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 |
| 2026 Feb 05 18:58 | 2026 Feb 05 07:58:22 | 12.6636 | 0.00014 | 1.1570 | 199.9937 | 348.2340 | 1.00282 | 3.000 |
| 2026 Feb 04 18:57 | 2026 Feb 03 20:01:38 | 12.6582 | 0.00007 | 1.1575 | 197.7315 | 348.2340 | 1.00282 | 3.000 |
| 2026 Feb 03 18:56 | 2026 Feb 02 06:42:38 | 12.6594 | 0.00011 | 1.1584 | 314.4989 | 348.2340 | 1.00282 | 3.000 |
| 2026 Feb 02 18:56 | 2026 Feb 02 06:42:38 | 12.6594 | 0.00011 | 1.1584 | 314.4989 | 348.2340 | 1.00282 | 3.000 |
| 2026 Feb 01 18:56 | 2026 Feb 01 08:06:49 | 12.6584 | 0.00010 | 1.1588 | 309.6471 | 348.2340 | 1.00282 | 3.000 |
| 2026 Jan 31 18:56 | 2026 Jan 31 08:08:59 | 12.6574 | 0.00010 | 1.1593 | 304.6962 | 348.2340 | 1.00282 | 3.000 |
| 2026 Jan 30 18:57 | 2026 Jan 30 08:11:07 | 12.6563 | 0.00010 | 1.1597 | 300.0574 | 348.2340 | 1.00282 | 3.000 |
| 2026 Jan 29 18:56 | 2026 Jan 29 07:28:38 | 12.6552 | 0.00009 | 1.1601 | 295.6968 | 348.2340 | 1.00282 | 3.000 |
| 2026 Jan 28 18:56 | 2026 Jan 27 08:17:32 | 12.6531 | 0.00008 | 1.1610 | 289.7005 | 348.2340 | 1.00282 | 3.000 |
| 2026 Jan 27 18:56 | 2026 Jan 27 08:17:32 | 12.6531 | 0.00008 | 1.1610 | 289.7005 | 348.2340 | 1.00282 | 3.000 |
| 2026 Jan 26 18:57 | 2026 Jan 26 08:19:38 | 12.6520 | 0.00008 | 1.1614 | 288.0413 | 348.2340 | 1.00282 | 3.000 |
| 2026 Jan 25 18:57 | 2026 Jan 25 08:35:38 | 12.6509 | 0.00007 | 1.1618 | 287.5898 | 348.2340 | 1.00282 | 3.000 |
| 2026 Jan 24 18:58 | 2026 Jan 24 08:35:38 | 12.6499 | 0.00006 | 1.1623 | 288.4513 | 348.2340 | 1.00282 | 3.000 |
| 2026 Jan 22 18:56 | 2026 Jan 22 08:28:07 | 12.6478 | 0.00005 | 1.1632 | 294.0978 | 348.2340 | 1.00282 | 3.000 |
| 2026 Jan 21 18:56 | 2026 Jan 21 08:30:17 | 12.6468 | 0.00005 | 1.1637 | 299.4850 | 348.2340 | 1.00282 | 3.000 |
| 2026 Jan 20 19:06 | 2026 Jan 19 20:33:24 | 12.6454 | 0.00004 | 1.1644 | 311.8874 | 348.2340 | 1.00282 | 3.000 |
| 2026 Jan 19 18:57 | 2026 Jan 18 20:35:35 | 12.6446 | 0.00004 | 1.1649 | 318.2884 | 348.2340 | 1.00282 | 3.000 |
| 2026 Jan 18 18:57 | 2026 Jan 17 20:37:35 | 12.6437 | 0.00005 | 1.1654 | 323.2745 | 348.2340 | 1.00282 | 3.000 |
| 2026 Jan 17 18:56 | 2026 Jan 17 08:38:44 | 12.6433 | 0.00005 | 1.1656 | 323.5032 | 348.2340 | 1.00282 | 3.000 |
| 2026 Jan 16 18:57 | 2026 Jan 16 08:40:50 | 12.6424 | 0.00005 | 1.1661 | 325.7730 | 348.2340 | 1.00282 | 3.000 |
| 2026 Jan 15 18:56 | 2026 Jan 15 02:15:09 | 12.6414 | 0.00006 | 1.1668 | 325.7368 | 348.2340 | 1.00282 | 3.000 |
| 2026 Jan 13 18:56 | 2026 Jan 13 08:47:10 | 12.6399 | 0.00006 | 1.1676 | 322.9647 | 348.2340 | 1.00282 | 3.000 |