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 |
| 2026 Apr 22 17:57 | 2026 Apr 19 01:37:30 | 12.5207 | 0.00148 | 23.3320 | 316.3960 | 230.3155 | 0.98999 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 01:37:30 | 12.5207 | 0.00148 | 23.3320 | 316.3960 | 230.3155 | 0.98999 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 01:37:30 | 12.5207 | 0.00148 | 23.3320 | 316.3960 | 230.3155 | 0.98999 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 01:37:30 | 12.5207 | 0.00148 | 23.3320 | 316.3960 | 230.3155 | 0.98999 | – |
| 2026 Apr 18 17:56 | 2026 Apr 12 10:37:40 | 12.5228 | 0.00153 | 23.3344 | 315.8546 | 230.3155 | 0.98999 | – |
| 2026 Apr 16 17:57 | 2026 Apr 12 10:37:40 | 12.5228 | 0.00153 | 23.3344 | 315.8546 | 230.3155 | 0.98999 | – |
| 2026 Apr 14 17:57 | 2026 Apr 12 10:37:40 | 12.5228 | 0.00153 | 23.3344 | 315.8546 | 230.3155 | 0.98999 | – |
| 2026 Apr 13 17:57 | 2026 Apr 12 10:37:40 | 12.5228 | 0.00153 | 23.3344 | 315.8546 | 230.3155 | 0.98999 | – |
| 2026 Apr 12 17:57 | 2026 Apr 07 22:54:39 | 12.5245 | 0.00156 | 23.3361 | 315.1185 | 230.3155 | 0.98999 | – |
| 2026 Apr 11 17:57 | 2026 Apr 07 22:54:39 | 12.5245 | 0.00156 | 23.3361 | 315.1185 | 230.3155 | 0.98999 | – |
| 2026 Apr 10 17:58 | 2026 Apr 07 22:54:39 | 12.5245 | 0.00156 | 23.3361 | 315.1185 | 230.3155 | 0.98999 | – |
| 2026 Apr 09 18:01 | 2026 Apr 07 22:54:39 | 12.5245 | 0.00156 | 23.3361 | 315.1185 | 230.3155 | 0.98999 | – |
| 2026 Apr 08 17:57 | 2026 Apr 07 22:54:39 | 12.5245 | 0.00156 | 23.3361 | 315.1185 | 230.3155 | 0.98999 | – |
| 2026 Apr 07 17:57 | 2026 Mar 31 21:38:26 | 12.5270 | 0.00156 | 23.3386 | 314.7576 | 230.3155 | 0.98999 | – |
| 2026 Apr 06 17:57 | 2026 Mar 31 21:38:26 | 12.5270 | 0.00156 | 23.3386 | 314.7576 | 230.3155 | 0.98999 | – |
| 2026 Apr 05 17:56 | 2026 Mar 31 21:38:26 | 12.5270 | 0.00156 | 23.3386 | 314.7576 | 230.3155 | 0.98999 | – |
| 2026 Apr 04 17:57 | 2026 Mar 31 21:38:26 | 12.5270 | 0.00156 | 23.3386 | 314.7576 | 230.3155 | 0.98999 | – |
| 2026 Apr 03 17:56 | 2026 Mar 31 21:38:26 | 12.5270 | 0.00156 | 23.3386 | 314.7576 | 230.3155 | 0.98999 | – |
| 2026 Apr 02 18:03 | 2026 Mar 31 21:38:26 | 12.5270 | 0.00156 | 23.3386 | 314.7576 | 230.3155 | 0.98999 | – |
| 2026 Mar 31 17:57 | 2026 Mar 24 21:05:12 | 12.5292 | 0.00158 | 23.3412 | 314.5771 | 230.3155 | 0.98999 | – |
| 2026 Mar 30 17:58 | 2026 Mar 24 21:05:12 | 12.5292 | 0.00158 | 23.3412 | 314.5771 | 230.3155 | 0.98999 | – |
| 2026 Mar 29 17:57 | 2026 Mar 24 21:05:12 | 12.5292 | 0.00158 | 23.3412 | 314.5771 | 230.3155 | 0.98999 | – |
| 2026 Mar 28 18:57 | 2026 Mar 24 21:05:12 | 12.5292 | 0.00158 | 23.3412 | 314.5771 | 230.3155 | 0.98999 | – |
| 2026 Mar 27 18:57 | 2026 Mar 24 21:05:12 | 12.5292 | 0.00158 | 23.3412 | 314.5771 | 230.3155 | 0.98999 | – |
| 2026 Mar 26 18:57 | 2026 Mar 24 21:05:12 | 12.5292 | 0.00158 | 23.3412 | 314.5771 | 230.3155 | 0.98999 | – |