Orbital elements of USA 99
| Launched | 6 February 1994 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 22988 |
| Alternative names |
MILSTAR-1 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 May 08 17:56 | 2025 May 08 06:28:31 | 17.0139 | 0.00022 | 2.1358 | 355.3666 | 206.0720 | 1.00272 | 3.243 |
| 2025 May 07 17:56 | 2025 May 07 05:38:23 | 17.0125 | 0.00021 | 2.1365 | 352.6454 | 206.0720 | 1.00272 | 3.243 |
| 2025 May 06 17:57 | 2025 May 05 08:37:23 | 17.0099 | 0.00020 | 2.1378 | 347.8284 | 206.0720 | 1.00272 | 3.243 |
| 2025 May 05 17:56 | 2025 May 05 08:37:23 | 17.0099 | 0.00020 | 2.1378 | 347.8284 | 206.0720 | 1.00272 | 3.243 |
| 2025 May 04 17:57 | 2025 May 04 07:53:58 | 17.0084 | 0.00020 | 2.1385 | 345.6093 | 206.0720 | 1.00272 | 3.243 |
| 2025 May 03 17:57 | 2025 May 02 07:14:08 | 17.0052 | 0.00019 | 2.1399 | 341.9730 | 206.0720 | 1.00272 | 3.243 |
| 2025 May 02 17:57 | 2025 May 02 07:14:08 | 17.0052 | 0.00019 | 2.1399 | 341.9730 | 206.0720 | 1.00272 | 3.243 |
| 2025 May 01 17:56 | 2025 Apr 28 06:18:19 | 16.9985 | 0.00018 | 2.1427 | 342.3558 | 206.0720 | 1.00272 | 3.243 |
| 2025 Apr 30 17:56 | 2025 Apr 28 06:18:19 | 16.9985 | 0.00018 | 2.1427 | 342.3558 | 206.0720 | 1.00272 | 3.243 |
| 2025 Apr 29 17:57 | 2025 Apr 28 06:18:19 | 16.9985 | 0.00018 | 2.1427 | 342.3558 | 206.0720 | 1.00272 | 3.243 |
| 2025 Apr 27 17:56 | 2025 Apr 26 08:05:41 | 16.9951 | 0.00018 | 2.1440 | 341.9384 | 206.0720 | 1.00272 | 3.243 |
| 2025 Apr 26 17:57 | 2025 Apr 26 08:05:41 | 16.9951 | 0.00018 | 2.1440 | 341.9384 | 206.0720 | 1.00272 | 3.243 |
| 2025 Apr 25 17:56 | 2025 Apr 25 04:52:06 | 16.9932 | 0.00018 | 2.1448 | 342.8989 | 206.0720 | 1.00272 | 3.243 |
| 2025 Apr 24 17:56 | 2025 Apr 22 09:07:35 | 16.9886 | 0.00020 | 2.1467 | 346.5090 | 206.0720 | 1.00272 | 3.243 |
| 2025 Apr 23 17:57 | 2025 Apr 22 09:07:35 | 16.9886 | 0.00020 | 2.1467 | 346.5090 | 206.0720 | 1.00272 | 3.243 |
| 2025 Apr 22 17:56 | 2025 Apr 22 09:07:35 | 16.9886 | 0.00020 | 2.1467 | 346.5090 | 206.0720 | 1.00272 | 3.243 |
| 2025 Apr 21 17:57 | 2025 Apr 20 09:38:20 | 16.9856 | 0.00021 | 2.1481 | 345.7413 | 206.0720 | 1.00272 | 3.243 |
| 2025 Apr 20 17:56 | 2025 Apr 20 09:38:20 | 16.9856 | 0.00021 | 2.1481 | 345.7413 | 206.0720 | 1.00272 | 3.243 |
| 2025 Apr 19 17:56 | 2025 Apr 19 07:31:41 | 16.9840 | 0.00023 | 2.1488 | 339.8360 | 206.0720 | 1.00272 | 3.243 |
| 2025 Apr 18 17:57 | 2025 Apr 17 07:14:33 | 16.9812 | 0.00023 | 2.1502 | 349.8390 | 206.0720 | 1.00272 | 3.243 |
| 2025 Apr 17 17:56 | 2025 Apr 16 07:14:58 | 16.9799 | 0.00024 | 2.1509 | 347.9215 | 206.0720 | 1.00272 | 3.243 |
| 2025 Apr 16 17:57 | 2025 Apr 15 20:06:28 | 16.9792 | 0.00024 | 2.1513 | 346.8793 | 206.0720 | 1.00272 | 3.243 |
| 2025 Apr 15 17:56 | 2025 Apr 15 12:47:03 | 16.9788 | 0.00024 | 2.1515 | 346.2457 | 206.0720 | 1.00272 | 3.243 |
| 2025 Apr 14 17:56 | 2025 Apr 14 10:05:59 | 16.9773 | 0.00025 | 2.1523 | 343.8442 | 206.0720 | 1.00272 | 3.243 |
| 2025 Apr 11 17:57 | 2025 Apr 11 08:22:25 | 16.9731 | 0.00025 | 2.1545 | 336.2990 | 206.0720 | 1.00272 | 3.243 |