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 Nov 04 18:57 | 2025 Nov 04 09:14:28 | 0.3935 | 0.00236 | 20.3528 | 336.6454 | 220.2972 | 0.98161 | 5.500 |
| 2025 Nov 03 18:57 | 2025 Nov 02 09:22:03 | 0.3982 | 0.00234 | 20.3203 | 337.0776 | 220.2972 | 0.98161 | 5.500 |
| 2025 Nov 02 18:57 | 2025 Nov 02 09:22:03 | 0.3982 | 0.00234 | 20.3203 | 337.0776 | 220.2972 | 0.98161 | 5.500 |
| 2025 Nov 01 18:58 | 2025 Oct 31 19:24:38 | 0.4018 | 0.00233 | 20.2959 | 337.3730 | 220.2972 | 0.98161 | 5.500 |
| 2025 Oct 31 18:57 | 2025 Oct 31 02:39:23 | 0.4033 | 0.00232 | 20.2851 | 337.5520 | 220.2972 | 0.98161 | 5.500 |
| 2025 Oct 30 18:57 | 2025 Oct 30 06:08:08 | 0.4052 | 0.00231 | 20.2743 | 337.7023 | 220.2972 | 0.98161 | 5.500 |
| 2025 Oct 29 18:57 | 2025 Oct 29 06:11:51 | 0.4073 | 0.00231 | 20.2614 | 337.8937 | 220.2972 | 0.98161 | 5.500 |
| 2025 Oct 28 18:57 | 2025 Oct 27 21:42:37 | 0.4101 | 0.00230 | 20.2440 | 338.1525 | 220.2972 | 0.98161 | 5.500 |
| 2025 Oct 27 18:57 | 2025 Oct 27 06:19:02 | 0.4115 | 0.00229 | 20.2361 | 338.2380 | 220.2972 | 0.98161 | 5.500 |
| 2025 Oct 26 18:57 | 2025 Oct 26 11:30:31 | 0.4131 | 0.00229 | 20.2256 | 338.3840 | 220.2972 | 0.98161 | 5.500 |
| 2025 Oct 25 17:57 | 2025 Oct 25 11:34:12 | 0.4151 | 0.00229 | 20.2133 | 338.5530 | 220.2972 | 0.98161 | 5.500 |
| 2025 Oct 24 17:57 | 2025 Oct 23 21:57:07 | 0.4183 | 0.00229 | 20.1951 | 338.7844 | 220.2972 | 0.98161 | 5.500 |
| 2025 Oct 22 17:56 | 2025 Oct 22 03:12:04 | 0.4221 | 0.00229 | 20.1758 | 338.9895 | 220.2972 | 0.98161 | 5.500 |
| 2025 Oct 21 17:56 | 2025 Oct 20 22:28:38 | 0.4245 | 0.00229 | 20.1621 | 339.1248 | 220.2972 | 0.98161 | 5.500 |
| 2025 Oct 20 17:56 | 2025 Oct 20 01:36:46 | 0.4264 | 0.00229 | 20.1534 | 339.2037 | 220.2972 | 0.98161 | 5.500 |
| 2025 Oct 19 17:56 | 2025 Oct 19 01:40:30 | 0.4284 | 0.00229 | 20.1427 | 339.2888 | 220.2972 | 0.98161 | 5.500 |
| 2025 Oct 18 17:56 | 2025 Oct 18 01:44:03 | 0.4305 | 0.00229 | 20.1320 | 339.3730 | 220.2972 | 0.98161 | 5.500 |
| 2025 Oct 17 17:56 | 2025 Oct 17 00:05:12 | 0.4329 | 0.00229 | 20.1200 | 339.4637 | 220.2972 | 0.98161 | 5.500 |
| 2025 Oct 16 17:56 | 2025 Oct 16 02:48:46 | 0.4348 | 0.00230 | 20.1104 | 339.5396 | 220.2972 | 0.98161 | 5.500 |
| 2025 Oct 15 17:56 | 2025 Oct 14 20:47:14 | 0.4377 | 0.00230 | 20.0946 | 339.6658 | 220.2972 | 0.98161 | 5.500 |
| 2025 Oct 14 17:56 | 2025 Oct 13 20:50:56 | 0.4401 | 0.00230 | 20.0824 | 339.7650 | 220.2972 | 0.98161 | 5.500 |
| 2025 Oct 12 17:56 | 2025 Oct 12 07:13:48 | 0.4439 | 0.00229 | 20.0621 | 339.9529 | 220.2972 | 0.98161 | 5.500 |
| 2025 Oct 11 17:57 | 2025 Oct 11 05:34:45 | 0.4465 | 0.00229 | 20.0483 | 340.0777 | 220.2972 | 0.98161 | 5.500 |
| 2025 Oct 09 17:56 | 2025 Oct 08 17:43:50 | 0.4528 | 0.00226 | 20.0167 | 340.4547 | 220.2972 | 0.98161 | 5.500 |
| 2025 Oct 08 17:56 | 2025 Oct 08 12:25:20 | 0.4534 | 0.00226 | 20.0149 | 340.4665 | 220.2972 | 0.98161 | 5.500 |