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 Dec 20 18:57 | 2025 Dec 20 11:22:19 | 0.3011 | 0.00244 | 21.2631 | 327.1993 | 303.2234 | 0.98163 | 5.500 |
| 2025 Dec 19 18:57 | 2025 Dec 19 06:18:44 | 0.3031 | 0.00244 | 21.2366 | 327.5304 | 303.2234 | 0.98163 | 5.500 |
| 2025 Dec 18 18:57 | 2025 Dec 18 01:15:12 | 0.3050 | 0.00244 | 21.2078 | 327.8684 | 303.2234 | 0.98163 | 5.500 |
| 2025 Dec 17 18:58 | 2025 Dec 17 04:44:11 | 0.3064 | 0.00244 | 21.1901 | 328.0163 | 303.2234 | 0.98163 | 5.500 |
| 2025 Dec 16 18:57 | 2025 Dec 15 21:58:01 | 0.3083 | 0.00245 | 21.1606 | 328.3706 | 303.2234 | 0.98163 | 5.500 |
| 2025 Dec 15 18:58 | 2025 Dec 14 22:02:04 | 0.3099 | 0.00245 | 21.1382 | 328.5770 | 303.2234 | 0.98163 | 5.500 |
| 2025 Dec 14 18:56 | 2025 Dec 13 22:06:03 | 0.3116 | 0.00245 | 21.1161 | 328.7888 | 303.2234 | 0.98163 | 5.500 |
| 2025 Dec 13 18:56 | 2025 Dec 13 05:00:12 | 0.3129 | 0.00246 | 21.1024 | 328.9176 | 303.2234 | 0.98163 | 5.500 |
| 2025 Dec 12 18:57 | 2025 Dec 12 05:04:14 | 0.3146 | 0.00246 | 21.0807 | 329.1202 | 303.2234 | 0.98163 | 5.500 |
| 2025 Dec 11 18:56 | 2025 Dec 11 05:08:17 | 0.3165 | 0.00246 | 21.0588 | 329.3129 | 303.2234 | 0.98163 | 5.500 |
| 2025 Dec 10 18:56 | 2025 Dec 10 02:28:38 | 0.3187 | 0.00247 | 21.0339 | 329.5197 | 303.2234 | 0.98163 | 5.500 |
| 2025 Dec 09 18:56 | 2025 Dec 09 12:06:46 | 0.3200 | 0.00247 | 21.0190 | 329.6893 | 303.2234 | 0.98163 | 5.500 |
| 2025 Dec 08 18:56 | 2025 Dec 08 05:20:22 | 0.3224 | 0.00247 | 20.9884 | 329.9682 | 303.2234 | 0.98163 | 5.500 |
| 2025 Dec 07 18:56 | 2025 Dec 07 02:03:38 | 0.3248 | 0.00247 | 20.9611 | 330.1674 | 303.2234 | 0.98163 | 5.500 |
| 2025 Dec 06 18:56 | 2025 Dec 06 03:45:50 | 0.3267 | 0.00247 | 20.9374 | 330.3893 | 303.2234 | 0.98163 | 5.500 |
| 2025 Dec 05 18:57 | 2025 Dec 05 03:42:38 | 0.3288 | 0.00247 | 20.9127 | 330.6190 | 303.2234 | 0.98163 | 5.500 |
| 2025 Dec 04 18:57 | 2025 Dec 04 00:28:38 | 0.3314 | 0.00246 | 20.8855 | 330.8953 | 303.2234 | 0.98163 | 5.500 |
| 2025 Dec 03 18:56 | 2025 Dec 03 10:48:07 | 0.3327 | 0.00246 | 20.8712 | 331.0501 | 303.2234 | 0.98163 | 5.500 |
| 2025 Dec 02 18:56 | 2025 Dec 02 07:26:46 | 0.3351 | 0.00245 | 20.8426 | 331.3897 | 303.2234 | 0.98163 | 5.500 |
| 2025 Nov 30 18:57 | 2025 Nov 30 14:25:03 | 0.3386 | 0.00243 | 20.8039 | 331.8843 | 303.2234 | 0.98163 | 5.500 |
| 2025 Nov 29 18:56 | 2025 Nov 28 23:05:33 | 0.3420 | 0.00242 | 20.7698 | 332.3118 | 303.2234 | 0.98163 | 5.500 |
| 2025 Nov 28 18:57 | 2025 Nov 27 23:09:30 | 0.3439 | 0.00241 | 20.7501 | 332.5519 | 303.2234 | 0.98163 | 5.500 |
| 2025 Nov 27 18:57 | 2025 Nov 26 23:13:23 | 0.3458 | 0.00240 | 20.7313 | 332.7957 | 303.2234 | 0.98163 | 5.500 |
| 2025 Nov 26 18:57 | 2025 Nov 26 11:15:34 | 0.3468 | 0.00240 | 20.7220 | 332.9475 | 303.2234 | 0.98163 | 5.500 |
| 2025 Nov 25 18:57 | 2025 Nov 25 09:24:38 | 0.3490 | 0.00239 | 20.7033 | 333.2147 | 303.2234 | 0.98163 | 5.500 |
| 2025 Nov 24 18:56 | 2025 Nov 24 09:40:38 | 0.3508 | 0.00239 | 20.6861 | 333.4224 | 303.2234 | 0.98163 | 5.500 |
| 2025 Nov 23 18:57 | 2025 Nov 23 09:12:38 | 0.3528 | 0.00238 | 20.6685 | 333.6522 | 303.2234 | 0.98163 | 5.500 |