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 |
| 2025 Dec 25 18:57 | 2025 Dec 20 04:15:06 | 27.1350 | 0.65803 | 4.8176 | 260.3471 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 24 18:56 | 2025 Dec 20 04:15:06 | 27.1350 | 0.65803 | 4.8176 | 260.3471 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 23 18:56 | 2025 Dec 20 04:15:06 | 27.1350 | 0.65803 | 4.8176 | 260.3471 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 22 18:57 | 2025 Dec 20 04:15:06 | 27.1350 | 0.65803 | 4.8176 | 260.3471 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 21 18:57 | 2025 Dec 20 04:15:06 | 27.1350 | 0.65803 | 4.8176 | 260.3471 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 20 18:57 | 2025 Dec 20 04:15:06 | 27.1350 | 0.65803 | 4.8176 | 260.3471 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 19 18:57 | 2025 Dec 10 11:51:57 | 27.1295 | 0.65779 | 4.9351 | 257.4262 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 18 18:57 | 2025 Dec 10 11:51:57 | 27.1295 | 0.65779 | 4.9351 | 257.4262 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 17 18:58 | 2025 Dec 10 11:51:57 | 27.1295 | 0.65779 | 4.9351 | 257.4262 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 16 18:57 | 2025 Dec 10 11:51:57 | 27.1295 | 0.65779 | 4.9351 | 257.4262 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 15 18:58 | 2025 Dec 10 11:51:57 | 27.1295 | 0.65779 | 4.9351 | 257.4262 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 14 18:56 | 2025 Dec 10 11:51:57 | 27.1295 | 0.65779 | 4.9351 | 257.4262 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 13 18:56 | 2025 Dec 10 11:51:57 | 27.1295 | 0.65779 | 4.9351 | 257.4262 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 12 18:57 | 2025 Dec 10 11:51:57 | 27.1295 | 0.65779 | 4.9351 | 257.4262 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 11 18:56 | 2025 Dec 06 10:01:10 | 27.1283 | 0.65771 | 4.9844 | 256.1997 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 10 18:56 | 2025 Dec 06 10:01:10 | 27.1283 | 0.65771 | 4.9844 | 256.1997 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 09 18:56 | 2025 Dec 06 10:01:10 | 27.1283 | 0.65771 | 4.9844 | 256.1997 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 08 18:56 | 2025 Dec 06 10:01:10 | 27.1283 | 0.65771 | 4.9844 | 256.1997 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 07 18:56 | 2025 Dec 06 10:01:10 | 27.1283 | 0.65771 | 4.9844 | 256.1997 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 06 18:56 | 2025 Nov 27 18:05:41 | 27.1240 | 0.65751 | 5.0890 | 253.5951 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 05 18:57 | 2025 Nov 27 18:05:41 | 27.1240 | 0.65751 | 5.0890 | 253.5951 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 04 18:57 | 2025 Nov 27 18:05:41 | 27.1240 | 0.65751 | 5.0890 | 253.5951 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 03 18:56 | 2025 Nov 27 18:05:41 | 27.1240 | 0.65751 | 5.0890 | 253.5951 | 25.0328 | 1.96174 | 5.743 |
| 2025 Dec 02 18:56 | 2025 Nov 27 18:05:41 | 27.1240 | 0.65751 | 5.0890 | 253.5951 | 25.0328 | 1.96174 | 5.743 |
| 2025 Nov 30 18:57 | 2025 Nov 22 03:33:33 | 27.1224 | 0.65740 | 5.1565 | 251.9162 | 25.0328 | 1.96174 | 5.743 |
| 2025 Nov 29 18:56 | 2025 Nov 22 03:33:33 | 27.1224 | 0.65740 | 5.1565 | 251.9162 | 25.0328 | 1.96174 | 5.743 |
| 2025 Nov 28 18:57 | 2025 Nov 22 03:33:33 | 27.1224 | 0.65740 | 5.1565 | 251.9162 | 25.0328 | 1.96174 | 5.743 |