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 Apr 02 17:57 | 2025 Apr 01 05:26:35 | 12.3686 | 0.00008 | 1.2959 | 65.7787 | 136.7585 | 1.00262 | 3.000 |
| 2025 Apr 01 17:56 | 2025 Apr 01 05:26:35 | 12.3686 | 0.00008 | 1.2959 | 65.7787 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 31 17:56 | 2025 Mar 31 04:08:15 | 12.3674 | 0.00009 | 1.2963 | 68.2413 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 30 17:57 | 2025 Mar 30 01:53:38 | 12.3662 | 0.00009 | 1.2967 | 69.7102 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 29 18:56 | 2025 Mar 29 05:14:38 | 12.3653 | 0.00010 | 1.2971 | 70.0198 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 28 18:57 | 2025 Mar 28 08:57:07 | 12.3643 | 0.00010 | 1.2974 | 70.1404 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 27 18:56 | 2025 Mar 26 08:20:53 | 12.3621 | 0.00012 | 1.2982 | 68.0345 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 26 18:57 | 2025 Mar 26 04:09:19 | 12.3620 | 0.00012 | 1.2983 | 67.6359 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 25 18:57 | 2025 Mar 24 08:55:40 | 12.3601 | 0.00013 | 1.2990 | 64.3410 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 24 18:57 | 2025 Mar 24 08:55:40 | 12.3601 | 0.00013 | 1.2990 | 64.3410 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 23 18:58 | 2025 Mar 23 05:11:22 | 12.3591 | 0.00013 | 1.2995 | 61.8648 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 22 18:58 | 2025 Mar 22 04:24:54 | 12.3581 | 0.00013 | 1.3000 | 59.4149 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 21 18:57 | 2025 Mar 20 05:56:38 | 12.3563 | 0.00013 | 1.3009 | 54.4710 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 20 18:57 | 2025 Mar 20 05:56:38 | 12.3563 | 0.00013 | 1.3009 | 54.4710 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 19 18:57 | 2025 Mar 19 05:13:42 | 12.3554 | 0.00013 | 1.3013 | 51.8560 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 18 18:56 | 2025 Mar 18 05:36:42 | 12.3545 | 0.00012 | 1.3018 | 49.3910 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 17 18:56 | 2025 Mar 17 04:11:19 | 12.3535 | 0.00012 | 1.3023 | 46.9067 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 16 18:56 | 2025 Mar 15 05:54:31 | 12.3518 | 0.00011 | 1.3032 | 42.5523 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 15 18:56 | 2025 Mar 15 05:54:31 | 12.3518 | 0.00011 | 1.3032 | 42.5523 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 14 18:56 | 2025 Mar 14 04:12:02 | 12.3508 | 0.00010 | 1.3037 | 40.4486 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 13 18:57 | 2025 Mar 13 05:24:10 | 12.3500 | 0.00009 | 1.3042 | 38.9016 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 11 18:56 | 2025 Mar 11 09:10:44 | 12.3483 | 0.00007 | 1.3050 | 37.7402 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 10 18:56 | 2025 Mar 10 07:08:50 | 12.3473 | 0.00006 | 1.3055 | 38.2061 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 09 18:57 | 2025 Mar 09 07:10:38 | 12.3464 | 0.00006 | 1.3059 | 40.1210 | 136.7585 | 1.00262 | 3.000 |
| 2025 Mar 07 18:56 | 2025 Mar 07 05:40:20 | 12.3443 | 0.00005 | 1.3068 | 50.0361 | 136.7585 | 1.00262 | 3.000 |