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 05 18:57 | 2025 Nov 01 16:33:28 | 10.8536 | 0.00072 | 1.6062 | 240.5087 | 163.0988 | 1.00321 | 6.000 |
| 2025 Nov 04 18:57 | 2025 Nov 01 16:33:28 | 10.8536 | 0.00072 | 1.6062 | 240.5087 | 163.0988 | 1.00321 | 6.000 |
| 2025 Nov 03 18:57 | 2025 Nov 01 16:33:28 | 10.8536 | 0.00072 | 1.6062 | 240.5087 | 163.0988 | 1.00321 | 6.000 |
| 2025 Nov 02 18:57 | 2025 Oct 28 13:31:38 | 10.8486 | 0.00068 | 1.6077 | 240.2028 | 163.0988 | 1.00321 | 6.000 |
| 2025 Nov 01 18:58 | 2025 Oct 28 13:31:38 | 10.8486 | 0.00068 | 1.6077 | 240.2028 | 163.0988 | 1.00321 | 6.000 |
| 2025 Oct 31 18:57 | 2025 Oct 28 13:31:38 | 10.8486 | 0.00068 | 1.6077 | 240.2028 | 163.0988 | 1.00321 | 6.000 |
| 2025 Oct 30 18:57 | 2025 Oct 28 13:31:38 | 10.8486 | 0.00068 | 1.6077 | 240.2028 | 163.0988 | 1.00321 | 6.000 |
| 2025 Oct 29 18:57 | 2025 Oct 28 13:31:38 | 10.8486 | 0.00068 | 1.6077 | 240.2028 | 163.0988 | 1.00321 | 6.000 |
| 2025 Oct 28 18:57 | 2025 Oct 22 15:33:01 | 10.8420 | 0.00065 | 1.6101 | 240.5807 | 163.0988 | 1.00321 | 6.000 |
| 2025 Oct 27 18:57 | 2025 Oct 22 15:33:01 | 10.8420 | 0.00065 | 1.6101 | 240.5807 | 163.0988 | 1.00321 | 6.000 |
| 2025 Oct 26 18:57 | 2025 Oct 22 15:33:01 | 10.8420 | 0.00065 | 1.6101 | 240.5807 | 163.0988 | 1.00321 | 6.000 |
| 2025 Oct 25 17:57 | 2025 Oct 22 15:33:01 | 10.8420 | 0.00065 | 1.6101 | 240.5807 | 163.0988 | 1.00321 | 6.000 |
| 2025 Oct 24 17:57 | 2025 Oct 22 15:33:01 | 10.8420 | 0.00065 | 1.6101 | 240.5807 | 163.0988 | 1.00321 | 6.000 |
| 2025 Oct 22 17:56 | 2025 Oct 17 14:58:28 | 10.8364 | 0.00066 | 1.6122 | 239.7409 | 163.0988 | 1.00321 | 6.000 |
| 2025 Oct 21 17:56 | 2025 Oct 17 14:58:28 | 10.8364 | 0.00066 | 1.6122 | 239.7409 | 163.0988 | 1.00321 | 6.000 |
| 2025 Oct 20 17:56 | 2025 Oct 17 14:58:28 | 10.8364 | 0.00066 | 1.6122 | 239.7409 | 163.0988 | 1.00321 | 6.000 |
| 2025 Oct 19 17:56 | 2025 Oct 17 14:58:28 | 10.8364 | 0.00066 | 1.6122 | 239.7409 | 163.0988 | 1.00321 | 6.000 |
| 2025 Oct 18 17:56 | 2025 Oct 17 14:58:28 | 10.8364 | 0.00066 | 1.6122 | 239.7409 | 163.0988 | 1.00321 | 6.000 |
| 2025 Oct 17 17:56 | 2025 Oct 07 12:06:56 | 10.8232 | 0.00063 | 1.6154 | 233.1796 | 163.0988 | 1.00321 | 6.000 |
| 2025 Oct 16 17:56 | 2025 Oct 07 12:06:56 | 10.8232 | 0.00063 | 1.6154 | 233.1796 | 163.0988 | 1.00321 | 6.000 |
| 2025 Oct 15 17:56 | 2025 Oct 07 12:06:56 | 10.8232 | 0.00063 | 1.6154 | 233.1796 | 163.0988 | 1.00321 | 6.000 |
| 2025 Oct 14 17:56 | 2025 Oct 07 12:06:56 | 10.8232 | 0.00063 | 1.6154 | 233.1796 | 163.0988 | 1.00321 | 6.000 |
| 2025 Oct 12 17:56 | 2025 Oct 07 12:06:56 | 10.8232 | 0.00063 | 1.6154 | 233.1796 | 163.0988 | 1.00321 | 6.000 |
| 2025 Oct 11 17:57 | 2025 Oct 07 12:06:56 | 10.8232 | 0.00063 | 1.6154 | 233.1796 | 163.0988 | 1.00321 | 6.000 |