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 Dec 12 18:57 | 2025 Dec 11 11:33:33 | 12.6094 | 0.00018 | 1.1829 | 279.3080 | 267.2404 | 1.00262 | 3.000 |
| 2025 Dec 11 18:56 | 2025 Dec 10 23:34:40 | 12.6090 | 0.00018 | 1.1831 | 278.2231 | 267.2404 | 1.00262 | 3.000 |
| 2025 Dec 10 18:56 | 2025 Dec 09 09:40:05 | 12.6075 | 0.00019 | 1.1838 | 274.1147 | 267.2404 | 1.00262 | 3.000 |
| 2025 Dec 09 18:56 | 2025 Dec 09 09:40:05 | 12.6075 | 0.00019 | 1.1838 | 274.1147 | 267.2404 | 1.00262 | 3.000 |
| 2025 Dec 08 18:56 | 2025 Dec 08 00:44:02 | 12.6061 | 0.00019 | 1.1844 | 270.8332 | 267.2404 | 1.00262 | 3.000 |
| 2025 Dec 07 18:56 | 2025 Dec 06 12:24:38 | 12.6045 | 0.00019 | 1.1850 | 266.8363 | 267.2404 | 1.00262 | 3.000 |
| 2025 Dec 06 18:56 | 2025 Dec 06 01:02:02 | 12.6040 | 0.00019 | 1.1852 | 265.3433 | 267.2404 | 1.00262 | 3.000 |
| 2025 Dec 05 18:57 | 2025 Dec 04 23:45:52 | 12.6029 | 0.00019 | 1.1856 | 262.8131 | 267.2404 | 1.00262 | 3.000 |
| 2025 Dec 04 18:57 | 2025 Dec 03 23:10:38 | 12.6018 | 0.00018 | 1.1860 | 260.3581 | 267.2404 | 1.00262 | 3.000 |
| 2025 Dec 03 18:56 | 2025 Dec 02 23:49:23 | 12.6008 | 0.00017 | 1.1864 | 258.2815 | 267.2404 | 1.00262 | 3.000 |
| 2025 Dec 02 18:56 | 2025 Dec 01 23:51:13 | 12.5997 | 0.00017 | 1.1868 | 256.5484 | 267.2404 | 1.00262 | 3.000 |
| 2025 Nov 30 18:57 | 2025 Nov 29 23:54:41 | 12.5976 | 0.00015 | 1.1876 | 254.4603 | 267.2404 | 1.00262 | 3.000 |
| 2025 Nov 29 18:56 | 2025 Nov 28 23:56:30 | 12.5965 | 0.00014 | 1.1880 | 254.2046 | 267.2404 | 1.00262 | 3.000 |
| 2025 Nov 28 18:57 | 2025 Nov 27 23:58:12 | 12.5956 | 0.00013 | 1.1885 | 254.5279 | 267.2404 | 1.00262 | 3.000 |
| 2025 Nov 27 18:57 | 2025 Nov 27 00:20:38 | 12.5946 | 0.00012 | 1.1889 | 255.4736 | 267.2404 | 1.00262 | 3.000 |
| 2025 Nov 26 18:57 | 2025 Nov 26 00:01:39 | 12.5937 | 0.00012 | 1.1894 | 256.9984 | 267.2404 | 1.00262 | 3.000 |
| 2025 Nov 25 18:57 | 2025 Nov 25 00:03:28 | 12.5929 | 0.00011 | 1.1898 | 258.9323 | 267.2404 | 1.00262 | 3.000 |
| 2025 Nov 24 18:56 | 2025 Nov 23 00:06:58 | 12.5912 | 0.00011 | 1.1908 | 263.2264 | 267.2404 | 1.00262 | 3.000 |
| 2025 Nov 23 18:57 | 2025 Nov 23 00:06:58 | 12.5912 | 0.00011 | 1.1908 | 263.2264 | 267.2404 | 1.00262 | 3.000 |
| 2025 Nov 21 18:57 | 2025 Nov 21 00:10:33 | 12.5895 | 0.00011 | 1.1918 | 266.9940 | 267.2404 | 1.00262 | 3.000 |
| 2025 Nov 20 18:56 | 2025 Nov 19 12:23:38 | 12.5883 | 0.00011 | 1.1925 | 268.4106 | 267.2404 | 1.00262 | 3.000 |
| 2025 Nov 18 18:57 | 2025 Nov 18 07:12:59 | 12.5873 | 0.00012 | 1.1931 | 268.5805 | 267.2404 | 1.00262 | 3.000 |
| 2025 Nov 16 18:58 | 2025 Nov 14 12:29:38 | 12.5841 | 0.00014 | 1.1949 | 264.6273 | 267.2404 | 1.00262 | 3.000 |
| 2025 Nov 15 18:57 | 2025 Nov 14 12:29:38 | 12.5841 | 0.00014 | 1.1949 | 264.6273 | 267.2404 | 1.00262 | 3.000 |