Orbital elements of UOSAT 4
| Launched | 21 January 1990 |
| Flight ended | – |
| Launch site | Europe's Spaceport, Kourou, French Guiana |
| Owner | United Kingdom |
| NORAD ID | 20438 |
| Alternative names |
UO-15 |
| 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 Feb 05 18:58 | 2026 Feb 02 08:56:06 | 98.8050 | 0.00103 | 5.8840 | 32.0231 | 27.2028 | 14.31690 | 9.743 |
| 2026 Feb 04 18:57 | 2026 Feb 02 08:56:06 | 98.8050 | 0.00103 | 5.8840 | 32.0231 | 27.2028 | 14.31690 | 9.743 |
| 2026 Feb 03 18:56 | 2026 Feb 02 08:56:06 | 98.8050 | 0.00103 | 5.8840 | 32.0231 | 27.2028 | 14.31690 | 9.743 |
| 2026 Feb 02 18:56 | 2026 Feb 02 08:56:06 | 98.8050 | 0.00103 | 5.8840 | 32.0231 | 27.2028 | 14.31690 | 9.743 |
| 2026 Feb 01 18:56 | 2026 Jan 27 03:41:04 | 98.8063 | 0.00105 | 5.4635 | 49.0980 | 27.2028 | 14.31690 | 9.743 |
| 2026 Jan 31 18:56 | 2026 Jan 27 03:41:04 | 98.8063 | 0.00105 | 5.4635 | 49.0980 | 27.2028 | 14.31690 | 9.743 |
| 2026 Jan 30 18:57 | 2026 Jan 27 03:41:04 | 98.8063 | 0.00105 | 5.4635 | 49.0980 | 27.2028 | 14.31690 | 9.743 |
| 2026 Jan 29 18:56 | 2026 Jan 27 03:41:04 | 98.8063 | 0.00105 | 5.4635 | 49.0980 | 27.2028 | 14.31690 | 9.743 |