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 Sep 03 17:57 | 2025 Sep 03 00:09:07 | 17.1880 | 0.00016 | 2.0518 | 161.4553 | 62.4327 | 1.00271 | 3.243 |
| 2025 Sep 02 17:56 | 2025 Sep 02 06:49:16 | 17.1870 | 0.00015 | 2.0524 | 159.9169 | 62.4327 | 1.00271 | 3.243 |
| 2025 Sep 01 17:56 | 2025 Aug 31 20:45:08 | 17.1849 | 0.00014 | 2.0534 | 157.8535 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 31 17:56 | 2025 Aug 30 09:03:38 | 17.1828 | 0.00013 | 2.0545 | 156.6306 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 30 17:56 | 2025 Aug 29 20:47:14 | 17.1821 | 0.00013 | 2.0548 | 156.1256 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 29 17:56 | 2025 Aug 28 09:30:38 | 17.1801 | 0.00012 | 2.0559 | 156.5282 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 28 17:57 | 2025 Aug 27 09:54:38 | 17.1787 | 0.00012 | 2.0566 | 157.1150 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 27 17:56 | 2025 Aug 26 09:51:38 | 17.1773 | 0.00012 | 2.0573 | 158.0928 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 26 17:56 | 2025 Aug 25 10:00:38 | 17.1759 | 0.00011 | 2.0580 | 159.1926 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 25 17:56 | 2025 Aug 24 14:02:01 | 17.1747 | 0.00011 | 2.0586 | 160.1305 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 24 17:56 | 2025 Aug 23 10:36:49 | 17.1730 | 0.00012 | 2.0595 | 161.4552 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 23 17:56 | 2025 Aug 22 10:37:53 | 17.1715 | 0.00012 | 2.0602 | 162.1835 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 22 17:56 | 2025 Aug 20 09:55:38 | 17.1684 | 0.00013 | 2.0616 | 162.1553 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 20 17:56 | 2025 Aug 20 09:55:38 | 17.1684 | 0.00013 | 2.0616 | 162.1553 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 19 17:56 | 2025 Aug 19 01:14:17 | 17.1663 | 0.00013 | 2.0625 | 160.2115 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 18 17:56 | 2025 Aug 17 10:43:16 | 17.1636 | 0.00014 | 2.0637 | 157.6417 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 16 17:56 | 2025 Aug 15 22:44:53 | 17.1611 | 0.00014 | 2.0647 | 152.4361 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 15 17:57 | 2025 Aug 14 11:45:07 | 17.1586 | 0.00014 | 2.0657 | 146.6559 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 14 17:56 | 2025 Aug 13 11:15:08 | 17.1569 | 0.00014 | 2.0665 | 142.2546 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 13 17:58 | 2025 Aug 12 10:41:52 | 17.1553 | 0.00014 | 2.0672 | 137.6090 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 12 17:56 | 2025 Aug 11 10:49:39 | 17.1537 | 0.00014 | 2.0679 | 133.5830 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 11 17:56 | 2025 Aug 11 10:49:39 | 17.1537 | 0.00014 | 2.0679 | 133.5830 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 10 17:57 | 2025 Aug 09 22:51:12 | 17.1513 | 0.00014 | 2.0690 | 126.3044 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 09 17:56 | 2025 Aug 08 10:52:43 | 17.1488 | 0.00013 | 2.0701 | 117.1977 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 08 17:56 | 2025 Aug 08 10:52:43 | 17.1488 | 0.00013 | 2.0701 | 117.1977 | 62.4327 | 1.00271 | 3.243 |
| 2025 Aug 07 17:56 | 2025 Aug 06 11:44:47 | 17.1460 | 0.00014 | 2.0715 | 121.4443 | 62.4327 | 1.00271 | 3.243 |