Orbital elements of SKYNET 4A
| Launched | 31 December 1989 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United Kingdom |
| NORAD ID | 20401 |
| 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 02 18:56 | 2025 Dec 02 04:32:40 | 12.5690 | 0.00159 | 23.3833 | 300.2841 | 65.8324 | 0.98998 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 03:11:25 | 12.5717 | 0.00158 | 23.3859 | 299.2668 | 65.8324 | 0.98998 | – |
| 2025 Nov 29 18:56 | 2025 Nov 25 03:11:25 | 12.5717 | 0.00158 | 23.3859 | 299.2668 | 65.8324 | 0.98998 | – |
| 2025 Nov 28 18:57 | 2025 Nov 25 03:11:25 | 12.5717 | 0.00158 | 23.3859 | 299.2668 | 65.8324 | 0.98998 | – |
| 2025 Nov 27 18:57 | 2025 Nov 25 03:11:25 | 12.5717 | 0.00158 | 23.3859 | 299.2668 | 65.8324 | 0.98998 | – |
| 2025 Nov 26 18:57 | 2025 Nov 25 03:11:25 | 12.5717 | 0.00158 | 23.3859 | 299.2668 | 65.8324 | 0.98998 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 03:11:25 | 12.5717 | 0.00158 | 23.3859 | 299.2668 | 65.8324 | 0.98998 | – |
| 2025 Nov 24 18:56 | 2025 Nov 20 01:44:07 | 12.5736 | 0.00156 | 23.3877 | 298.5245 | 65.8324 | 0.98998 | – |
| 2025 Nov 23 18:57 | 2025 Nov 20 01:44:07 | 12.5736 | 0.00156 | 23.3877 | 298.5245 | 65.8324 | 0.98998 | – |
| 2025 Nov 21 18:57 | 2025 Nov 20 01:44:07 | 12.5736 | 0.00156 | 23.3877 | 298.5245 | 65.8324 | 0.98998 | – |
| 2025 Nov 20 18:56 | 2025 Nov 20 01:44:07 | 12.5736 | 0.00156 | 23.3877 | 298.5245 | 65.8324 | 0.98998 | – |
| 2025 Nov 18 18:57 | 2025 Nov 07 22:54:10 | 12.5781 | 0.00151 | 23.3921 | 297.6137 | 65.8324 | 0.98998 | – |
| 2025 Nov 16 18:58 | 2025 Nov 07 22:54:10 | 12.5781 | 0.00151 | 23.3921 | 297.6137 | 65.8324 | 0.98998 | – |
| 2025 Nov 15 18:57 | 2025 Nov 07 22:54:10 | 12.5781 | 0.00151 | 23.3921 | 297.6137 | 65.8324 | 0.98998 | – |
| 2025 Nov 13 18:56 | 2025 Nov 07 22:54:10 | 12.5781 | 0.00151 | 23.3921 | 297.6137 | 65.8324 | 0.98998 | – |
| 2025 Nov 12 18:57 | 2025 Nov 07 22:54:10 | 12.5781 | 0.00151 | 23.3921 | 297.6137 | 65.8324 | 0.98998 | – |
| 2025 Nov 11 18:55 | 2025 Nov 07 22:54:10 | 12.5781 | 0.00151 | 23.3921 | 297.6137 | 65.8324 | 0.98998 | – |
| 2025 Nov 10 18:57 | 2025 Nov 07 22:54:10 | 12.5781 | 0.00151 | 23.3921 | 297.6137 | 65.8324 | 0.98998 | – |
| 2025 Nov 09 18:57 | 2025 Nov 07 22:54:10 | 12.5781 | 0.00151 | 23.3921 | 297.6137 | 65.8324 | 0.98998 | – |
| 2025 Nov 08 18:56 | 2025 Nov 01 21:29:03 | 12.5804 | 0.00150 | 23.3944 | 297.1594 | 65.8324 | 0.98998 | – |
| 2025 Nov 07 18:57 | 2025 Nov 01 21:29:03 | 12.5804 | 0.00150 | 23.3944 | 297.1594 | 65.8324 | 0.98998 | – |
| 2025 Nov 05 18:57 | 2025 Nov 01 21:29:03 | 12.5804 | 0.00150 | 23.3944 | 297.1594 | 65.8324 | 0.98998 | – |