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 |
| 2026 Mar 31 17:57 | 2026 Mar 26 10:58:35 | 1.7988 | 0.00056 | 17.1196 | 16.1737 | 336.8811 | 1.00273 | – |
| 2026 Mar 30 17:58 | 2026 Mar 26 10:58:35 | 1.7988 | 0.00056 | 17.1196 | 16.1737 | 336.8811 | 1.00273 | – |
| 2026 Mar 29 17:57 | 2026 Mar 26 10:58:35 | 1.7988 | 0.00056 | 17.1196 | 16.1737 | 336.8811 | 1.00273 | – |
| 2026 Mar 28 18:57 | 2026 Mar 26 10:58:35 | 1.7988 | 0.00056 | 17.1196 | 16.1737 | 336.8811 | 1.00273 | – |
| 2026 Mar 27 18:57 | 2026 Mar 26 10:58:35 | 1.7988 | 0.00056 | 17.1196 | 16.1737 | 336.8811 | 1.00273 | – |
| 2026 Mar 26 18:57 | 2026 Mar 26 10:58:35 | 1.7988 | 0.00056 | 17.1196 | 16.1737 | 336.8811 | 1.00273 | – |
| 2026 Mar 25 18:56 | 2026 Mar 20 11:13:20 | 1.8138 | 0.00058 | 17.1324 | 15.9827 | 336.8811 | 1.00273 | – |
| 2026 Mar 24 18:56 | 2026 Mar 20 11:13:20 | 1.8138 | 0.00058 | 17.1324 | 15.9827 | 336.8811 | 1.00273 | – |
| 2026 Mar 23 18:56 | 2026 Mar 20 11:13:20 | 1.8138 | 0.00058 | 17.1324 | 15.9827 | 336.8811 | 1.00273 | – |
| 2026 Mar 22 18:56 | 2026 Mar 20 11:13:20 | 1.8138 | 0.00058 | 17.1324 | 15.9827 | 336.8811 | 1.00273 | – |
| 2026 Mar 21 19:05 | 2026 Mar 20 11:13:20 | 1.8138 | 0.00058 | 17.1324 | 15.9827 | 336.8811 | 1.00273 | – |
| 2026 Mar 20 18:57 | 2026 Mar 20 11:13:20 | 1.8138 | 0.00058 | 17.1324 | 15.9827 | 336.8811 | 1.00273 | – |
| 2026 Mar 19 18:56 | 2026 Mar 15 13:08:09 | 1.8264 | 0.00060 | 17.1426 | 15.5475 | 336.8811 | 1.00273 | – |
| 2026 Mar 18 18:56 | 2026 Mar 15 13:08:09 | 1.8264 | 0.00060 | 17.1426 | 15.5475 | 336.8811 | 1.00273 | – |
| 2026 Mar 17 18:56 | 2026 Mar 15 13:08:09 | 1.8264 | 0.00060 | 17.1426 | 15.5475 | 336.8811 | 1.00273 | – |
| 2026 Mar 16 18:57 | 2026 Mar 15 13:08:09 | 1.8264 | 0.00060 | 17.1426 | 15.5475 | 336.8811 | 1.00273 | – |
| 2026 Mar 15 18:56 | 2026 Mar 15 13:08:09 | 1.8264 | 0.00060 | 17.1426 | 15.5475 | 336.8811 | 1.00273 | – |
| 2026 Mar 14 18:56 | 2026 Mar 10 13:31:56 | 1.8393 | 0.00061 | 17.1529 | 14.9277 | 336.8811 | 1.00273 | – |
| 2026 Mar 13 18:57 | 2026 Mar 10 13:31:56 | 1.8393 | 0.00061 | 17.1529 | 14.9277 | 336.8811 | 1.00273 | – |
| 2026 Mar 12 18:57 | 2026 Mar 10 13:31:56 | 1.8393 | 0.00061 | 17.1529 | 14.9277 | 336.8811 | 1.00273 | – |
| 2026 Mar 11 18:56 | 2026 Mar 10 13:31:56 | 1.8393 | 0.00061 | 17.1529 | 14.9277 | 336.8811 | 1.00273 | – |
| 2026 Mar 10 18:56 | 2026 Mar 10 13:31:56 | 1.8393 | 0.00061 | 17.1529 | 14.9277 | 336.8811 | 1.00273 | – |
| 2026 Mar 09 18:56 | 2026 Mar 04 07:20:38 | 1.8555 | 0.00062 | 17.1658 | 14.1633 | 336.8811 | 1.00273 | – |
| 2026 Mar 08 18:57 | 2026 Mar 04 07:20:38 | 1.8555 | 0.00062 | 17.1658 | 14.1633 | 336.8811 | 1.00273 | – |
| 2026 Mar 07 18:57 | 2026 Mar 04 07:20:38 | 1.8555 | 0.00062 | 17.1658 | 14.1633 | 336.8811 | 1.00273 | – |
| 2026 Mar 06 18:56 | 2026 Mar 04 07:20:38 | 1.8555 | 0.00062 | 17.1658 | 14.1633 | 336.8811 | 1.00273 | – |
| 2026 Mar 05 18:56 | 2026 Mar 04 07:20:38 | 1.8555 | 0.00062 | 17.1658 | 14.1633 | 336.8811 | 1.00273 | – |
| 2026 Mar 04 18:57 | 2026 Mar 04 07:20:38 | 1.8555 | 0.00062 | 17.1658 | 14.1633 | 336.8811 | 1.00273 | – |