Orbital elements of ASTRA 1B
| Launched | 1 March 1991 |
| Flight ended | – |
| Launch site | Europe's Spaceport, Kourou, French Guiana |
| Owner | SES |
| NORAD ID | 21139 |
| 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 27 18:57 | 2025 Dec 26 11:30:01 | 13.1534 | 0.00079 | 1.5655 | 341.2488 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 26 18:56 | 2025 Dec 26 11:30:01 | 13.1534 | 0.00079 | 1.5655 | 341.2488 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 25 18:57 | 2025 Dec 20 11:16:49 | 13.1459 | 0.00075 | 1.5683 | 340.8844 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 24 18:56 | 2025 Dec 20 11:16:49 | 13.1459 | 0.00075 | 1.5683 | 340.8844 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 23 18:56 | 2025 Dec 20 11:16:49 | 13.1459 | 0.00075 | 1.5683 | 340.8844 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 22 18:57 | 2025 Dec 20 11:16:49 | 13.1459 | 0.00075 | 1.5683 | 340.8844 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 21 18:57 | 2025 Dec 20 11:16:49 | 13.1459 | 0.00075 | 1.5683 | 340.8844 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 20 18:57 | 2025 Dec 20 11:16:49 | 13.1459 | 0.00075 | 1.5683 | 340.8844 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 19 18:57 | 2025 Dec 11 20:22:50 | 13.1350 | 0.00069 | 1.5723 | 342.2478 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 18 18:57 | 2025 Dec 11 20:22:50 | 13.1350 | 0.00069 | 1.5723 | 342.2478 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 17 18:58 | 2025 Dec 11 20:22:50 | 13.1350 | 0.00069 | 1.5723 | 342.2478 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 16 18:57 | 2025 Dec 11 20:22:50 | 13.1350 | 0.00069 | 1.5723 | 342.2478 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 15 18:58 | 2025 Dec 11 20:22:50 | 13.1350 | 0.00069 | 1.5723 | 342.2478 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 14 18:56 | 2025 Dec 11 20:22:50 | 13.1350 | 0.00069 | 1.5723 | 342.2478 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 13 18:56 | 2025 Dec 11 20:22:50 | 13.1350 | 0.00069 | 1.5723 | 342.2478 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 12 18:57 | 2025 Dec 11 20:22:50 | 13.1350 | 0.00069 | 1.5723 | 342.2478 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 11 18:56 | 2025 Dec 07 06:56:45 | 13.1295 | 0.00067 | 1.5745 | 343.2315 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 10 18:56 | 2025 Dec 07 06:56:45 | 13.1295 | 0.00067 | 1.5745 | 343.2315 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 09 18:56 | 2025 Dec 07 06:56:45 | 13.1295 | 0.00067 | 1.5745 | 343.2315 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 08 18:56 | 2025 Dec 07 06:56:45 | 13.1295 | 0.00067 | 1.5745 | 343.2315 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 07 18:56 | 2025 Dec 07 06:56:45 | 13.1295 | 0.00067 | 1.5745 | 343.2315 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 06 18:56 | 2025 Nov 30 15:54:54 | 13.1216 | 0.00064 | 1.5777 | 344.2871 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 05 18:57 | 2025 Nov 30 15:54:54 | 13.1216 | 0.00064 | 1.5777 | 344.2871 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 04 18:57 | 2025 Nov 30 15:54:54 | 13.1216 | 0.00064 | 1.5777 | 344.2871 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 03 18:56 | 2025 Nov 30 15:54:54 | 13.1216 | 0.00064 | 1.5777 | 344.2871 | 175.1180 | 0.98509 | 5.500 |
| 2025 Dec 02 18:56 | 2025 Nov 30 15:54:54 | 13.1216 | 0.00064 | 1.5777 | 344.2871 | 175.1180 | 0.98509 | 5.500 |
| 2025 Nov 30 18:57 | 2025 Nov 24 13:53:00 | 13.1142 | 0.00061 | 1.5805 | 345.5526 | 175.1180 | 0.98509 | 5.500 |