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 May 09 17:57 | 2025 May 08 18:07:33 | 10.6424 | 0.00039 | 1.6724 | 259.8894 | 294.0646 | 1.00399 | 6.000 |
| 2025 May 08 17:56 | 2025 May 03 09:36:51 | 10.6363 | 0.00043 | 1.6743 | 257.9204 | 294.0646 | 1.00399 | 6.000 |
| 2025 May 07 17:56 | 2025 May 03 09:36:51 | 10.6363 | 0.00043 | 1.6743 | 257.9204 | 294.0646 | 1.00399 | 6.000 |
| 2025 May 06 17:57 | 2025 May 03 09:36:51 | 10.6363 | 0.00043 | 1.6743 | 257.9204 | 294.0646 | 1.00399 | 6.000 |
| 2025 May 05 17:56 | 2025 May 03 09:36:51 | 10.6363 | 0.00043 | 1.6743 | 257.9204 | 294.0646 | 1.00399 | 6.000 |
| 2025 May 04 17:57 | 2025 May 03 09:36:51 | 10.6363 | 0.00043 | 1.6743 | 257.9204 | 294.0646 | 1.00399 | 6.000 |
| 2025 May 03 17:57 | 2025 May 03 09:36:51 | 10.6363 | 0.00043 | 1.6743 | 257.9204 | 294.0646 | 1.00399 | 6.000 |
| 2025 May 01 17:56 | 2025 Apr 21 19:58:17 | 10.6210 | 0.00043 | 1.6777 | 258.3708 | 294.0646 | 1.00399 | 6.000 |
| 2025 Apr 30 17:56 | 2025 Apr 21 19:58:17 | 10.6210 | 0.00043 | 1.6777 | 258.3708 | 294.0646 | 1.00399 | 6.000 |
| 2025 Apr 29 17:57 | 2025 Apr 21 19:58:17 | 10.6210 | 0.00043 | 1.6777 | 258.3708 | 294.0646 | 1.00399 | 6.000 |
| 2025 Apr 27 17:56 | 2025 Apr 21 19:58:17 | 10.6210 | 0.00043 | 1.6777 | 258.3708 | 294.0646 | 1.00399 | 6.000 |
| 2025 Apr 26 17:57 | 2025 Apr 21 19:58:17 | 10.6210 | 0.00043 | 1.6777 | 258.3708 | 294.0646 | 1.00399 | 6.000 |
| 2025 Apr 25 17:56 | 2025 Apr 21 19:58:17 | 10.6210 | 0.00043 | 1.6777 | 258.3708 | 294.0646 | 1.00399 | 6.000 |
| 2025 Apr 24 17:56 | 2025 Apr 21 19:58:17 | 10.6210 | 0.00043 | 1.6777 | 258.3708 | 294.0646 | 1.00399 | 6.000 |
| 2025 Apr 23 17:57 | 2025 Apr 21 19:58:17 | 10.6210 | 0.00043 | 1.6777 | 258.3708 | 294.0646 | 1.00399 | 6.000 |
| 2025 Apr 22 17:56 | 2025 Apr 21 19:58:17 | 10.6210 | 0.00043 | 1.6777 | 258.3708 | 294.0646 | 1.00399 | 6.000 |
| 2025 Apr 21 17:57 | 2025 Apr 15 20:01:01 | 10.6141 | 0.00046 | 1.6799 | 262.5138 | 294.0646 | 1.00399 | 6.000 |
| 2025 Apr 20 17:56 | 2025 Apr 15 20:01:01 | 10.6141 | 0.00046 | 1.6799 | 262.5138 | 294.0646 | 1.00399 | 6.000 |
| 2025 Apr 19 17:56 | 2025 Apr 15 20:01:01 | 10.6141 | 0.00046 | 1.6799 | 262.5138 | 294.0646 | 1.00399 | 6.000 |
| 2025 Apr 18 17:57 | 2025 Apr 15 20:01:01 | 10.6141 | 0.00046 | 1.6799 | 262.5138 | 294.0646 | 1.00399 | 6.000 |
| 2025 Apr 17 17:56 | 2025 Apr 15 20:01:01 | 10.6141 | 0.00046 | 1.6799 | 262.5138 | 294.0646 | 1.00399 | 6.000 |
| 2025 Apr 16 17:57 | 2025 Apr 15 20:01:01 | 10.6141 | 0.00046 | 1.6799 | 262.5138 | 294.0646 | 1.00399 | 6.000 |
| 2025 Apr 15 17:56 | 2025 Apr 10 20:44:38 | 10.6087 | 0.00052 | 1.6818 | 262.3464 | 294.0646 | 1.00399 | 6.000 |
| 2025 Apr 14 17:56 | 2025 Apr 10 20:44:38 | 10.6087 | 0.00052 | 1.6818 | 262.3464 | 294.0646 | 1.00399 | 6.000 |