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 08 17:57 | 2026 Apr 07 22:54:39 | 12.5245 | 0.00156 | 23.3361 | 315.1185 | 230.7651 | 0.99001 | – |
| 2026 Apr 07 17:57 | 2026 Mar 31 21:38:26 | 12.5270 | 0.00156 | 23.3386 | 314.7576 | 230.7651 | 0.99001 | – |
| 2026 Apr 06 17:57 | 2026 Mar 31 21:38:26 | 12.5270 | 0.00156 | 23.3386 | 314.7576 | 230.7651 | 0.99001 | – |
| 2026 Apr 05 17:56 | 2026 Mar 31 21:38:26 | 12.5270 | 0.00156 | 23.3386 | 314.7576 | 230.7651 | 0.99001 | – |
| 2026 Apr 04 17:57 | 2026 Mar 31 21:38:26 | 12.5270 | 0.00156 | 23.3386 | 314.7576 | 230.7651 | 0.99001 | – |
| 2026 Apr 03 17:56 | 2026 Mar 31 21:38:26 | 12.5270 | 0.00156 | 23.3386 | 314.7576 | 230.7651 | 0.99001 | – |
| 2026 Apr 02 18:03 | 2026 Mar 31 21:38:26 | 12.5270 | 0.00156 | 23.3386 | 314.7576 | 230.7651 | 0.99001 | – |
| 2026 Mar 31 17:57 | 2026 Mar 24 21:05:12 | 12.5292 | 0.00158 | 23.3412 | 314.5771 | 230.7651 | 0.99001 | – |
| 2026 Mar 30 17:58 | 2026 Mar 24 21:05:12 | 12.5292 | 0.00158 | 23.3412 | 314.5771 | 230.7651 | 0.99001 | – |
| 2026 Mar 29 17:57 | 2026 Mar 24 21:05:12 | 12.5292 | 0.00158 | 23.3412 | 314.5771 | 230.7651 | 0.99001 | – |
| 2026 Mar 28 18:57 | 2026 Mar 24 21:05:12 | 12.5292 | 0.00158 | 23.3412 | 314.5771 | 230.7651 | 0.99001 | – |
| 2026 Mar 27 18:57 | 2026 Mar 24 21:05:12 | 12.5292 | 0.00158 | 23.3412 | 314.5771 | 230.7651 | 0.99001 | – |
| 2026 Mar 26 18:57 | 2026 Mar 24 21:05:12 | 12.5292 | 0.00158 | 23.3412 | 314.5771 | 230.7651 | 0.99001 | – |
| 2026 Mar 25 18:56 | 2026 Mar 19 17:16:01 | 12.5310 | 0.00159 | 23.3432 | 314.1923 | 230.7651 | 0.99001 | – |
| 2026 Mar 24 18:56 | 2026 Mar 19 17:16:01 | 12.5310 | 0.00159 | 23.3432 | 314.1923 | 230.7651 | 0.99001 | – |
| 2026 Mar 23 18:56 | 2026 Mar 19 17:16:01 | 12.5310 | 0.00159 | 23.3432 | 314.1923 | 230.7651 | 0.99001 | – |
| 2026 Mar 22 18:56 | 2026 Mar 19 17:16:01 | 12.5310 | 0.00159 | 23.3432 | 314.1923 | 230.7651 | 0.99001 | – |
| 2026 Mar 21 19:05 | 2026 Mar 19 17:16:01 | 12.5310 | 0.00159 | 23.3432 | 314.1923 | 230.7651 | 0.99001 | – |
| 2026 Mar 20 18:57 | 2026 Mar 19 17:16:01 | 12.5310 | 0.00159 | 23.3432 | 314.1923 | 230.7651 | 0.99001 | – |
| 2026 Mar 19 18:56 | 2026 Mar 14 17:34:26 | 12.5326 | 0.00161 | 23.3450 | 313.4710 | 230.7651 | 0.99001 | – |
| 2026 Mar 18 18:56 | 2026 Mar 14 17:34:26 | 12.5326 | 0.00161 | 23.3450 | 313.4710 | 230.7651 | 0.99001 | – |
| 2026 Mar 17 18:56 | 2026 Mar 14 17:34:26 | 12.5326 | 0.00161 | 23.3450 | 313.4710 | 230.7651 | 0.99001 | – |
| 2026 Mar 16 18:57 | 2026 Mar 14 17:34:26 | 12.5326 | 0.00161 | 23.3450 | 313.4710 | 230.7651 | 0.99001 | – |
| 2026 Mar 15 18:56 | 2026 Mar 14 17:34:26 | 12.5326 | 0.00161 | 23.3450 | 313.4710 | 230.7651 | 0.99001 | – |
| 2026 Mar 14 18:56 | 2026 Mar 09 16:10:08 | 12.5343 | 0.00162 | 23.3469 | 312.7891 | 230.7651 | 0.99001 | – |
| 2026 Mar 13 18:57 | 2026 Mar 09 16:10:08 | 12.5343 | 0.00162 | 23.3469 | 312.7891 | 230.7651 | 0.99001 | – |
| 2026 Mar 12 18:57 | 2026 Mar 09 16:10:08 | 12.5343 | 0.00162 | 23.3469 | 312.7891 | 230.7651 | 0.99001 | – |