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Orbits


Tyneside, UK
2022 Jan 25
Tuesday, Day 25

Maintained by:






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Primary source of unclassified orbital elements

Orbital elements based on amateur observations
Sun-synchronous Satellites - Meteorology by LTDN

This a list of satellites in sun-synchronous orbit shown in the order they lie around the Earth. Names are not necessarily those by which they are known in the NORAD catalogue used by SpaceTrack.

It is a snapshot and is updated daily. The measure that results in an entry in this table is that the drift rate of LTDN (Local Time at the Descending Node) is no more than twenty four minutes each year. Some satellites may have higher drift rates but they may still be acceptable to their owners/operators. They do not appear here. On the converse, although a satellite is in a sun-synchronous orbit, it is not necessarily active.

Cubesats less than 6U in size are excluded from the list because the vast majority reached space by hitch hiking and their final orbit was not important. Listing them would create an unnecessarily long page.

The menu on the left leads to some, hopefully useful, sub-lists of the satellites on this page.


LTDN Satellite Cat
no
Desig- nation Orbit
Epoch
Orbit
00:29ESSA 220911966-016A2022 Jan 241355 x 1414 km, 113.4 min, 101°.2
01:24NOAA 20 (JPSS 1)430132017-073A2022 Jan 24826 x 828 km, 101.4 min, 98°.7
01:44Fengyun 3D430102017-072A2022 Jan 24827 x 829 km, 101.5 min, 98°.8
01:51NOAA 17 (NOAA M)274532002-032A2022 Jan 24800 x 816 km, 101.0 min, 98°.7
02:35ESSA 836151968-114A2022 Jan 241414 x 1463 km, 114.6 min, 101°.5
02:51Meteor M2-2443872019-038A2022 Jan 24812 x 814 km, 101.1 min, 98°.7
03:21NOAA 5 (ITOS H)90571976-077A2022 Jan 241508 x 1524 km, 116.3 min, 102°.1
04:15USA 210 (DMSP 5D-3 F-18)359512009-057A2022 Jan 24839 x 856 km, 101.9 min, 98°.7
04:38NOAA 10 (NOAA G)169691986-073A2022 Jan 24789 x 807 km, 100.8 min, 98°.6
04:47NOAA 8 (NOAA E)139231983-022A2022 Jan 24786 x 806 km, 100.8 min, 98°.7
05:38NOAA 12 (NOAA D)212631991-032A2022 Jan 24795 x 816 km, 101.0 min, 98°.5
05:39Fengyun 3E490082021-062A2022 Jan 24824 x 828 km, 101.4 min, 98°.7
05:52USA 109 (DMSP 5D-2 F-13)235331995-015A2022 Jan 24833 x 845 km, 101.7 min, 98°.8
06:00USA 249 (DMSP 5D-3 F-19)396302014-015A2022 Jan 24837 x 854 km, 101.8 min, 98°.7
06:33USA 191 (DMSP 5D-3 F-17)295222006-050A2022 Jan 24839 x 852 km, 101.8 min, 98°.8
07:15USA 73 (DMSP 5D-2 F-11)217981991-082A2022 Jan 24827 x 846 km, 101.6 min, 98°.9
07:28NOAA 15 (NOAA K)253381998-030A2022 Jan 24797 x 812 km, 101.0 min, 98°.7
08:47USA 106 (DMSP 5D-2 S-12)232331994-057A2022 Jan 24832 x 848 km, 101.7 min, 98°.9
09:12TIROS-N110601978-096A2022 Jan 24823 x 839 km, 101.5 min, 98°.7
09:30MetOp-B387712012-049A2022 Jan 24819 x 822 km, 101.3 min, 98°.7
09:31MetOp-C436892018-087A2022 Jan 24817 x 823 km, 101.3 min, 98°.7
09:52NOAA 1 (ITOS A)47931970-106A2022 Jan 241423 x 1472 km, 114.8 min, 101°.6
13:26TIROS 1014301965-051A2022 Jan 24718 x 797 km, 100.0 min, 98°.4
15:09Meteor 3M-1 (Meteor-3M 17Ф45 № 101)270012001-056A2022 Jan 24994 x 1014 km, 105.2 min, 99°.7
17:54DMSP 5D-2 F-6 (Defense Meteorological Satellite Program)137361982-118A2022 Jan 24788 x 799 km, 100.7 min, 98°.6
17:59USA 26 (DMSP 5D-2 F-8)181231987-053A2022 Jan 24820 x 839 km, 101.5 min, 98°.7
18:33AMS 3 (DMSP 5D-1 F-3)108201978-042A2022 Jan 24766 x 781 km, 100.3 min, 98°.5
18:57DMSP 5C F-2 (Defense Meteorological Satellite Program)78161975-043A2022 Jan 24774 x 851 km, 101.1 min, 98°.7
19:08DMSP 5C F-1 (Defense Meteorological Satellite Program)74111974-063A2022 Jan 24768 x 829 km, 100.8 min, 98°.7
20:14DMSP 5A F-1 (Defense Meteorological Satellite Program)32661968-042A2022 Jan 24804 x 879 km, 101.7 min, 98°.7
20:36DMSP 5A F-3 (Defense Meteorological Satellite Program)40471969-062A2022 Jan 24765 x 827 km, 100.8 min, 98°.6
20:44DMSP 4A F-9 (Defense Meteorological Satellite Program)29201967-080A2022 Jan 24816 x 870 km, 101.8 min, 98°.8
23:08Nimbus 3 (Nimbus B2)38901969-037A2022 Jan 241071 x 1129 km, 107.3 min, 99°.9
23:09Nimbus 6 (Nimbus F)79241975-052A2022 Jan 241100 x 1113 km, 107.4 min, 100°.1
23:23Nimbus 5 (Nimbus E)63051972-097A2022 Jan 241087 x 1101 km, 107.1 min, 99°.9
23:50Nimbus 4 (Nimbus D)43621970-025A2022 Jan 241087 x 1097 km, 107.1 min, 100°.0

For the satellites that do not have formal published elements, thanks go to the radio and visual amateur satellite trackers for their observing, and particularly to Mike McCants for archiving the derived orbits.

Updated: 2022 Jan 25, 02:47 UTC

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