Orbital elements of OPS 3811
| Launched | 4 May 1971 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 5204 |
| Alternative names |
DSP 2 |
| 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 Jun 02 17:58 | 2025 Jun 01 21:13:38 | 0.7556 | 0.00207 | 19.2424 | 358.5819 | 343.1858 | 0.98159 | 5.500 |
| 2025 Jun 01 17:56 | 2025 Jun 01 10:54:35 | 0.7567 | 0.00207 | 19.2414 | 358.5759 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 31 17:56 | 2025 May 30 22:27:43 | 0.7607 | 0.00208 | 19.2366 | 358.6890 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 30 17:56 | 2025 May 30 04:09:59 | 0.7626 | 0.00208 | 19.2338 | 358.7184 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 29 17:56 | 2025 May 28 21:22:23 | 0.7662 | 0.00209 | 19.2294 | 358.8217 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 28 17:56 | 2025 May 27 21:24:32 | 0.7689 | 0.00209 | 19.2257 | 358.8708 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 27 17:57 | 2025 May 25 17:43:19 | 0.7749 | 0.00208 | 19.2178 | 359.0758 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 26 17:56 | 2025 May 25 17:43:19 | 0.7749 | 0.00208 | 19.2178 | 359.0758 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 25 17:56 | 2025 May 24 19:01:38 | 0.7775 | 0.00208 | 19.2145 | 359.2068 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 24 17:57 | 2025 May 23 21:36:15 | 0.7800 | 0.00208 | 19.2116 | 359.3224 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 23 17:56 | 2025 May 22 15:20:39 | 0.7834 | 0.00207 | 19.2070 | 359.5161 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 22 17:56 | 2025 May 21 18:16:42 | 0.7857 | 0.00207 | 19.2043 | 359.6478 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 21 17:56 | 2025 May 20 13:11:40 | 0.7888 | 0.00206 | 19.2006 | 359.8351 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 20 17:56 | 2025 May 19 13:32:38 | 0.7914 | 0.00206 | 19.1980 | 359.9726 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 19 17:56 | 2025 May 19 13:32:38 | 0.7914 | 0.00206 | 19.1980 | 359.9726 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 18 17:57 | 2025 May 17 20:11:05 | 0.7957 | 0.00206 | 19.1940 | 0.2246 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 17 17:57 | 2025 May 17 03:04:33 | 0.7975 | 0.00206 | 19.1921 | 0.3315 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 16 17:56 | 2025 May 15 13:26:15 | 0.8013 | 0.00206 | 19.1882 | 0.5309 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 15 17:57 | 2025 May 14 20:19:45 | 0.8030 | 0.00206 | 19.1865 | 0.6306 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 14 17:56 | 2025 May 13 16:57:23 | 0.8057 | 0.00207 | 19.1838 | 0.7385 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 13 17:56 | 2025 May 12 17:00:20 | 0.8080 | 0.00208 | 19.1815 | 0.8134 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 12 17:56 | 2025 May 11 15:20:36 | 0.8105 | 0.00208 | 19.1789 | 0.8885 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 11 17:56 | 2025 May 10 15:23:34 | 0.8128 | 0.00209 | 19.1766 | 0.9416 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 10 17:56 | 2025 May 10 13:32:11 | 0.8130 | 0.00209 | 19.1764 | 0.9441 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 09 17:57 | 2025 May 08 22:19:52 | 0.8168 | 0.00210 | 19.1724 | 1.0039 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 08 17:56 | 2025 May 08 12:03:54 | 0.8179 | 0.00211 | 19.1716 | 1.0171 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 07 17:56 | 2025 May 06 20:42:44 | 0.8218 | 0.00212 | 19.1677 | 1.0423 | 343.1858 | 0.98159 | 5.500 |
| 2025 May 06 17:57 | 2025 May 06 08:44:04 | 0.8230 | 0.00213 | 19.1666 | 1.0525 | 343.1858 | 0.98159 | 5.500 |