Orbital elements of USA 143
| Launched | 29 April 1999 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 25724 |
| Alternative names |
MILSTAR-2 1 |
| 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 Jan 14 18:56 | 2025 Jan 12 12:24:24 | 28.2222 | 0.21293 | 9.9352 | 341.5960 | 11.7688 | 9.37510 | 3.243 |
| 2025 Jan 13 18:56 | 2025 Jan 12 12:24:24 | 28.2222 | 0.21293 | 9.9352 | 341.5960 | 11.7688 | 9.37510 | 3.243 |
| 2025 Jan 12 18:55 | 2025 Jan 12 12:24:24 | 28.2222 | 0.21293 | 9.9352 | 341.5960 | 11.7688 | 9.37510 | 3.243 |
| 2025 Jan 11 18:54 | 2025 Jan 07 12:10:49 | 28.2249 | 0.21296 | 10.7341 | 322.0008 | 11.7688 | 9.37510 | 3.243 |
| 2025 Jan 10 19:20 | 2025 Jan 07 12:10:49 | 28.2249 | 0.21296 | 10.7341 | 322.0008 | 11.7688 | 9.37510 | 3.243 |
| 2025 Jan 09 18:54 | 2025 Jan 07 12:10:49 | 28.2249 | 0.21296 | 10.7341 | 322.0008 | 11.7688 | 9.37510 | 3.243 |
| 2025 Jan 08 18:53 | 2025 Jan 07 12:10:49 | 28.2249 | 0.21296 | 10.7341 | 322.0008 | 11.7688 | 9.37510 | 3.243 |
| 2025 Jan 07 18:54 | 2025 Jan 07 12:10:49 | 28.2249 | 0.21296 | 10.7341 | 322.0008 | 11.7688 | 9.37510 | 3.243 |
| 2025 Jan 06 18:53 | 2025 Jan 01 18:03:25 | 28.2276 | 0.21299 | 11.6518 | 299.4966 | 11.7688 | 9.37510 | 3.243 |
| 2025 Jan 05 18:53 | 2025 Jan 01 18:03:25 | 28.2276 | 0.21299 | 11.6518 | 299.4966 | 11.7688 | 9.37510 | 3.243 |
| 2025 Jan 04 18:53 | 2025 Jan 01 18:03:25 | 28.2276 | 0.21299 | 11.6518 | 299.4966 | 11.7688 | 9.37510 | 3.243 |
| 2025 Jan 03 18:53 | 2025 Jan 01 18:03:25 | 28.2276 | 0.21299 | 11.6518 | 299.4966 | 11.7688 | 9.37510 | 3.243 |
| 2025 Jan 02 18:53 | 2025 Jan 01 18:03:25 | 28.2276 | 0.21299 | 11.6518 | 299.4966 | 11.7688 | 9.37510 | 3.243 |
| 2025 Jan 01 18:53 | 2024 Dec 31 19:02:17 | 28.2281 | 0.21299 | 11.8047 | 295.7467 | 11.7688 | 9.37510 | 3.243 |
| 2024 Dec 31 18:53 | 2024 Dec 26 21:23:34 | 28.2294 | 0.21300 | 12.5861 | 276.5845 | 11.7688 | 9.37510 | 3.243 |
| 2024 Dec 30 18:53 | 2024 Dec 26 21:23:34 | 28.2294 | 0.21300 | 12.5861 | 276.5845 | 11.7688 | 9.37510 | 3.243 |
| 2024 Dec 29 20:34 | 2024 Dec 26 21:23:34 | 28.2294 | 0.21300 | 12.5861 | 276.5845 | 11.7688 | 9.37510 | 3.243 |
| 2024 Dec 28 18:53 | 2024 Dec 26 21:23:34 | 28.2294 | 0.21300 | 12.5861 | 276.5845 | 11.7688 | 9.37510 | 3.243 |
| 2024 Dec 27 18:53 | 2024 Dec 26 21:23:34 | 28.2294 | 0.21300 | 12.5861 | 276.5845 | 11.7688 | 9.37510 | 3.243 |
| 2024 Dec 26 18:53 | 2024 Dec 22 12:32:56 | 28.2295 | 0.21300 | 13.2825 | 259.5097 | 11.7688 | 9.37510 | 3.243 |
| 2024 Dec 25 18:53 | 2024 Dec 22 12:32:56 | 28.2295 | 0.21300 | 13.2825 | 259.5097 | 11.7688 | 9.37510 | 3.243 |
| 2024 Dec 24 18:53 | 2024 Dec 22 12:32:56 | 28.2295 | 0.21300 | 13.2825 | 259.5097 | 11.7688 | 9.37510 | 3.243 |
| 2024 Dec 23 19:54 | 2024 Dec 22 12:32:56 | 28.2295 | 0.21300 | 13.2825 | 259.5097 | 11.7688 | 9.37510 | 3.243 |
| 2024 Dec 22 18:53 | 2024 Dec 22 12:32:56 | 28.2295 | 0.21300 | 13.2825 | 259.5097 | 11.7688 | 9.37510 | 3.243 |
| 2024 Dec 21 18:53 | 2024 Dec 15 19:28:44 | 28.2275 | 0.21297 | 14.3525 | 233.2708 | 11.7688 | 9.37510 | 3.243 |
| 2024 Dec 20 18:53 | 2024 Dec 15 19:28:44 | 28.2275 | 0.21297 | 14.3525 | 233.2708 | 11.7688 | 9.37510 | 3.243 |
| 2024 Dec 19 18:53 | 2024 Dec 15 19:28:44 | 28.2275 | 0.21297 | 14.3525 | 233.2708 | 11.7688 | 9.37510 | 3.243 |
| 2024 Dec 18 18:53 | 2024 Dec 15 19:28:44 | 28.2275 | 0.21297 | 14.3525 | 233.2708 | 11.7688 | 9.37510 | 3.243 |