Orbital elements of UFO 8
| Launched | 15 March 1998 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 25258 |
| Alternative names |
USA 138 |
| 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 Nov 27 18:57 | 2025 Nov 25 11:14:23 | 10.8824 | 0.00077 | 1.5975 | 249.1957 | 101.9878 | 1.00312 | 6.000 |
| 2025 Nov 26 18:57 | 2025 Nov 25 11:14:23 | 10.8824 | 0.00077 | 1.5975 | 249.1957 | 101.9878 | 1.00312 | 6.000 |
| 2025 Nov 25 18:57 | 2025 Nov 25 11:14:23 | 10.8824 | 0.00077 | 1.5975 | 249.1957 | 101.9878 | 1.00312 | 6.000 |
| 2025 Nov 24 18:56 | 2025 Nov 19 14:24:03 | 10.8760 | 0.00075 | 1.6000 | 249.2259 | 101.9878 | 1.00312 | 6.000 |
| 2025 Nov 23 18:57 | 2025 Nov 19 14:24:03 | 10.8760 | 0.00075 | 1.6000 | 249.2259 | 101.9878 | 1.00312 | 6.000 |
| 2025 Nov 21 18:57 | 2025 Nov 19 14:24:03 | 10.8760 | 0.00075 | 1.6000 | 249.2259 | 101.9878 | 1.00312 | 6.000 |
| 2025 Nov 20 18:56 | 2025 Nov 19 14:24:03 | 10.8760 | 0.00075 | 1.6000 | 249.2259 | 101.9878 | 1.00312 | 6.000 |
| 2025 Nov 18 18:57 | 2025 Nov 08 13:24:54 | 10.8631 | 0.00078 | 1.6041 | 244.2968 | 101.9878 | 1.00312 | 6.000 |
| 2025 Nov 16 18:58 | 2025 Nov 08 13:24:54 | 10.8631 | 0.00078 | 1.6041 | 244.2968 | 101.9878 | 1.00312 | 6.000 |
| 2025 Nov 15 18:57 | 2025 Nov 08 13:24:54 | 10.8631 | 0.00078 | 1.6041 | 244.2968 | 101.9878 | 1.00312 | 6.000 |
| 2025 Nov 13 18:56 | 2025 Nov 08 13:24:54 | 10.8631 | 0.00078 | 1.6041 | 244.2968 | 101.9878 | 1.00312 | 6.000 |
| 2025 Nov 12 18:57 | 2025 Nov 08 13:24:54 | 10.8631 | 0.00078 | 1.6041 | 244.2968 | 101.9878 | 1.00312 | 6.000 |
| 2025 Nov 11 18:55 | 2025 Nov 08 13:24:54 | 10.8631 | 0.00078 | 1.6041 | 244.2968 | 101.9878 | 1.00312 | 6.000 |
| 2025 Nov 10 18:57 | 2025 Nov 08 13:24:54 | 10.8631 | 0.00078 | 1.6041 | 244.2968 | 101.9878 | 1.00312 | 6.000 |
| 2025 Nov 09 18:57 | 2025 Nov 08 13:24:54 | 10.8631 | 0.00078 | 1.6041 | 244.2968 | 101.9878 | 1.00312 | 6.000 |
| 2025 Nov 08 18:56 | 2025 Nov 01 16:33:28 | 10.8536 | 0.00072 | 1.6062 | 240.5087 | 101.9878 | 1.00312 | 6.000 |
| 2025 Nov 07 18:57 | 2025 Nov 01 16:33:28 | 10.8536 | 0.00072 | 1.6062 | 240.5087 | 101.9878 | 1.00312 | 6.000 |
| 2025 Nov 05 18:57 | 2025 Nov 01 16:33:28 | 10.8536 | 0.00072 | 1.6062 | 240.5087 | 101.9878 | 1.00312 | 6.000 |
| 2025 Nov 04 18:57 | 2025 Nov 01 16:33:28 | 10.8536 | 0.00072 | 1.6062 | 240.5087 | 101.9878 | 1.00312 | 6.000 |
| 2025 Nov 03 18:57 | 2025 Nov 01 16:33:28 | 10.8536 | 0.00072 | 1.6062 | 240.5087 | 101.9878 | 1.00312 | 6.000 |
| 2025 Nov 02 18:57 | 2025 Oct 28 13:31:38 | 10.8486 | 0.00068 | 1.6077 | 240.2028 | 101.9878 | 1.00312 | 6.000 |
| 2025 Nov 01 18:58 | 2025 Oct 28 13:31:38 | 10.8486 | 0.00068 | 1.6077 | 240.2028 | 101.9878 | 1.00312 | 6.000 |
| 2025 Oct 31 18:57 | 2025 Oct 28 13:31:38 | 10.8486 | 0.00068 | 1.6077 | 240.2028 | 101.9878 | 1.00312 | 6.000 |