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Orbital elements based on amateur observations | Sun-synchronous Satellites - India
This a list of satellites in sun-synchronous orbit operated by India 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 |
03:16 | IMS 1 (Indian Mini Satellite) | 32786 | 2008-021D | 2022 Aug 13 | 600 x 618 km, 96.9 min, 97°.7 | 06:01 | EOS 04 (Earth Observation Satellite 4) | 51656 | 2022-013A | 2022 Aug 13 | 527 x 529 km, 95.2 min, 97°.5 | 06:05 | Ispiresat 1 | 51657 | 2022-013B | 2022 Aug 13 | 516 x 531 km, 95.1 min, 97°.6 | 06:05 | INS 2D | 51658 | 2022-013C | 2022 Aug 13 | 514 x 528 km, 95.0 min, 97°.6 | 06:17 | RISat 1 (Radar Imaging Satellite) | 38248 | 2012-017A | 2022 Aug 13 | 525 x 533 km, 95.2 min, 97°.6 | 08:27 | ScatSat 1 (Scatterometer Satellite 1) | 41790 | 2016-059H | 2022 Aug 13 | 718 x 727 km, 99.2 min, 98°.3 | 09:29 | INS 1A (Indian NanoSatellite 1A) | 41949 | 2017-008B | 2022 Aug 13 | 462 x 473 km, 93.9 min, 97°.3 | 09:29 | INS 1B (Indian NanoSatellite 1B) | 41954 | 2017-008G | 2022 Aug 13 | 462 x 473 km, 94.0 min, 97°.3 | 09:30 | Cartosat 2C | 41599 | 2016-040A | 2022 Aug 13 | 499 x 517 km, 94.8 min, 97°.5 | 09:30 | Cartosat 2D | 41948 | 2017-008A | 2022 Aug 13 | 503 x 513 km, 94.8 min, 97°.5 | 09:31 | EMISat (Electromagnetic Intelligence-gathering Satellite) | 44078 | 2019-018A | 2022 Aug 13 | 733 x 760 km, 99.7 min, 98°.4 | 09:32 | Cartosat 2A | 32783 | 2008-021A | 2022 Aug 13 | 625 x 642 km, 97.4 min, 98°.0 | 09:32 | Cartosat 2F | 43111 | 2018-004A | 2022 Aug 13 | 505 x 511 km, 94.8 min, 97°.4 | 09:33 | Cartosat 2B | 36795 | 2010-035A | 2022 Aug 13 | 623 x 644 km, 97.4 min, 98°.0 | 09:33 | Cartosat 2E | 42767 | 2017-036C | 2022 Aug 13 | 502 x 513 km, 94.8 min, 97°.5 | 09:36 | Cartosat 3 | 44804 | 2019-081A | 2022 Aug 13 | 499 x 517 km, 94.8 min, 97°.4 | 09:56 | HySIS | 43719 | 2018-096A | 2022 Aug 13 | 632 x 635 km, 97.4 min, 98°.0 | 10:11 | Resourcesat 1 (IRS P6) | 28051 | 2003-046A | 2022 Aug 13 | 736 x 819 km, 100.4 min, 98°.4 | 10:13 | Carbonite-2 | 43115 | 2018-004E | 2022 Aug 13 | 483 x 497 km, 94.4 min, 97°.4 | 10:19 | IRS 1A | 18960 | 1988-021A | 2022 Aug 13 | 894 x 916 km, 103.1 min, 99°.0 | 10:20 | Resourcesat 2 | 37387 | 2011-015A | 2022 Aug 13 | 818 x 822 km, 101.3 min, 98°.7 | 10:32 | Resourcesat 2A | 41877 | 2016-074A | 2022 Aug 13 | 818 x 821 km, 101.3 min, 98°.7 | 10:57 | Shakuntala | 52173 | 2022-033S | 2022 Aug 13 | 483 x 502 km, 94.5 min, 97°.4 | 17:53 | SARAL (Satellite with ARgos and ALtiKa) | 39086 | 2013-009A | 2022 Aug 13 | 783 x 787 km, 100.6 min, 98°.5 |
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 Aug 14, 05:48 UTC
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