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 Jun 30 17:56 | 2025 Jun 28 00:34:38 | 10.7008 | 0.00035 | 1.6544 | 241.3137 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 29 17:56 | 2025 Jun 28 00:34:38 | 10.7008 | 0.00035 | 1.6544 | 241.3137 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 28 17:56 | 2025 Jun 28 00:34:38 | 10.7008 | 0.00035 | 1.6544 | 241.3137 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 27 17:56 | 2025 Jun 22 13:58:38 | 10.6938 | 0.00035 | 1.6562 | 238.3837 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 26 17:56 | 2025 Jun 22 13:58:38 | 10.6938 | 0.00035 | 1.6562 | 238.3837 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 25 17:56 | 2025 Jun 22 13:58:38 | 10.6938 | 0.00035 | 1.6562 | 238.3837 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 24 17:56 | 2025 Jun 22 13:58:38 | 10.6938 | 0.00035 | 1.6562 | 238.3837 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 23 17:56 | 2025 Jun 22 13:58:38 | 10.6938 | 0.00035 | 1.6562 | 238.3837 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 22 17:56 | 2025 Jun 17 12:29:18 | 10.6873 | 0.00032 | 1.6579 | 238.9304 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 21 17:56 | 2025 Jun 17 12:29:18 | 10.6873 | 0.00032 | 1.6579 | 238.9304 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 20 17:57 | 2025 Jun 17 12:29:18 | 10.6873 | 0.00032 | 1.6579 | 238.9304 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 19 17:56 | 2025 Jun 17 12:29:18 | 10.6873 | 0.00032 | 1.6579 | 238.9304 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 18 17:56 | 2025 Jun 17 12:29:18 | 10.6873 | 0.00032 | 1.6579 | 238.9304 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 17 17:56 | 2025 Jun 17 12:29:18 | 10.6873 | 0.00032 | 1.6579 | 238.9304 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 16 17:56 | 2025 Jun 11 21:13:57 | 10.6812 | 0.00029 | 1.6601 | 245.3205 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 15 17:56 | 2025 Jun 11 21:13:57 | 10.6812 | 0.00029 | 1.6601 | 245.3205 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 14 17:56 | 2025 Jun 11 21:13:57 | 10.6812 | 0.00029 | 1.6601 | 245.3205 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 13 17:56 | 2025 Jun 11 21:13:57 | 10.6812 | 0.00029 | 1.6601 | 245.3205 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 12 17:56 | 2025 Jun 11 21:13:57 | 10.6812 | 0.00029 | 1.6601 | 245.3205 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 11 17:56 | 2025 Jun 05 19:59:35 | 10.6750 | 0.00032 | 1.6625 | 251.6050 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 10 17:56 | 2025 Jun 05 19:59:35 | 10.6750 | 0.00032 | 1.6625 | 251.6050 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 09 17:56 | 2025 Jun 05 19:59:35 | 10.6750 | 0.00032 | 1.6625 | 251.6050 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 08 17:56 | 2025 Jun 05 19:59:35 | 10.6750 | 0.00032 | 1.6625 | 251.6050 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 07 17:56 | 2025 Jun 05 19:59:35 | 10.6750 | 0.00032 | 1.6625 | 251.6050 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 06 17:56 | 2025 Jun 05 19:59:35 | 10.6750 | 0.00032 | 1.6625 | 251.6050 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 05 17:56 | 2025 Jun 01 15:05:16 | 10.6705 | 0.00035 | 1.6641 | 250.1916 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 04 17:57 | 2025 Jun 01 15:05:16 | 10.6705 | 0.00035 | 1.6641 | 250.1916 | 121.0181 | 1.00384 | 6.000 |
| 2025 Jun 03 17:57 | 2025 Jun 01 15:05:16 | 10.6705 | 0.00035 | 1.6641 | 250.1916 | 121.0181 | 1.00384 | 6.000 |