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 Feb 05 18:58 | 2026 Jan 29 10:32:20 | 27.1727 | 0.65893 | 4.3244 | 272.5917 | 19.1781 | 1.96182 | 5.743 |
| 2026 Feb 04 18:57 | 2026 Jan 29 10:32:20 | 27.1727 | 0.65893 | 4.3244 | 272.5917 | 19.1781 | 1.96182 | 5.743 |
| 2026 Feb 03 18:56 | 2026 Jan 29 10:32:20 | 27.1727 | 0.65893 | 4.3244 | 272.5917 | 19.1781 | 1.96182 | 5.743 |
| 2026 Feb 02 18:56 | 2026 Jan 29 10:32:20 | 27.1727 | 0.65893 | 4.3244 | 272.5917 | 19.1781 | 1.96182 | 5.743 |
| 2026 Feb 01 18:56 | 2026 Jan 20 06:22:16 | 27.1620 | 0.65874 | 4.4374 | 269.7880 | 19.1781 | 1.96182 | 5.743 |
| 2026 Jan 31 18:56 | 2026 Jan 20 06:22:16 | 27.1620 | 0.65874 | 4.4374 | 269.7880 | 19.1781 | 1.96182 | 5.743 |
| 2026 Jan 30 18:57 | 2026 Jan 20 06:22:16 | 27.1620 | 0.65874 | 4.4374 | 269.7880 | 19.1781 | 1.96182 | 5.743 |
| 2026 Jan 29 18:56 | 2026 Jan 20 06:22:16 | 27.1620 | 0.65874 | 4.4374 | 269.7880 | 19.1781 | 1.96182 | 5.743 |
| 2026 Jan 28 18:56 | 2026 Jan 20 06:22:16 | 27.1620 | 0.65874 | 4.4374 | 269.7880 | 19.1781 | 1.96182 | 5.743 |
| 2026 Jan 27 18:56 | 2026 Jan 20 06:22:16 | 27.1620 | 0.65874 | 4.4374 | 269.7880 | 19.1781 | 1.96182 | 5.743 |
| 2026 Jan 26 18:57 | 2026 Jan 20 06:22:16 | 27.1620 | 0.65874 | 4.4374 | 269.7880 | 19.1781 | 1.96182 | 5.743 |
| 2026 Jan 25 18:57 | 2026 Jan 20 06:22:16 | 27.1620 | 0.65874 | 4.4374 | 269.7880 | 19.1781 | 1.96182 | 5.743 |
| 2026 Jan 24 18:58 | 2026 Jan 20 06:22:16 | 27.1620 | 0.65874 | 4.4374 | 269.7880 | 19.1781 | 1.96182 | 5.743 |
| 2026 Jan 22 18:56 | 2026 Jan 20 06:22:16 | 27.1620 | 0.65874 | 4.4374 | 269.7880 | 19.1781 | 1.96182 | 5.743 |
| 2026 Jan 21 18:56 | 2026 Jan 16 04:30:58 | 27.1578 | 0.65867 | 4.4875 | 268.5452 | 19.1781 | 1.96182 | 5.743 |
| 2026 Jan 20 19:06 | 2026 Jan 16 04:30:58 | 27.1578 | 0.65867 | 4.4875 | 268.5452 | 19.1781 | 1.96182 | 5.743 |
| 2026 Jan 19 18:57 | 2026 Jan 16 04:30:58 | 27.1578 | 0.65867 | 4.4875 | 268.5452 | 19.1781 | 1.96182 | 5.743 |
| 2026 Jan 18 18:57 | 2026 Jan 16 04:30:58 | 27.1578 | 0.65867 | 4.4875 | 268.5452 | 19.1781 | 1.96182 | 5.743 |
| 2026 Jan 17 18:56 | 2026 Jan 16 04:30:58 | 27.1578 | 0.65867 | 4.4875 | 268.5452 | 19.1781 | 1.96182 | 5.743 |
| 2026 Jan 16 18:57 | 2026 Jan 16 04:30:58 | 27.1578 | 0.65867 | 4.4875 | 268.5452 | 19.1781 | 1.96182 | 5.743 |
| 2026 Jan 15 18:56 | 2026 Jan 08 13:02:30 | 27.1499 | 0.65849 | 4.5813 | 266.2172 | 19.1781 | 1.96182 | 5.743 |