

2013-065 CZ-4C Taiyuan Space Centre, China						2013 Nov 20, 03:31
Yaogan 19 2013-065A 39410					in space
Described as being used for remote sensing but mission is probably military or government photo-reconnaissance.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2013 Nov 20, 17:32	7582	0.0004	1201	1207	109.51	100.48	163	10:29

2014-047 CZ-4C Jiuquan Space Centre, China						2014 Aug 9, 05:45
Yaogan 20 2014-047A 40109					in space
Remote sensing satellite described as undertaking land resources surveys and crop yield estimation. However, its purpose may be ocean surveillance similar to the US NOSS triplet formations that orbited at a similar altitude and inclination. Placed in the same orbit plane as the Yaogan 9 cluster launched 2010 March.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2014 Aug 10, 02:36	7473	0.0012	1086	1104	107.16	63.40	39
2014 Aug 15, 05:40	7438	0.0008	1055	1066	106.41	63.39	354
2014 Sep 4, 04:18	7444	0.0006	1062	1070	106.53	63.41	54
2014 Sep 5, 03:24	7450	0.0007	1066	1077	106.66	63.40	320
2014 Sep 10, 11:43	7468	0.0007	1085	1095	107.05	63.40	8

Yaogan 20 subsatellite 2014-047B 40110					in space
One of two further payloads forming the Yaogan 20 mission, and flying in formation with it. May be similar to the US NOSS triplet formations that orbited at a similar altitude and inclination.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2014 Aug 10, 02:36	7473	0.0011	1087	1103	107.16	63.40	38
2014 Aug 18, 10:36	7468	0.0004	1087	1093	107.05	63.40	19

Yaogan 20 subsatellite 2014-047C 40111					in space
One of two further payloads forming the Yaogan 20 mission, and flying in formation with it. May be similar to the US NOSS triplet formations that orbited at a similar altitude and inclination.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2014 Aug 10, 02:36	7473	0.0012	1086	1104	107.15	63.40	41
2014 Aug 20, 21:29	7468	0.0005	1087	1094	107.05	63.40	14

2014-053 CZ-4B Taiyuan Space Centre, China						2014 Sep 8, 03:22
Yaogan 21 2014-053A 40143					in space
Described as being used for remote sensing but mission is probably military or government photo-reconnaissance. Replacement for Yaogan 12.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2014 Sep 8, 12:50	6865	0.0010	480	494	94.35	97.42	260	10:30

2014-063 CZ-4C Taiyuan Space Centre, China						2014 Oct 20, 06:31
Yaogan 22 2014-063A 40275					in space
Described as being used for remote sensing for natural resources surveys. Specific tasks include land survey, crop yield assessment, and input to disaster monitoring and prevention plans. Mission is probably military or government photo-reconnaissance.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2014 Oct 20, 07:44	7581	0.0008	1196	1209	109.48	100.32	127	13:29

2014-071 CZ-2C Taiyuan Space Centre, China						2014 Nov 14, 18:53
Yaogan 23 2014-071A 40305					in space
Described as being used for remote sensing for natural resources surveys. Specific tasks include land survey, crop yield assessment, and input to disaster monitoring and prevention plans. Mission is probably military or government photo-reconnaissance.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2014 Nov 15, 02:47	6881	0.0015	492	513	94.67	97.33	241	02:00
2014 Nov 16, 08:57	6882	0.0011	496	512	94.70	97.33	240	02:00
2014 Nov 17, 13:17	6891	0.0001	513	514	94.89	97.33	122	01:59

2014-072 CZ-2D Jiuquan Space Centre, China						2014 Nov 20, 07:12
Yaogan 24 2014-072A 40310					in space
Described as being used for remote sensing for natural resources surveys. Specific tasks include land survey, crop yield assessment, and input to disaster monitoring and prevention plans. Mission is probably military or government photo-reconnaissance.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2014 Nov 20, 09:54	7020	0.0017	630	653	97.55	97.91	208	13:30

2014-080 CZ-4C Jiuquan Space Centre, China						2014 Dec 10, 19:33
Yaogan 25 2014-080A 40338					in space
Remote sensing satellite described as undertaking land resources surveys and crop yield estimation. However, its purpose may be ocean surveillance similar to the US NOSS triplet formations that orbited at a similar altitude and inclination. Placed in the same orbit plane as the Yaogan 16 cluster launched 2014 Dec.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2014 Dec 11, 03:54	7471	0.0005	1089	1097	107.12	63.41	2

Yaogan 25 subsatellite 1 2014-080B 40339					in space
One of two further payloads forming the Yaogan 25 mission, and flying in formation with it. May be similar to the US NOSS triplet formations that orbited at a similar altitude and inclination.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2014 Dec 11, 03:54	7472	0.0004	1091	1097	107.14	63.41	358
2014 Dec 15, 13:10	7462	0.0010	1077	1092	106.93	63.41	232

Yaogan 25 subsatellite 2 2014-080C 40340					in space
One of two further payloads forming the Yaogan 25 mission, and flying in formation with it. May be similar to the US NOSS triplet formations that orbited at a similar altitude and inclination.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2014 Dec 11, 03:54	7472	0.0005	1091	1098	107.14	63.41	349
2014 Dec 12, 15:53	7480	0.0014	1092	1113	107.31	63.40	36
2014 Dec 14, 11:16	7491	0.0004	1110	1116	107.54	63.42	39
2015 Jan 1, 01:34	7491	0.0007	1108	1118	107.54	63.41	33
2015 Jan 11, 01:27	7468	0.0013	1081	1100	107.05	63.41	231

2014-088 CZ-4B Taiyuan Space Centre, China						2014 Dec 27, 03:22
Yaogan 26 2014-088A 40362					in space
Described as being used for remote sensing for natural resources surveys. Specific tasks include land survey, crop yield assessment, and input to disaster monitoring and prevention plans. Mission is probably military or government photo-reconnaissance.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2014 Dec 27, 12:47	6865	0.0007	482	491	94.34	97.44	241	10:29
2015 Jan 3, 03:26	6867	0.0003	487	491	94.39	97.44	211	10:29

2015-040 CZ-4C Taiyuan Space Centre, China						2015 Aug 27, 02:31
Yaogan 27 2015-040A 40878					in space
Described as being used for remote sensing for natural resources surveys. Specific tasks include land survey, crop yield assessment, and input to disaster monitoring and prevention plans. Mission is probably military or government photo-reconnaissance.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2015 Aug 27, 22:00	7578	0.0008	1195	1206	109.43	100.50	273	09:29

2015-064 CZ-4B Taiyuan Space Centre, China						2015 Nov 8, 07:06
Yaogan 28 2015-064A 41026					in space
Described as being used for remote sensing for natural resources surveys. Specific tasks include land survey, crop yield assessment, and input to disaster monitoring and prevention plans. Mission is probably military or government photo-reconnaissance.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2015 Nov 8, 11:28	6849	0.0017	460	482	94.02	97.24	255	14:14

2015-069 CZ-4C Taiyuan Space Centre, China						2015 Nov 26, 21:24
Yaogan 29 2015-069A 41038					in space
Described as being used for remote sensing for natural resources surveys. Specific tasks include land survey, crop yield assessment, and input to disaster monitoring and prevention plans. Mission is probably military or government photo-reconnaissance, possibly carrying a synthetic aperture radar.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2015 Nov 27, 03:19	6995	0.0003	615	619	97.04	97.84	33	04:30
2015 Nov 28, 10:51	7006	0.0002	626	629	97.27	97.84	159	04:30
2015 Nov 29, 15:17	7007	0.0001	628	629	97.28	97.84	121	04:30

2016-029 CZ-2D Jiuquan Space Centre, China						2016 May 15, 02:43
Yaogan 30 2016-029A 41473					in space
Imaging satellite for natural resources surveys and, possibly, intelligence gathering. Specific tasks include land survey, crop yield assessment, and input to disaster monitoring and prevention plans. The launch vehicle upper stage was not catalogued as it was caused to re-enter after releasing the satellite.
epoch (UTC)	s-m axis ( km )	ecc	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	desc node local time
2016 May 15, 09:01	7020	0.0020	628	656	97.57	98.07	232	09:00

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