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 Jan 10 18:57 | 2026 Jan 06 06:01:03 | 13.1664 | 0.00084 | 1.5602 | 341.9776 | 34.4740 | 0.98511 | 5.500 |
| 2026 Jan 09 18:57 | 2026 Jan 06 06:01:03 | 13.1664 | 0.00084 | 1.5602 | 341.9776 | 34.4740 | 0.98511 | 5.500 |
| 2026 Jan 08 18:56 | 2026 Jan 06 06:01:03 | 13.1664 | 0.00084 | 1.5602 | 341.9776 | 34.4740 | 0.98511 | 5.500 |
| 2026 Jan 07 18:57 | 2026 Jan 06 06:01:03 | 13.1664 | 0.00084 | 1.5602 | 341.9776 | 34.4740 | 0.98511 | 5.500 |
| 2026 Jan 06 18:56 | 2026 Jan 06 06:01:03 | 13.1664 | 0.00084 | 1.5602 | 341.9776 | 34.4740 | 0.98511 | 5.500 |
| 2026 Jan 05 18:57 | 2025 Dec 31 14:00:41 | 13.1595 | 0.00082 | 1.5630 | 341.8164 | 34.4740 | 0.98511 | 5.500 |
| 2026 Jan 04 18:56 | 2025 Dec 31 14:00:41 | 13.1595 | 0.00082 | 1.5630 | 341.8164 | 34.4740 | 0.98511 | 5.500 |
| 2026 Jan 03 18:57 | 2025 Dec 31 14:00:41 | 13.1595 | 0.00082 | 1.5630 | 341.8164 | 34.4740 | 0.98511 | 5.500 |
| 2026 Jan 01 18:56 | 2025 Dec 31 14:00:41 | 13.1595 | 0.00082 | 1.5630 | 341.8164 | 34.4740 | 0.98511 | 5.500 |
| 2025 Dec 31 18:57 | 2025 Dec 31 14:00:41 | 13.1595 | 0.00082 | 1.5630 | 341.8164 | 34.4740 | 0.98511 | 5.500 |
| 2025 Dec 30 18:56 | 2025 Dec 26 11:30:01 | 13.1534 | 0.00079 | 1.5655 | 341.2488 | 34.4740 | 0.98511 | 5.500 |
| 2025 Dec 29 18:56 | 2025 Dec 26 11:30:01 | 13.1534 | 0.00079 | 1.5655 | 341.2488 | 34.4740 | 0.98511 | 5.500 |
| 2025 Dec 28 18:57 | 2025 Dec 26 11:30:01 | 13.1534 | 0.00079 | 1.5655 | 341.2488 | 34.4740 | 0.98511 | 5.500 |
| 2025 Dec 27 18:57 | 2025 Dec 26 11:30:01 | 13.1534 | 0.00079 | 1.5655 | 341.2488 | 34.4740 | 0.98511 | 5.500 |
| 2025 Dec 26 18:56 | 2025 Dec 26 11:30:01 | 13.1534 | 0.00079 | 1.5655 | 341.2488 | 34.4740 | 0.98511 | 5.500 |
| 2025 Dec 25 18:57 | 2025 Dec 20 11:16:49 | 13.1459 | 0.00075 | 1.5683 | 340.8844 | 34.4740 | 0.98511 | 5.500 |
| 2025 Dec 24 18:56 | 2025 Dec 20 11:16:49 | 13.1459 | 0.00075 | 1.5683 | 340.8844 | 34.4740 | 0.98511 | 5.500 |
| 2025 Dec 23 18:56 | 2025 Dec 20 11:16:49 | 13.1459 | 0.00075 | 1.5683 | 340.8844 | 34.4740 | 0.98511 | 5.500 |
| 2025 Dec 22 18:57 | 2025 Dec 20 11:16:49 | 13.1459 | 0.00075 | 1.5683 | 340.8844 | 34.4740 | 0.98511 | 5.500 |
| 2025 Dec 21 18:57 | 2025 Dec 20 11:16:49 | 13.1459 | 0.00075 | 1.5683 | 340.8844 | 34.4740 | 0.98511 | 5.500 |
| 2025 Dec 20 18:57 | 2025 Dec 20 11:16:49 | 13.1459 | 0.00075 | 1.5683 | 340.8844 | 34.4740 | 0.98511 | 5.500 |
| 2025 Dec 19 18:57 | 2025 Dec 11 20:22:50 | 13.1350 | 0.00069 | 1.5723 | 342.2478 | 34.4740 | 0.98511 | 5.500 |
| 2025 Dec 18 18:57 | 2025 Dec 11 20:22:50 | 13.1350 | 0.00069 | 1.5723 | 342.2478 | 34.4740 | 0.98511 | 5.500 |
| 2025 Dec 17 18:58 | 2025 Dec 11 20:22:50 | 13.1350 | 0.00069 | 1.5723 | 342.2478 | 34.4740 | 0.98511 | 5.500 |
| 2025 Dec 16 18:57 | 2025 Dec 11 20:22:50 | 13.1350 | 0.00069 | 1.5723 | 342.2478 | 34.4740 | 0.98511 | 5.500 |
| 2025 Dec 15 18:58 | 2025 Dec 11 20:22:50 | 13.1350 | 0.00069 | 1.5723 | 342.2478 | 34.4740 | 0.98511 | 5.500 |
| 2025 Dec 14 18:56 | 2025 Dec 11 20:22:50 | 13.1350 | 0.00069 | 1.5723 | 342.2478 | 34.4740 | 0.98511 | 5.500 |