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 Jun 18 17:56 | 2025 Jun 16 03:49:35 | 12.9127 | 0.00110 | 1.6565 | 19.0143 | 336.5975 | 0.98509 | 5.500 |
| 2025 Jun 17 17:56 | 2025 Jun 16 03:49:35 | 12.9127 | 0.00110 | 1.6565 | 19.0143 | 336.5975 | 0.98509 | 5.500 |
| 2025 Jun 16 17:56 | 2025 Jun 12 13:38:58 | 12.9083 | 0.00110 | 1.6582 | 18.2623 | 336.5975 | 0.98509 | 5.500 |
| 2025 Jun 15 17:56 | 2025 Jun 12 13:38:58 | 12.9083 | 0.00110 | 1.6582 | 18.2623 | 336.5975 | 0.98509 | 5.500 |
| 2025 Jun 14 17:56 | 2025 Jun 12 13:38:58 | 12.9083 | 0.00110 | 1.6582 | 18.2623 | 336.5975 | 0.98509 | 5.500 |
| 2025 Jun 13 17:56 | 2025 Jun 12 13:38:58 | 12.9083 | 0.00110 | 1.6582 | 18.2623 | 336.5975 | 0.98509 | 5.500 |
| 2025 Jun 12 17:56 | 2025 Jun 12 13:38:58 | 12.9083 | 0.00110 | 1.6582 | 18.2623 | 336.5975 | 0.98509 | 5.500 |
| 2025 Jun 11 17:56 | 2025 Jun 05 19:28:29 | 12.9001 | 0.00113 | 1.6613 | 16.9826 | 336.5975 | 0.98509 | 5.500 |
| 2025 Jun 10 17:56 | 2025 Jun 05 19:28:29 | 12.9001 | 0.00113 | 1.6613 | 16.9826 | 336.5975 | 0.98509 | 5.500 |
| 2025 Jun 09 17:56 | 2025 Jun 05 19:28:29 | 12.9001 | 0.00113 | 1.6613 | 16.9826 | 336.5975 | 0.98509 | 5.500 |
| 2025 Jun 08 17:56 | 2025 Jun 05 19:28:29 | 12.9001 | 0.00113 | 1.6613 | 16.9826 | 336.5975 | 0.98509 | 5.500 |
| 2025 Jun 07 17:56 | 2025 Jun 05 19:28:29 | 12.9001 | 0.00113 | 1.6613 | 16.9826 | 336.5975 | 0.98509 | 5.500 |
| 2025 Jun 06 17:56 | 2025 Jun 05 19:28:29 | 12.9001 | 0.00113 | 1.6613 | 16.9826 | 336.5975 | 0.98509 | 5.500 |
| 2025 Jun 05 17:56 | 2025 Jun 01 11:19:21 | 12.8948 | 0.00115 | 1.6633 | 16.1131 | 336.5975 | 0.98509 | 5.500 |
| 2025 Jun 04 17:57 | 2025 Jun 01 11:19:21 | 12.8948 | 0.00115 | 1.6633 | 16.1131 | 336.5975 | 0.98509 | 5.500 |
| 2025 Jun 03 17:57 | 2025 Jun 01 11:19:21 | 12.8948 | 0.00115 | 1.6633 | 16.1131 | 336.5975 | 0.98509 | 5.500 |
| 2025 Jun 02 17:58 | 2025 Jun 01 11:19:21 | 12.8948 | 0.00115 | 1.6633 | 16.1131 | 336.5975 | 0.98509 | 5.500 |
| 2025 Jun 01 17:56 | 2025 Jun 01 11:19:21 | 12.8948 | 0.00115 | 1.6633 | 16.1131 | 336.5975 | 0.98509 | 5.500 |
| 2025 May 31 17:56 | 2025 May 25 08:47:13 | 12.8865 | 0.00117 | 1.6667 | 14.0598 | 336.5975 | 0.98509 | 5.500 |
| 2025 May 30 17:56 | 2025 May 25 08:47:13 | 12.8865 | 0.00117 | 1.6667 | 14.0598 | 336.5975 | 0.98509 | 5.500 |
| 2025 May 29 17:56 | 2025 May 25 08:47:13 | 12.8865 | 0.00117 | 1.6667 | 14.0598 | 336.5975 | 0.98509 | 5.500 |
| 2025 May 28 17:56 | 2025 May 25 08:47:13 | 12.8865 | 0.00117 | 1.6667 | 14.0598 | 336.5975 | 0.98509 | 5.500 |
| 2025 May 27 17:57 | 2025 May 25 08:47:13 | 12.8865 | 0.00117 | 1.6667 | 14.0598 | 336.5975 | 0.98509 | 5.500 |
| 2025 May 26 17:56 | 2025 May 25 08:47:13 | 12.8865 | 0.00117 | 1.6667 | 14.0598 | 336.5975 | 0.98509 | 5.500 |
| 2025 May 25 17:56 | 2025 May 21 10:55:25 | 12.8820 | 0.00118 | 1.6685 | 12.7986 | 336.5975 | 0.98509 | 5.500 |
| 2025 May 24 17:57 | 2025 May 21 10:55:25 | 12.8820 | 0.00118 | 1.6685 | 12.7986 | 336.5975 | 0.98509 | 5.500 |
| 2025 May 23 17:56 | 2025 May 21 10:55:25 | 12.8820 | 0.00118 | 1.6685 | 12.7986 | 336.5975 | 0.98509 | 5.500 |
| 2025 May 22 17:56 | 2025 May 21 10:55:25 | 12.8820 | 0.00118 | 1.6685 | 12.7986 | 336.5975 | 0.98509 | 5.500 |