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 |
| 2026 May 01 17:56 | 2026 Apr 30 09:12:46 | 13.3099 | 0.00107 | 1.5049 | 1.8657 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 30 17:56 | 2026 Apr 30 09:12:46 | 13.3099 | 0.00107 | 1.5049 | 1.8657 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 29 17:57 | 2026 Apr 24 08:19:38 | 13.3024 | 0.00109 | 1.5078 | 0.7125 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 28 17:56 | 2026 Apr 24 08:19:38 | 13.3024 | 0.00109 | 1.5078 | 0.7125 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 27 17:58 | 2026 Apr 24 08:19:38 | 13.3024 | 0.00109 | 1.5078 | 0.7125 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 26 17:58 | 2026 Apr 24 08:19:38 | 13.3024 | 0.00109 | 1.5078 | 0.7125 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 25 17:58 | 2026 Apr 24 08:19:38 | 13.3024 | 0.00109 | 1.5078 | 0.7125 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 24 17:59 | 2026 Apr 24 08:19:38 | 13.3024 | 0.00109 | 1.5078 | 0.7125 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 23 17:57 | 2026 Apr 19 06:35:32 | 13.2967 | 0.00111 | 1.5104 | 359.4271 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 22 17:57 | 2026 Apr 19 06:35:32 | 13.2967 | 0.00111 | 1.5104 | 359.4271 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 21 17:57 | 2026 Apr 19 06:35:32 | 13.2967 | 0.00111 | 1.5104 | 359.4271 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 20 17:57 | 2026 Apr 19 06:35:32 | 13.2967 | 0.00111 | 1.5104 | 359.4271 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 19 17:58 | 2026 Apr 19 06:35:32 | 13.2967 | 0.00111 | 1.5104 | 359.4271 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 18 17:56 | 2026 Apr 12 03:41:03 | 13.2879 | 0.00111 | 1.5138 | 357.8059 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 16 17:57 | 2026 Apr 12 03:41:03 | 13.2879 | 0.00111 | 1.5138 | 357.8059 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 14 17:57 | 2026 Apr 12 03:41:03 | 13.2879 | 0.00111 | 1.5138 | 357.8059 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 13 17:57 | 2026 Apr 12 03:41:03 | 13.2879 | 0.00111 | 1.5138 | 357.8059 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 12 17:57 | 2026 Apr 08 02:15:45 | 13.2828 | 0.00110 | 1.5157 | 356.9605 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 11 17:57 | 2026 Apr 08 02:15:45 | 13.2828 | 0.00110 | 1.5157 | 356.9605 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 10 17:58 | 2026 Apr 08 02:15:45 | 13.2828 | 0.00110 | 1.5157 | 356.9605 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 09 18:01 | 2026 Apr 08 02:15:45 | 13.2828 | 0.00110 | 1.5157 | 356.9605 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 08 17:57 | 2026 Apr 08 02:15:45 | 13.2828 | 0.00110 | 1.5157 | 356.9605 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 07 17:57 | 2026 Mar 31 23:20:31 | 13.2737 | 0.00109 | 1.5191 | 355.7743 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 06 17:57 | 2026 Mar 31 23:20:31 | 13.2737 | 0.00109 | 1.5191 | 355.7743 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 05 17:56 | 2026 Mar 31 23:20:31 | 13.2737 | 0.00109 | 1.5191 | 355.7743 | 171.8030 | 0.98511 | 5.500 |
| 2026 Apr 04 17:57 | 2026 Mar 31 23:20:31 | 13.2737 | 0.00109 | 1.5191 | 355.7743 | 171.8030 | 0.98511 | 5.500 |