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 Dec 07 18:56 | 2025 Dec 07 00:06:51 | 10.8974 | 0.00085 | 1.5936 | 253.0645 | 304.2244 | 1.00308 | 6.000 |
| 2025 Dec 06 18:56 | 2025 Dec 02 11:21:38 | 10.8912 | 0.00083 | 1.5950 | 250.2767 | 304.2244 | 1.00308 | 6.000 |
| 2025 Dec 05 18:57 | 2025 Dec 02 11:21:38 | 10.8912 | 0.00083 | 1.5950 | 250.2767 | 304.2244 | 1.00308 | 6.000 |
| 2025 Dec 04 18:57 | 2025 Dec 02 11:21:38 | 10.8912 | 0.00083 | 1.5950 | 250.2767 | 304.2244 | 1.00308 | 6.000 |
| 2025 Dec 03 18:56 | 2025 Dec 02 11:21:38 | 10.8912 | 0.00083 | 1.5950 | 250.2767 | 304.2244 | 1.00308 | 6.000 |
| 2025 Dec 02 18:56 | 2025 Dec 02 11:21:38 | 10.8912 | 0.00083 | 1.5950 | 250.2767 | 304.2244 | 1.00308 | 6.000 |
| 2025 Nov 30 18:57 | 2025 Nov 25 11:14:23 | 10.8824 | 0.00077 | 1.5975 | 249.1957 | 304.2244 | 1.00308 | 6.000 |
| 2025 Nov 29 18:56 | 2025 Nov 25 11:14:23 | 10.8824 | 0.00077 | 1.5975 | 249.1957 | 304.2244 | 1.00308 | 6.000 |
| 2025 Nov 28 18:57 | 2025 Nov 25 11:14:23 | 10.8824 | 0.00077 | 1.5975 | 249.1957 | 304.2244 | 1.00308 | 6.000 |
| 2025 Nov 27 18:57 | 2025 Nov 25 11:14:23 | 10.8824 | 0.00077 | 1.5975 | 249.1957 | 304.2244 | 1.00308 | 6.000 |
| 2025 Nov 26 18:57 | 2025 Nov 25 11:14:23 | 10.8824 | 0.00077 | 1.5975 | 249.1957 | 304.2244 | 1.00308 | 6.000 |
| 2025 Nov 25 18:57 | 2025 Nov 25 11:14:23 | 10.8824 | 0.00077 | 1.5975 | 249.1957 | 304.2244 | 1.00308 | 6.000 |
| 2025 Nov 24 18:56 | 2025 Nov 19 14:24:03 | 10.8760 | 0.00075 | 1.6000 | 249.2259 | 304.2244 | 1.00308 | 6.000 |
| 2025 Nov 23 18:57 | 2025 Nov 19 14:24:03 | 10.8760 | 0.00075 | 1.6000 | 249.2259 | 304.2244 | 1.00308 | 6.000 |
| 2025 Nov 21 18:57 | 2025 Nov 19 14:24:03 | 10.8760 | 0.00075 | 1.6000 | 249.2259 | 304.2244 | 1.00308 | 6.000 |
| 2025 Nov 20 18:56 | 2025 Nov 19 14:24:03 | 10.8760 | 0.00075 | 1.6000 | 249.2259 | 304.2244 | 1.00308 | 6.000 |
| 2025 Nov 18 18:57 | 2025 Nov 08 13:24:54 | 10.8631 | 0.00078 | 1.6041 | 244.2968 | 304.2244 | 1.00308 | 6.000 |
| 2025 Nov 16 18:58 | 2025 Nov 08 13:24:54 | 10.8631 | 0.00078 | 1.6041 | 244.2968 | 304.2244 | 1.00308 | 6.000 |
| 2025 Nov 15 18:57 | 2025 Nov 08 13:24:54 | 10.8631 | 0.00078 | 1.6041 | 244.2968 | 304.2244 | 1.00308 | 6.000 |
| 2025 Nov 13 18:56 | 2025 Nov 08 13:24:54 | 10.8631 | 0.00078 | 1.6041 | 244.2968 | 304.2244 | 1.00308 | 6.000 |
| 2025 Nov 12 18:57 | 2025 Nov 08 13:24:54 | 10.8631 | 0.00078 | 1.6041 | 244.2968 | 304.2244 | 1.00308 | 6.000 |
| 2025 Nov 11 18:55 | 2025 Nov 08 13:24:54 | 10.8631 | 0.00078 | 1.6041 | 244.2968 | 304.2244 | 1.00308 | 6.000 |
| 2025 Nov 10 18:57 | 2025 Nov 08 13:24:54 | 10.8631 | 0.00078 | 1.6041 | 244.2968 | 304.2244 | 1.00308 | 6.000 |