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 |
| 2026 Apr 13 17:57 | 2026 Apr 12 14:53:11 | 11.0525 | 0.00064 | 1.5435 | 275.3642 | 278.3098 | 1.00280 | 6.000 |
| 2026 Apr 12 17:57 | 2026 Apr 08 13:20:36 | 11.0477 | 0.00065 | 1.5452 | 277.0370 | 278.3098 | 1.00280 | 6.000 |
| 2026 Apr 11 17:57 | 2026 Apr 08 13:20:36 | 11.0477 | 0.00065 | 1.5452 | 277.0370 | 278.3098 | 1.00280 | 6.000 |
| 2026 Apr 10 17:58 | 2026 Apr 08 13:20:36 | 11.0477 | 0.00065 | 1.5452 | 277.0370 | 278.3098 | 1.00280 | 6.000 |
| 2026 Apr 09 18:01 | 2026 Apr 08 13:20:36 | 11.0477 | 0.00065 | 1.5452 | 277.0370 | 278.3098 | 1.00280 | 6.000 |
| 2026 Apr 08 17:57 | 2026 Apr 08 13:20:36 | 11.0477 | 0.00065 | 1.5452 | 277.0370 | 278.3098 | 1.00280 | 6.000 |
| 2026 Apr 07 17:57 | 2026 Apr 01 15:14:23 | 11.0398 | 0.00071 | 1.5482 | 276.7404 | 278.3098 | 1.00280 | 6.000 |
| 2026 Apr 06 17:57 | 2026 Apr 01 15:14:23 | 11.0398 | 0.00071 | 1.5482 | 276.7404 | 278.3098 | 1.00280 | 6.000 |
| 2026 Apr 05 17:56 | 2026 Apr 01 15:14:23 | 11.0398 | 0.00071 | 1.5482 | 276.7404 | 278.3098 | 1.00280 | 6.000 |
| 2026 Apr 04 17:57 | 2026 Apr 01 15:14:23 | 11.0398 | 0.00071 | 1.5482 | 276.7404 | 278.3098 | 1.00280 | 6.000 |
| 2026 Apr 03 17:56 | 2026 Apr 01 15:14:23 | 11.0398 | 0.00071 | 1.5482 | 276.7404 | 278.3098 | 1.00280 | 6.000 |
| 2026 Apr 02 18:03 | 2026 Apr 01 15:14:23 | 11.0398 | 0.00071 | 1.5482 | 276.7404 | 278.3098 | 1.00280 | 6.000 |
| 2026 Mar 31 17:57 | 2026 Mar 25 15:37:48 | 11.0311 | 0.00077 | 1.5508 | 272.6031 | 278.3098 | 1.00280 | 6.000 |
| 2026 Mar 30 17:58 | 2026 Mar 25 15:37:48 | 11.0311 | 0.00077 | 1.5508 | 272.6031 | 278.3098 | 1.00280 | 6.000 |
| 2026 Mar 29 17:57 | 2026 Mar 25 15:37:48 | 11.0311 | 0.00077 | 1.5508 | 272.6031 | 278.3098 | 1.00280 | 6.000 |
| 2026 Mar 28 18:57 | 2026 Mar 25 15:37:48 | 11.0311 | 0.00077 | 1.5508 | 272.6031 | 278.3098 | 1.00280 | 6.000 |
| 2026 Mar 27 18:57 | 2026 Mar 25 15:37:48 | 11.0311 | 0.00077 | 1.5508 | 272.6031 | 278.3098 | 1.00280 | 6.000 |
| 2026 Mar 26 18:57 | 2026 Mar 25 15:37:48 | 11.0311 | 0.00077 | 1.5508 | 272.6031 | 278.3098 | 1.00280 | 6.000 |
| 2026 Mar 25 18:56 | 2026 Mar 20 12:55:37 | 11.0240 | 0.00076 | 1.5526 | 270.9101 | 278.3098 | 1.00280 | 6.000 |
| 2026 Mar 24 18:56 | 2026 Mar 20 12:55:37 | 11.0240 | 0.00076 | 1.5526 | 270.9101 | 278.3098 | 1.00280 | 6.000 |
| 2026 Mar 23 18:56 | 2026 Mar 20 12:55:37 | 11.0240 | 0.00076 | 1.5526 | 270.9101 | 278.3098 | 1.00280 | 6.000 |
| 2026 Mar 22 18:56 | 2026 Mar 20 12:55:37 | 11.0240 | 0.00076 | 1.5526 | 270.9101 | 278.3098 | 1.00280 | 6.000 |
| 2026 Mar 21 19:05 | 2026 Mar 20 12:55:37 | 11.0240 | 0.00076 | 1.5526 | 270.9101 | 278.3098 | 1.00280 | 6.000 |
| 2026 Mar 20 18:57 | 2026 Mar 20 12:55:37 | 11.0240 | 0.00076 | 1.5526 | 270.9101 | 278.3098 | 1.00280 | 6.000 |
| 2026 Mar 19 18:56 | 2026 Mar 15 04:03:23 | 11.0169 | 0.00075 | 1.5547 | 272.0183 | 278.3098 | 1.00280 | 6.000 |
| 2026 Mar 18 18:56 | 2026 Mar 15 04:03:23 | 11.0169 | 0.00075 | 1.5547 | 272.0183 | 278.3098 | 1.00280 | 6.000 |
| 2026 Mar 17 18:56 | 2026 Mar 15 04:03:23 | 11.0169 | 0.00075 | 1.5547 | 272.0183 | 278.3098 | 1.00280 | 6.000 |
| 2026 Mar 16 18:57 | 2026 Mar 15 04:03:23 | 11.0169 | 0.00075 | 1.5547 | 272.0183 | 278.3098 | 1.00280 | 6.000 |