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 Jan 22 18:56 | 2026 Jan 21 17:13:38 | 12.5500 | 0.00167 | 23.3646 | 307.3185 | 67.4175 | 0.99001 | – |
| 2026 Jan 21 18:56 | 2026 Jan 16 14:05:44 | 12.5519 | 0.00167 | 23.3665 | 306.4409 | 67.4175 | 0.99001 | – |
| 2026 Jan 20 19:06 | 2026 Jan 16 14:05:44 | 12.5519 | 0.00167 | 23.3665 | 306.4409 | 67.4175 | 0.99001 | – |
| 2026 Jan 19 18:57 | 2026 Jan 16 14:05:44 | 12.5519 | 0.00167 | 23.3665 | 306.4409 | 67.4175 | 0.99001 | – |
| 2026 Jan 18 18:57 | 2026 Jan 16 14:05:44 | 12.5519 | 0.00167 | 23.3665 | 306.4409 | 67.4175 | 0.99001 | – |
| 2026 Jan 17 18:56 | 2026 Jan 16 14:05:44 | 12.5519 | 0.00167 | 23.3665 | 306.4409 | 67.4175 | 0.99001 | – |
| 2026 Jan 16 18:57 | 2026 Jan 16 14:05:44 | 12.5519 | 0.00167 | 23.3665 | 306.4409 | 67.4175 | 0.99001 | – |
| 2026 Jan 15 18:56 | 2026 Jan 11 14:22:28 | 12.5538 | 0.00166 | 23.3683 | 305.6444 | 67.4175 | 0.99001 | – |
| 2026 Jan 13 18:56 | 2026 Jan 11 14:22:28 | 12.5538 | 0.00166 | 23.3683 | 305.6444 | 67.4175 | 0.99001 | – |
| 2026 Jan 11 18:57 | 2026 Jan 11 14:22:28 | 12.5538 | 0.00166 | 23.3683 | 305.6444 | 67.4175 | 0.99001 | – |
| 2026 Jan 10 18:57 | 2026 Jan 06 00:57:45 | 12.5558 | 0.00165 | 23.3703 | 305.0482 | 67.4175 | 0.99001 | – |
| 2026 Jan 09 18:57 | 2026 Jan 06 00:57:45 | 12.5558 | 0.00165 | 23.3703 | 305.0482 | 67.4175 | 0.99001 | – |
| 2026 Jan 08 18:56 | 2026 Jan 06 00:57:45 | 12.5558 | 0.00165 | 23.3703 | 305.0482 | 67.4175 | 0.99001 | – |
| 2026 Jan 07 18:57 | 2026 Jan 06 00:57:45 | 12.5558 | 0.00165 | 23.3703 | 305.0482 | 67.4175 | 0.99001 | – |
| 2026 Jan 06 18:56 | 2026 Jan 06 00:57:45 | 12.5558 | 0.00165 | 23.3703 | 305.0482 | 67.4175 | 0.99001 | – |
| 2026 Jan 05 18:57 | 2025 Dec 31 11:33:10 | 12.5578 | 0.00164 | 23.3725 | 304.5393 | 67.4175 | 0.99001 | – |
| 2026 Jan 04 18:56 | 2025 Dec 31 11:33:10 | 12.5578 | 0.00164 | 23.3725 | 304.5393 | 67.4175 | 0.99001 | – |
| 2026 Jan 03 18:57 | 2025 Dec 31 11:33:10 | 12.5578 | 0.00164 | 23.3725 | 304.5393 | 67.4175 | 0.99001 | – |
| 2026 Jan 01 18:56 | 2025 Dec 31 11:33:10 | 12.5578 | 0.00164 | 23.3725 | 304.5393 | 67.4175 | 0.99001 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 11:33:10 | 12.5578 | 0.00164 | 23.3725 | 304.5393 | 67.4175 | 0.99001 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 15:45:36 | 12.5597 | 0.00165 | 23.3743 | 303.8454 | 67.4175 | 0.99001 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 15:45:36 | 12.5597 | 0.00165 | 23.3743 | 303.8454 | 67.4175 | 0.99001 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 15:45:36 | 12.5597 | 0.00165 | 23.3743 | 303.8454 | 67.4175 | 0.99001 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 15:45:36 | 12.5597 | 0.00165 | 23.3743 | 303.8454 | 67.4175 | 0.99001 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 15:45:36 | 12.5597 | 0.00165 | 23.3743 | 303.8454 | 67.4175 | 0.99001 | – |