Zarya - Soviet, Russian and International Spaceflight
carousel image
 
Orbits


Tyneside, UK
2020 Oct 24
Saturday, Day 298

Maintained by:






Lists Available:












Other orbits:





Primary source of unclassified orbital elements

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

This a list of satellites in sun-synchronous orbit operated by the USA ordered by LTDN - Local Time at the Descending Node. 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.


LTDN Satellite Cat
no
Desig- nation Orbit
Epoch
Orbit
00:49ESSA 220911966-016A2020 Oct 231354 x 1415 km, 113.4 min, 101°.2
00:57Amsat Echo (AO-51)283752004-025K2020 Oct 23693 x 810 km, 99.9 min, 98°.4
01:24NOAA 20 (JPSS 1)430132017-073A2020 Oct 23826 x 828 km, 101.4 min, 98°.7
01:25Suomi NPP (Suomi National Polar-orbiting Partnership)378492011-061A2020 Oct 23826 x 827 km, 101.4 min, 98°.7
01:32WestPac253981998-043E2020 Oct 23814 x 817 km, 101.2 min, 98°.7
01:35Aqua (EOS PM-1)274242002-022A2020 Oct 23702 x 703 km, 98.8 min, 98°.2
01:35OCO 2 (Orbiting Carbon Observatory)400592014-035A2020 Oct 23702 x 703 km, 98.8 min, 98°.2
01:44Aura (EOS Chem-1)283762004-026A2020 Oct 23702 x 703 km, 98.8 min, 98°.2
01:45Fedsat275982002-056B2020 Oct 23790 x 802 km, 100.8 min, 98°.6
01:55NOAA 17 (NOAA M)274532002-032A2020 Oct 23800 x 816 km, 101.0 min, 98°.6
02:07Calipso (Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations)291082006-016B2020 Oct 23684 x 686 km, 98.5 min, 98°.2
02:08Cloudsat291072006-016A2020 Oct 23685 x 687 km, 98.5 min, 98°.2
02:32Oscar 8 (AO-8)107031978-026B2020 Oct 23892 x 900 km, 102.9 min, 99°.1
03:23NOAA 5 (ITOS H)90571976-077A2020 Oct 231508 x 1524 km, 116.3 min, 102°.0
03:36NOAA 4 (ITOS G)75291974-089A2020 Oct 231444 x 1458 km, 114.9 min, 101°.8
03:36Oscar 7 (AO-7)75301974-089B2020 Oct 231440 x 1459 km, 114.9 min, 101°.8
03:38NOAA 2 (ITOS D)62351972-082A2020 Oct 231448 x 1455 km, 114.9 min, 101°.9
04:15USA 172 (DMSP 5D-3 F-16)280542003-048A2020 Oct 23842 x 852 km, 101.9 min, 98°.9
04:35NOAA 8 (NOAA E)139231983-022A2020 Oct 23785 x 807 km, 100.8 min, 98°.6
04:53NOAA 10 (NOAA G)169691986-073A2020 Oct 23790 x 806 km, 100.8 min, 98°.5
05:43USA 109 (DMSP 5D-2 F-13)235331995-015A2020 Oct 23835 x 843 km, 101.7 min, 98°.8
05:59SMAP (Soil Moisture Active Passive)403762015-003A2020 Oct 23681 x 683 km, 98.4 min, 98°.1
06:05NOAA 12 (NOAA D)212631991-032A2020 Oct 23796 x 814 km, 101.0 min, 98°.5
06:08QuakeSat278452003-031F2020 Oct 23810 x 825 km, 101.2 min, 98°.7
06:10Coriolis276402003-001A2020 Oct 23818 x 839 km, 101.5 min, 98°.7
06:12USA 249 (DMSP 5D-3 F-19)396302014-015A2020 Oct 23839 x 853 km, 101.8 min, 98°.8
06:25COBE203221989-089A2020 Oct 23870 x 884 km, 102.5 min, 98°.9
06:38USA 191 (DMSP 5D-3 F-17)295222006-050A2020 Oct 23838 x 853 km, 101.8 min, 98°.8
06:53USA 73 (DMSP 5D-2 F-11)217981991-082A2020 Oct 23827 x 847 km, 101.7 min, 98°.9
07:17NOAA 15 (NOAA K)253381998-030A2020 Oct 23798 x 812 km, 101.0 min, 98°.7
07:58WISE (Wide Field IR Explorer)361192009-071A2020 Oct 23474 x 476 km, 94.1 min, 97°.3
08:04USA 186 (KH- 11 Block-4 F1?/Crystal)288882005-042A2020 Oct 12261 x 425 km, 91.4 min, 96°.9
09:02ESSA 937641969-016A2020 Oct 231425 x 1505 km, 115.2 min, 101°.6
09:14Global-1 (Pathfinder 1)417872016-059E2020 Oct 23660 x 702 km, 98.4 min, 98°.0
09:23TIROS-N110601978-096A2020 Oct 23823 x 840 km, 101.5 min, 98°.7
09:29CEPE (Cylindrical Electrostatic Probe Experiment)47941970-106B2020 Oct 231422 x 1480 km, 114.9 min, 101°.6
09:31Oscar 5 (Australis Oscar 5)43211970-008B2020 Oct 231434 x 1477 km, 115.0 min, 101°.6
09:35Landsat 7256821999-020A2020 Oct 23701 x 703 km, 98.8 min, 98°.1
09:39USA 245 (KH-11 Block-4 F3?/Crystal)392322013-043A2020 Sep 14268 x 1012 km, 97.5 min, 97°.9
10:04NOAA 1 (ITOS A)47931970-106A2020 Oct 231423 x 1473 km, 114.8 min, 101°.6
10:04NOAA 16 (NOAA L)265362000-055A2020 Oct 23840 x 857 km, 101.9 min, 98°.7
10:05ITOS 143201970-008A2020 Oct 231434 x 1478 km, 115.0 min, 101°.7
10:09Skysat 7 (Skysat C5)417722016-058C2020 Oct 23492 x 495 km, 94.5 min, 97°.3
10:11Skysat 6 (Skysat C4)417712016-058B2020 Oct 23451 x 453 km, 93.6 min, 97°.2
10:12Landsat 8 (Landsat Data Continuity Mission)390842013-008A2020 Oct 23702 x 703 km, 98.8 min, 98°.2
10:12Skysat 4 (Skysat C2)417732016-058D2020 Oct 23451 x 453 km, 93.6 min, 97°.2
10:12Skysat 5 (Skysat C3)417742016-058E2020 Oct 23451 x 453 km, 93.6 min, 97°.2
10:15SkySat 15 (Skysat C13)438022018-099AW2020 Oct 23464 x 468 km, 93.9 min, 97°.2
10:15Skysat 14 (Skysat C12)437972018-099AR2020 Oct 23451 x 453 km, 93.6 min, 97°.2
10:18Global-2438122018-099BG2020 Oct 23570 x 591 km, 96.3 min, 97°.7
10:21STPSat-5437622018-099E2020 Oct 23568 x 590 km, 96.3 min, 97°.7
10:25WorldView 2359462009-055A2020 Oct 23765 x 767 km, 100.2 min, 98°.5
10:29Athena462752020-061D2020 Oct 23516 x 520 km, 95.0 min, 97°.5
10:29Geoeye 1333312008-042A2020 Oct 23673 x 686 km, 98.3 min, 98°.1
10:29ION mk01 SCV LUCAS (In Orbit Now Satellite Carrier Vehicle)462742020-061C2020 Oct 23515 x 526 km, 95.0 min, 97°.5
10:30Terra (EOS AM-1)259941999-068A2020 Oct 23701 x 704 km, 98.8 min, 98°.2
10:31Worldview 3401152014-048A2020 Oct 23613 x 614 km, 97.0 min, 97°.8
10:42LKW-2 (Land Survey Satellite 2)430802017-084A2020 Oct 23491 x 500 km, 94.5 min, 97°.4
10:43Skysat 3 (Skysat C1)416012016-040C2020 Oct 23448 x 455 km, 93.6 min, 97°.2
10:47Skysat 1394182013-066C2020 Oct 23554 x 586 km, 96.1 min, 97°.6
12:02USA 205 (STSS-ATRR)349032009-023A2020 Sep 18869 x 875 km, 102.4 min, 98°.9
12:56USA 224 (KH- 11 Block-4 F2?/Crystal)373482011-002A2020 Sep 25260 x 1018 km, 97.5 min, 97°.9
13:08Skysat 11 (Skysat C9)429892017-068C2020 Oct 23449 x 452 km, 93.6 min, 97°.2
13:09Skysat 12 (Skysat C10)429882017-068B2020 Oct 23448 x 453 km, 93.6 min, 97°.2
13:10Skysat 13 (Skysat C11)429872017-068A2020 Oct 23444 x 456 km, 93.6 min, 97°.2
13:11OrbView-2248831997-037A2020 Oct 23777 x 782 km, 100.4 min, 98°.6
13:11Skysat 10 (Skysat C8)429902017-068D2020 Oct 23449 x 452 km, 93.6 min, 97°.2
13:11Skysat 9 (Skysat C7)429912017-068E2020 Oct 23449 x 451 km, 93.6 min, 97°.2
13:12Skysat 8 (Skysat C6)429922017-068F2020 Oct 23450 x 451 km, 93.6 min, 97°.2
13:31WorldView 1320602007-041A2020 Oct 23492 x 493 km, 94.5 min, 97°.4
13:43ACRIMSat (Active Cavity Radiometer Irradiance Monitor Satellite)260331999-070B2020 Oct 23665 x 706 km, 98.5 min, 98°.1
13:47TIROS 1014301965-051A2020 Oct 23717 x 798 km, 100.0 min, 98°.3
13:56TOMS-EP239401996-037A2020 Oct 23687 x 729 km, 98.9 min, 98°.3
17:41IRAS137771983-004A2020 Oct 23879 x 905 km, 102.8 min, 99°.0
17:43IRIS (Interface Region Imaging Spectrometer)391972013-033A2020 Oct 23614 x 653 km, 97.4 min, 98°.0
17:54GNOMES 1 (GNSS Navigation and Occultation Measurement Satellites)462662020-059B2020 Oct 23601 x 608 km, 96.8 min, 97°.9
17:55DMSP 5D-2 F-6 (Defense Meteorological Satellite Program)137361982-118A2020 Oct 23789 x 799 km, 100.7 min, 98°.6
18:02USA 26 (DMSP 5D-2 F-8)181231987-053A2020 Oct 23821 x 839 km, 101.5 min, 98°.7
18:10TRACE252801998-020A2020 Oct 23509 x 542 km, 95.1 min, 97°.5
18:28AMS 3 (DMSP 5D-1 F-3)108201978-042A2020 Oct 23767 x 781 km, 100.3 min, 98°.5
18:36DMSP 5C F-2 (Defense Meteorological Satellite Program)78161975-043A2020 Oct 23774 x 851 km, 101.1 min, 98°.8
18:40DMSP 5B F-3 (Defense Meteorological Satellite Program)62751972-089A2020 Oct 23774 x 824 km, 100.8 min, 98°.5
18:55DMSP 5C F-1 (Defense Meteorological Satellite Program)74111974-063A2020 Oct 23769 x 828 km, 100.8 min, 98°.7
20:17USA 216 (SBSS)371682010-048A2020 Oct 23624 x 625 km, 97.2 min, 97°.9
20:19DMSP 5A F-3 (Defense Meteorological Satellite Program)40471969-062A2020 Oct 23764 x 828 km, 100.8 min, 98°.7
20:25DMSP 5A F-1 (Defense Meteorological Satellite Program)32661968-042A2020 Oct 23802 x 880 km, 101.7 min, 98°.8
20:36DMSP 4A F-9 (Defense Meteorological Satellite Program)29201967-080A2020 Oct 23815 x 871 km, 101.8 min, 98°.9
22:50Nimbus 6 (Nimbus F)79241975-052A2020 Oct 231101 x 1113 km, 107.4 min, 100°.1
23:10SECOR 13 (EGRS 13)38911969-037B2020 Oct 231070 x 1128 km, 107.2 min, 99°.9
23:19TOPO 143631970-025B2020 Oct 231083 x 1087 km, 106.9 min, 99°.9
23:20Nimbus 3 (Nimbus B2)38901969-037A2020 Oct 231071 x 1129 km, 107.3 min, 99°.9
23:23Nimbus 5 (Nimbus E)63051972-097A2020 Oct 231087 x 1100 km, 107.1 min, 99°.9
23:42Nimbus 4 (Nimbus D)43621970-025A2020 Oct 231087 x 1098 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 observing, and particularly to Mike McCants for archiving the derived orbits.

Classified - updated: 2020 Oct 23
SpaceTrack - updated: 2020 Oct 24

Copyright © Robert Christy, all rights reserved
Reproduction of this web page or any of its content without permission from zarya.info is prohibited