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 Jun 26 17:56 | 2026 Jun 21 15:52:04 | 27.4353 | 0.66006 | 2.5595 | 316.1221 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 25 17:56 | 2026 Jun 21 15:52:04 | 27.4353 | 0.66006 | 2.5595 | 316.1221 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 24 17:55 | 2026 Jun 21 15:52:04 | 27.4353 | 0.66006 | 2.5595 | 316.1221 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 23 17:56 | 2026 Jun 21 15:52:04 | 27.4353 | 0.66006 | 2.5595 | 316.1221 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 22 17:56 | 2026 Jun 16 01:18:21 | 27.4209 | 0.66001 | 2.6279 | 314.4391 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 21 17:57 | 2026 Jun 16 01:18:21 | 27.4209 | 0.66001 | 2.6279 | 314.4391 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 20 17:56 | 2026 Jun 16 01:18:21 | 27.4209 | 0.66001 | 2.6279 | 314.4391 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 19 17:57 | 2026 Jun 16 01:18:21 | 27.4209 | 0.66001 | 2.6279 | 314.4391 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 18 17:56 | 2026 Jun 16 01:18:21 | 27.4209 | 0.66001 | 2.6279 | 314.4391 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 17 17:57 | 2026 Jun 16 01:18:21 | 27.4209 | 0.66001 | 2.6279 | 314.4391 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 16 17:55 | 2026 Jun 10 22:58:50 | 27.4082 | 0.65997 | 2.6900 | 312.9088 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 15 17:56 | 2026 Jun 10 22:58:50 | 27.4082 | 0.65997 | 2.6900 | 312.9088 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 14 17:57 | 2026 Jun 10 22:58:50 | 27.4082 | 0.65997 | 2.6900 | 312.9088 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 13 17:56 | 2026 Jun 10 22:58:50 | 27.4082 | 0.65997 | 2.6900 | 312.9088 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 12 17:56 | 2026 Jun 10 22:58:50 | 27.4082 | 0.65997 | 2.6900 | 312.9088 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 11 17:57 | 2026 Jun 06 21:07:01 | 27.3985 | 0.65993 | 2.7397 | 311.6851 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 10 17:56 | 2026 Jun 06 21:07:01 | 27.3985 | 0.65993 | 2.7397 | 311.6851 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 09 17:57 | 2026 Jun 06 21:07:01 | 27.3985 | 0.65993 | 2.7397 | 311.6851 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 08 17:56 | 2026 Jun 06 21:07:01 | 27.3985 | 0.65993 | 2.7397 | 311.6851 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 07 17:56 | 2026 Jun 06 21:07:01 | 27.3985 | 0.65993 | 2.7397 | 311.6851 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 06 17:56 | 2026 May 30 17:51:20 | 27.3821 | 0.65989 | 2.8268 | 309.5437 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 05 17:56 | 2026 May 30 17:51:20 | 27.3821 | 0.65989 | 2.8268 | 309.5437 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 04 17:57 | 2026 May 30 17:51:20 | 27.3821 | 0.65989 | 2.8268 | 309.5437 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 02 17:56 | 2026 May 30 17:51:20 | 27.3821 | 0.65989 | 2.8268 | 309.5437 | 7.3060 | 1.96173 | 5.743 |
| 2026 Jun 01 17:57 | 2026 May 30 17:51:20 | 27.3821 | 0.65989 | 2.8268 | 309.5437 | 7.3060 | 1.96173 | 5.743 |
| 2026 May 31 17:58 | 2026 May 30 17:51:20 | 27.3821 | 0.65989 | 2.8268 | 309.5437 | 7.3060 | 1.96173 | 5.743 |
| 2026 May 30 17:57 | 2026 May 25 15:31:37 | 27.3702 | 0.65986 | 2.8891 | 308.0107 | 7.3060 | 1.96173 | 5.743 |