Orbital elements of OPS 9431
| Launched | 2 November 1971 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 5587 |
| Alternative names |
DSCS 2-1 DSCS-2 A1 |
| 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 May 09 17:57 | 2025 May 09 07:22:06 | 2.6210 | 0.00036 | 17.6931 | 352.6350 | 330.3425 | 1.00281 | – |
| 2025 May 08 17:56 | 2025 May 03 13:49:52 | 2.6361 | 0.00036 | 17.7016 | 353.9873 | 330.3425 | 1.00281 | – |
| 2025 May 07 17:56 | 2025 May 03 13:49:52 | 2.6361 | 0.00036 | 17.7016 | 353.9873 | 330.3425 | 1.00281 | – |
| 2025 May 06 17:57 | 2025 May 03 13:49:52 | 2.6361 | 0.00036 | 17.7016 | 353.9873 | 330.3425 | 1.00281 | – |
| 2025 May 05 17:56 | 2025 May 03 13:49:52 | 2.6361 | 0.00036 | 17.7016 | 353.9873 | 330.3425 | 1.00281 | – |
| 2025 May 04 17:57 | 2025 May 03 13:49:52 | 2.6361 | 0.00036 | 17.7016 | 353.9873 | 330.3425 | 1.00281 | – |
| 2025 May 03 17:57 | 2025 May 03 13:49:52 | 2.6361 | 0.00036 | 17.7016 | 353.9873 | 330.3425 | 1.00281 | – |
| 2025 May 01 17:56 | 2025 Apr 22 11:36:47 | 2.6647 | 0.00039 | 17.7181 | 357.0118 | 330.3425 | 1.00281 | – |
| 2025 Apr 30 17:56 | 2025 Apr 22 11:36:47 | 2.6647 | 0.00039 | 17.7181 | 357.0118 | 330.3425 | 1.00281 | – |
| 2025 Apr 29 17:57 | 2025 Apr 22 11:36:47 | 2.6647 | 0.00039 | 17.7181 | 357.0118 | 330.3425 | 1.00281 | – |
| 2025 Apr 27 17:56 | 2025 Apr 22 11:36:47 | 2.6647 | 0.00039 | 17.7181 | 357.0118 | 330.3425 | 1.00281 | – |
| 2025 Apr 26 17:57 | 2025 Apr 22 11:36:47 | 2.6647 | 0.00039 | 17.7181 | 357.0118 | 330.3425 | 1.00281 | – |
| 2025 Apr 25 17:56 | 2025 Apr 22 11:36:47 | 2.6647 | 0.00039 | 17.7181 | 357.0118 | 330.3425 | 1.00281 | – |
| 2025 Apr 24 17:56 | 2025 Apr 22 11:36:47 | 2.6647 | 0.00039 | 17.7181 | 357.0118 | 330.3425 | 1.00281 | – |
| 2025 Apr 23 17:57 | 2025 Apr 22 11:36:47 | 2.6647 | 0.00039 | 17.7181 | 357.0118 | 330.3425 | 1.00281 | – |
| 2025 Apr 22 17:56 | 2025 Apr 22 11:36:47 | 2.6647 | 0.00039 | 17.7181 | 357.0118 | 330.3425 | 1.00281 | – |
| 2025 Apr 21 17:57 | 2025 Apr 15 15:43:54 | 2.6828 | 0.00040 | 17.7279 | 357.8127 | 330.3425 | 1.00281 | – |
| 2025 Apr 20 17:56 | 2025 Apr 15 15:43:54 | 2.6828 | 0.00040 | 17.7279 | 357.8127 | 330.3425 | 1.00281 | – |
| 2025 Apr 19 17:56 | 2025 Apr 15 15:43:54 | 2.6828 | 0.00040 | 17.7279 | 357.8127 | 330.3425 | 1.00281 | – |
| 2025 Apr 18 17:57 | 2025 Apr 15 15:43:54 | 2.6828 | 0.00040 | 17.7279 | 357.8127 | 330.3425 | 1.00281 | – |
| 2025 Apr 17 17:56 | 2025 Apr 15 15:43:54 | 2.6828 | 0.00040 | 17.7279 | 357.8127 | 330.3425 | 1.00281 | – |
| 2025 Apr 16 17:57 | 2025 Apr 15 15:43:54 | 2.6828 | 0.00040 | 17.7279 | 357.8127 | 330.3425 | 1.00281 | – |
| 2025 Apr 15 17:56 | 2025 Apr 10 11:55:01 | 2.6967 | 0.00040 | 17.7353 | 358.2629 | 330.3425 | 1.00281 | – |
| 2025 Apr 14 17:56 | 2025 Apr 10 11:55:01 | 2.6967 | 0.00040 | 17.7353 | 358.2629 | 330.3425 | 1.00281 | – |