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 |
| 2025 Dec 20 18:57 | 2025 Dec 20 15:25:41 | 98.8123 | 0.00103 | 2.9265 | 149.2680 | 13.8316 | 14.31675 | 9.743 |
| 2025 Dec 19 18:57 | 2025 Dec 12 04:02:33 | 98.8137 | 0.00099 | 2.3531 | 173.1521 | 13.8316 | 14.31675 | 9.743 |
| 2025 Dec 18 18:57 | 2025 Dec 12 04:02:33 | 98.8137 | 0.00099 | 2.3531 | 173.1521 | 13.8316 | 14.31675 | 9.743 |
| 2025 Dec 17 18:58 | 2025 Dec 12 04:02:33 | 98.8137 | 0.00099 | 2.3531 | 173.1521 | 13.8316 | 14.31675 | 9.743 |
| 2025 Dec 16 18:57 | 2025 Dec 12 04:02:33 | 98.8137 | 0.00099 | 2.3531 | 173.1521 | 13.8316 | 14.31675 | 9.743 |
| 2025 Dec 15 18:58 | 2025 Dec 12 04:02:33 | 98.8137 | 0.00099 | 2.3531 | 173.1521 | 13.8316 | 14.31675 | 9.743 |
| 2025 Dec 14 18:56 | 2025 Dec 12 04:02:33 | 98.8137 | 0.00099 | 2.3531 | 173.1521 | 13.8316 | 14.31675 | 9.743 |
| 2025 Dec 13 18:56 | 2025 Dec 12 04:02:33 | 98.8137 | 0.00099 | 2.3531 | 173.1521 | 13.8316 | 14.31675 | 9.743 |
| 2025 Dec 12 18:57 | 2025 Dec 12 04:02:33 | 98.8137 | 0.00099 | 2.3531 | 173.1521 | 13.8316 | 14.31675 | 9.743 |
| 2025 Dec 11 18:56 | 2025 Dec 07 03:03:59 | 98.8142 | 0.00096 | 2.0120 | 187.8811 | 13.8316 | 14.31675 | 9.743 |
| 2025 Dec 10 18:56 | 2025 Dec 07 03:03:59 | 98.8142 | 0.00096 | 2.0120 | 187.8811 | 13.8316 | 14.31675 | 9.743 |
| 2025 Dec 09 18:56 | 2025 Dec 07 03:03:59 | 98.8142 | 0.00096 | 2.0120 | 187.8811 | 13.8316 | 14.31675 | 9.743 |
| 2025 Dec 08 18:56 | 2025 Dec 07 03:03:59 | 98.8142 | 0.00096 | 2.0120 | 187.8811 | 13.8316 | 14.31675 | 9.743 |
| 2025 Dec 07 18:56 | 2025 Dec 07 03:03:59 | 98.8142 | 0.00096 | 2.0120 | 187.8811 | 13.8316 | 14.31675 | 9.743 |
| 2025 Dec 06 18:56 | 2025 Dec 02 09:11:04 | 98.8151 | 0.00094 | 1.6909 | 202.0673 | 13.8316 | 14.31675 | 9.743 |
| 2025 Dec 05 18:57 | 2025 Dec 02 09:11:04 | 98.8151 | 0.00094 | 1.6909 | 202.0673 | 13.8316 | 14.31675 | 9.743 |
| 2025 Dec 04 18:57 | 2025 Dec 02 09:11:04 | 98.8151 | 0.00094 | 1.6909 | 202.0673 | 13.8316 | 14.31675 | 9.743 |
| 2025 Dec 03 18:56 | 2025 Dec 02 09:11:04 | 98.8151 | 0.00094 | 1.6909 | 202.0673 | 13.8316 | 14.31675 | 9.743 |
| 2025 Dec 02 18:56 | 2025 Dec 02 09:11:04 | 98.8151 | 0.00094 | 1.6909 | 202.0673 | 13.8316 | 14.31675 | 9.743 |
| 2025 Nov 30 18:57 | 2025 Nov 25 02:42:06 | 98.8160 | 0.00090 | 1.1989 | 224.5337 | 13.8316 | 14.31675 | 9.743 |
| 2025 Nov 29 18:56 | 2025 Nov 25 02:42:06 | 98.8160 | 0.00090 | 1.1989 | 224.5337 | 13.8316 | 14.31675 | 9.743 |
| 2025 Nov 28 18:57 | 2025 Nov 25 02:42:06 | 98.8160 | 0.00090 | 1.1989 | 224.5337 | 13.8316 | 14.31675 | 9.743 |
| 2025 Nov 27 18:57 | 2025 Nov 25 02:42:06 | 98.8160 | 0.00090 | 1.1989 | 224.5337 | 13.8316 | 14.31675 | 9.743 |
| 2025 Nov 26 18:57 | 2025 Nov 25 02:42:06 | 98.8160 | 0.00090 | 1.1989 | 224.5337 | 13.8316 | 14.31675 | 9.743 |
| 2025 Nov 25 18:57 | 2025 Nov 25 02:42:06 | 98.8160 | 0.00090 | 1.1989 | 224.5337 | 13.8316 | 14.31675 | 9.743 |
| 2025 Nov 24 18:56 | 2025 Nov 20 03:39:46 | 98.8170 | 0.00088 | 0.8632 | 240.3601 | 13.8316 | 14.31675 | 9.743 |
| 2025 Nov 23 18:57 | 2025 Nov 20 03:39:46 | 98.8170 | 0.00088 | 0.8632 | 240.3601 | 13.8316 | 14.31675 | 9.743 |