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 Oct 27 18:57 | 2025 Oct 27 06:27:38 | 17.2705 | 0.00026 | 2.0137 | 219.8502 | 152.7407 | 1.00271 | 3.243 |
| 2025 Oct 26 18:57 | 2025 Oct 26 07:39:02 | 17.2692 | 0.00025 | 2.0144 | 219.9563 | 152.7407 | 1.00271 | 3.243 |
| 2025 Oct 25 17:57 | 2025 Oct 25 05:50:15 | 17.2678 | 0.00025 | 2.0151 | 220.2660 | 152.7407 | 1.00271 | 3.243 |
| 2025 Oct 24 17:57 | 2025 Oct 23 05:53:21 | 17.2651 | 0.00024 | 2.0166 | 220.6835 | 152.7407 | 1.00271 | 3.243 |
| 2025 Oct 22 17:56 | 2025 Oct 21 07:23:54 | 17.2625 | 0.00024 | 2.0180 | 220.7167 | 152.7407 | 1.00271 | 3.243 |
| 2025 Oct 21 17:56 | 2025 Oct 20 06:38:21 | 17.2611 | 0.00024 | 2.0187 | 220.2444 | 152.7407 | 1.00271 | 3.243 |
| 2025 Oct 20 17:56 | 2025 Oct 20 06:38:21 | 17.2611 | 0.00024 | 2.0187 | 220.2444 | 152.7407 | 1.00271 | 3.243 |
| 2025 Oct 19 17:56 | 2025 Oct 19 05:59:13 | 17.2597 | 0.00025 | 2.0194 | 219.8174 | 152.7407 | 1.00271 | 3.243 |
| 2025 Oct 18 17:56 | 2025 Oct 18 06:00:46 | 17.2583 | 0.00025 | 2.0201 | 219.1732 | 152.7407 | 1.00271 | 3.243 |
| 2025 Oct 17 17:56 | 2025 Oct 16 06:03:40 | 17.2555 | 0.00027 | 2.0216 | 217.1526 | 152.7407 | 1.00271 | 3.243 |
| 2025 Oct 16 17:56 | 2025 Oct 14 10:00:03 | 17.2527 | 0.00026 | 2.0228 | 211.2124 | 152.7407 | 1.00271 | 3.243 |
| 2025 Oct 15 17:56 | 2025 Oct 14 10:00:03 | 17.2527 | 0.00026 | 2.0228 | 211.2124 | 152.7407 | 1.00271 | 3.243 |
| 2025 Oct 14 17:56 | 2025 Oct 13 07:08:38 | 17.2514 | 0.00026 | 2.0236 | 209.7803 | 152.7407 | 1.00271 | 3.243 |
| 2025 Oct 12 17:56 | 2025 Oct 12 06:09:39 | 17.2483 | 0.00027 | 2.0243 | 209.7600 | 152.7407 | 1.00271 | 3.243 |
| 2025 Oct 11 17:57 | 2025 Oct 10 06:12:34 | 17.2449 | 0.00027 | 2.0257 | 204.8628 | 152.7407 | 1.00271 | 3.243 |
| 2025 Oct 09 17:56 | 2025 Oct 08 06:50:38 | 17.2416 | 0.00026 | 2.0270 | 200.0509 | 152.7407 | 1.00271 | 3.243 |
| 2025 Oct 08 17:56 | 2025 Oct 07 07:48:18 | 17.2409 | 0.00028 | 2.0277 | 203.5462 | 152.7407 | 1.00271 | 3.243 |
| 2025 Oct 07 17:56 | 2025 Oct 07 00:42:12 | 17.2403 | 0.00028 | 2.0279 | 203.1630 | 152.7407 | 1.00271 | 3.243 |
| 2025 Oct 05 17:56 | 2025 Oct 01 20:06:45 | 17.2320 | 0.00022 | 2.0315 | 195.0208 | 152.7407 | 1.00271 | 3.243 |
| 2025 Oct 04 17:57 | 2025 Oct 01 20:06:45 | 17.2320 | 0.00022 | 2.0315 | 195.0208 | 152.7407 | 1.00271 | 3.243 |
| 2025 Oct 03 17:57 | 2025 Oct 01 20:06:45 | 17.2320 | 0.00022 | 2.0315 | 195.0208 | 152.7407 | 1.00271 | 3.243 |
| 2025 Oct 02 17:56 | 2025 Oct 01 20:06:45 | 17.2320 | 0.00022 | 2.0315 | 195.0208 | 152.7407 | 1.00271 | 3.243 |
| 2025 Sep 30 17:56 | 2025 Sep 30 08:08:43 | 17.2298 | 0.00021 | 2.0326 | 193.6480 | 152.7407 | 1.00271 | 3.243 |