Orbital elements of USA 159
| Launched | 5 August 2001 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 26880 |
| Alternative names |
DSP 21 |
| 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 26 18:57 | 2025 Oct 26 02:18:38 | 12.5653 | 0.00007 | 1.2031 | 233.6015 | 128.4262 | 1.00281 | 3.000 |
| 2025 Oct 25 17:57 | 2025 Oct 24 05:36:50 | 12.5637 | 0.00007 | 1.2040 | 238.7174 | 128.4262 | 1.00281 | 3.000 |
| 2025 Oct 24 17:57 | 2025 Oct 23 02:39:17 | 12.5627 | 0.00013 | 1.2045 | 251.0400 | 128.4262 | 1.00281 | 3.000 |
| 2025 Oct 22 17:56 | 2025 Oct 22 02:40:52 | 12.5610 | 0.00016 | 1.2050 | 291.6326 | 128.4262 | 1.00281 | 3.000 |
| 2025 Oct 21 17:56 | 2025 Oct 20 02:43:47 | 12.5593 | 0.00017 | 1.2060 | 290.0144 | 128.4262 | 1.00281 | 3.000 |
| 2025 Oct 20 17:56 | 2025 Oct 20 02:43:47 | 12.5593 | 0.00017 | 1.2060 | 290.0144 | 128.4262 | 1.00281 | 3.000 |
| 2025 Oct 19 17:56 | 2025 Oct 19 02:45:17 | 12.5584 | 0.00017 | 1.2065 | 288.6524 | 128.4262 | 1.00281 | 3.000 |
| 2025 Oct 18 17:56 | 2025 Oct 18 02:46:49 | 12.5575 | 0.00017 | 1.2069 | 287.0407 | 128.4262 | 1.00281 | 3.000 |
| 2025 Oct 17 17:56 | 2025 Oct 17 02:48:19 | 12.5567 | 0.00018 | 1.2074 | 285.4578 | 128.4262 | 1.00281 | 3.000 |
| 2025 Oct 16 17:56 | 2025 Oct 16 02:49:43 | 12.5557 | 0.00018 | 1.2078 | 283.5525 | 128.4262 | 1.00281 | 3.000 |
| 2025 Oct 15 17:56 | 2025 Oct 14 02:52:47 | 12.5538 | 0.00018 | 1.2087 | 279.1936 | 128.4262 | 1.00281 | 3.000 |
| 2025 Oct 14 17:56 | 2025 Oct 13 02:54:10 | 12.5528 | 0.00018 | 1.2091 | 276.9365 | 128.4262 | 1.00281 | 3.000 |
| 2025 Oct 12 17:56 | 2025 Oct 12 00:54:38 | 12.5517 | 0.00017 | 1.2095 | 274.6648 | 128.4262 | 1.00281 | 3.000 |
| 2025 Oct 11 17:57 | 2025 Oct 11 02:42:38 | 12.5507 | 0.00017 | 1.2099 | 272.8931 | 128.4262 | 1.00281 | 3.000 |
| 2025 Oct 09 17:56 | 2025 Oct 07 05:18:07 | 12.5464 | 0.00013 | 1.2114 | 269.8559 | 128.4262 | 1.00281 | 3.000 |
| 2025 Oct 08 17:56 | 2025 Oct 07 05:18:07 | 12.5464 | 0.00013 | 1.2114 | 269.8559 | 128.4262 | 1.00281 | 3.000 |
| 2025 Oct 07 17:56 | 2025 Oct 07 05:18:07 | 12.5464 | 0.00013 | 1.2114 | 269.8559 | 128.4262 | 1.00281 | 3.000 |
| 2025 Oct 05 17:56 | 2025 Oct 02 03:54:38 | 12.5411 | 0.00009 | 1.2136 | 283.9257 | 128.4262 | 1.00281 | 3.000 |
| 2025 Oct 04 17:57 | 2025 Oct 02 03:54:38 | 12.5411 | 0.00009 | 1.2136 | 283.9257 | 128.4262 | 1.00281 | 3.000 |
| 2025 Oct 03 17:57 | 2025 Oct 02 03:54:38 | 12.5411 | 0.00009 | 1.2136 | 283.9257 | 128.4262 | 1.00281 | 3.000 |
| 2025 Oct 02 17:56 | 2025 Oct 01 16:52:53 | 12.5407 | 0.00009 | 1.2138 | 285.3534 | 128.4262 | 1.00281 | 3.000 |
| 2025 Sep 30 17:56 | 2025 Sep 30 04:54:56 | 12.5393 | 0.00009 | 1.2145 | 292.7036 | 128.4262 | 1.00281 | 3.000 |
| 2025 Sep 29 17:56 | 2025 Sep 29 04:56:11 | 12.5384 | 0.00009 | 1.2149 | 296.8845 | 128.4262 | 1.00281 | 3.000 |