Orbital elements of GEOS-1
| Launched | 19 April 1977 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | European Space Agency |
| NORAD ID | 9931 |
| Alternative names |
GEOSTATIONARY SCIENTIFIC SATELLITE-1 |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| 2026 Jul 12 17:56 | 2026 Jul 11 00:43:20 | 27.4847 | 0.66023 | 2.3242 | 321.9282 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jul 11 17:56 | 2026 Jul 11 00:43:20 | 27.4847 | 0.66023 | 2.3242 | 321.9282 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jul 09 17:56 | 2026 Jul 04 09:41:38 | 27.4675 | 0.66016 | 2.4047 | 319.9416 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jul 08 17:56 | 2026 Jul 04 09:41:38 | 27.4675 | 0.66016 | 2.4047 | 319.9416 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jul 07 17:56 | 2026 Jul 04 09:41:38 | 27.4675 | 0.66016 | 2.4047 | 319.9416 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jul 06 17:57 | 2026 Jul 04 09:41:38 | 27.4675 | 0.66016 | 2.4047 | 319.9416 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jul 05 17:56 | 2026 Jul 04 09:41:38 | 27.4675 | 0.66016 | 2.4047 | 319.9416 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jul 04 17:56 | 2026 Jun 27 06:26:00 | 27.4497 | 0.66011 | 2.4913 | 317.8030 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jul 03 17:57 | 2026 Jun 27 06:26:00 | 27.4497 | 0.66011 | 2.4913 | 317.8030 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jul 02 17:56 | 2026 Jun 27 06:26:00 | 27.4497 | 0.66011 | 2.4913 | 317.8030 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jul 01 17:56 | 2026 Jun 27 06:26:00 | 27.4497 | 0.66011 | 2.4913 | 317.8030 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jun 30 17:56 | 2026 Jun 27 06:26:00 | 27.4497 | 0.66011 | 2.4913 | 317.8030 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jun 29 17:57 | 2026 Jun 27 06:26:00 | 27.4497 | 0.66011 | 2.4913 | 317.8030 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jun 28 17:56 | 2026 Jun 21 15:52:04 | 27.4353 | 0.66006 | 2.5595 | 316.1221 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jun 27 17:55 | 2026 Jun 21 15:52:04 | 27.4353 | 0.66006 | 2.5595 | 316.1221 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jun 26 17:56 | 2026 Jun 21 15:52:04 | 27.4353 | 0.66006 | 2.5595 | 316.1221 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jun 25 17:56 | 2026 Jun 21 15:52:04 | 27.4353 | 0.66006 | 2.5595 | 316.1221 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jun 24 17:55 | 2026 Jun 21 15:52:04 | 27.4353 | 0.66006 | 2.5595 | 316.1221 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jun 23 17:56 | 2026 Jun 21 15:52:04 | 27.4353 | 0.66006 | 2.5595 | 316.1221 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jun 22 17:56 | 2026 Jun 16 01:18:21 | 27.4209 | 0.66001 | 2.6279 | 314.4391 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jun 21 17:57 | 2026 Jun 16 01:18:21 | 27.4209 | 0.66001 | 2.6279 | 314.4391 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jun 20 17:56 | 2026 Jun 16 01:18:21 | 27.4209 | 0.66001 | 2.6279 | 314.4391 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jun 19 17:57 | 2026 Jun 16 01:18:21 | 27.4209 | 0.66001 | 2.6279 | 314.4391 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jun 18 17:56 | 2026 Jun 16 01:18:21 | 27.4209 | 0.66001 | 2.6279 | 314.4391 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jun 17 17:57 | 2026 Jun 16 01:18:21 | 27.4209 | 0.66001 | 2.6279 | 314.4391 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jun 16 17:55 | 2026 Jun 10 22:58:50 | 27.4082 | 0.65997 | 2.6900 | 312.9088 | 6.1431 | 1.96176 | 5.743 |
| 2026 Jun 15 17:56 | 2026 Jun 10 22:58:50 | 27.4082 | 0.65997 | 2.6900 | 312.9088 | 6.1431 | 1.96176 | 5.743 |