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 Mar 29 17:57 | 2026 Mar 25 15:37:48 | 11.0311 | 0.00077 | 1.5508 | 272.6031 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 28 18:57 | 2026 Mar 25 15:37:48 | 11.0311 | 0.00077 | 1.5508 | 272.6031 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 27 18:57 | 2026 Mar 25 15:37:48 | 11.0311 | 0.00077 | 1.5508 | 272.6031 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 26 18:57 | 2026 Mar 25 15:37:48 | 11.0311 | 0.00077 | 1.5508 | 272.6031 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 25 18:56 | 2026 Mar 20 12:55:37 | 11.0240 | 0.00076 | 1.5526 | 270.9101 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 24 18:56 | 2026 Mar 20 12:55:37 | 11.0240 | 0.00076 | 1.5526 | 270.9101 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 23 18:56 | 2026 Mar 20 12:55:37 | 11.0240 | 0.00076 | 1.5526 | 270.9101 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 22 18:56 | 2026 Mar 20 12:55:37 | 11.0240 | 0.00076 | 1.5526 | 270.9101 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 21 19:05 | 2026 Mar 20 12:55:37 | 11.0240 | 0.00076 | 1.5526 | 270.9101 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 20 18:57 | 2026 Mar 20 12:55:37 | 11.0240 | 0.00076 | 1.5526 | 270.9101 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 19 18:56 | 2026 Mar 15 04:03:23 | 11.0169 | 0.00075 | 1.5547 | 272.0183 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 18 18:56 | 2026 Mar 15 04:03:23 | 11.0169 | 0.00075 | 1.5547 | 272.0183 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 17 18:56 | 2026 Mar 15 04:03:23 | 11.0169 | 0.00075 | 1.5547 | 272.0183 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 16 18:57 | 2026 Mar 15 04:03:23 | 11.0169 | 0.00075 | 1.5547 | 272.0183 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 15 18:56 | 2026 Mar 15 04:03:23 | 11.0169 | 0.00075 | 1.5547 | 272.0183 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 14 18:56 | 2026 Mar 10 04:27:38 | 11.0110 | 0.00077 | 1.5569 | 273.0368 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 13 18:57 | 2026 Mar 10 04:27:38 | 11.0110 | 0.00077 | 1.5569 | 273.0368 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 12 18:57 | 2026 Mar 10 04:27:38 | 11.0110 | 0.00077 | 1.5569 | 273.0368 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 11 18:56 | 2026 Mar 10 04:27:38 | 11.0110 | 0.00077 | 1.5569 | 273.0368 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 10 18:56 | 2026 Mar 10 04:27:38 | 11.0110 | 0.00077 | 1.5569 | 273.0368 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 09 18:56 | 2026 Mar 03 16:39:27 | 11.0034 | 0.00082 | 1.5596 | 271.2631 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 08 18:57 | 2026 Mar 03 16:39:27 | 11.0034 | 0.00082 | 1.5596 | 271.2631 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 07 18:57 | 2026 Mar 03 16:39:27 | 11.0034 | 0.00082 | 1.5596 | 271.2631 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 06 18:56 | 2026 Mar 03 16:39:27 | 11.0034 | 0.00082 | 1.5596 | 271.2631 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 05 18:56 | 2026 Mar 03 16:39:27 | 11.0034 | 0.00082 | 1.5596 | 271.2631 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 04 18:57 | 2026 Mar 03 16:39:27 | 11.0034 | 0.00082 | 1.5596 | 271.2631 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 03 18:56 | 2026 Feb 26 05:48:30 | 10.9964 | 0.00084 | 1.5616 | 268.2197 | 273.7890 | 1.00283 | 6.000 |
| 2026 Mar 02 18:57 | 2026 Feb 26 05:48:30 | 10.9964 | 0.00084 | 1.5616 | 268.2197 | 273.7890 | 1.00283 | 6.000 |