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 Dec 15 18:58 | 2025 Dec 12 06:09:15 | 2.0646 | 0.00075 | 17.3322 | 356.2814 | 176.6175 | 1.00280 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 06:09:15 | 2.0646 | 0.00075 | 17.3322 | 356.2814 | 176.6175 | 1.00280 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 06:09:15 | 2.0646 | 0.00075 | 17.3322 | 356.2814 | 176.6175 | 1.00280 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 06:09:15 | 2.0646 | 0.00075 | 17.3322 | 356.2814 | 176.6175 | 1.00280 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 07:19:24 | 2.0774 | 0.00074 | 17.3418 | 355.0058 | 176.6175 | 1.00280 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 07:19:24 | 2.0774 | 0.00074 | 17.3418 | 355.0058 | 176.6175 | 1.00280 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 07:19:24 | 2.0774 | 0.00074 | 17.3418 | 355.0058 | 176.6175 | 1.00280 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 07:19:24 | 2.0774 | 0.00074 | 17.3418 | 355.0058 | 176.6175 | 1.00280 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 07:19:24 | 2.0774 | 0.00074 | 17.3418 | 355.0058 | 176.6175 | 1.00280 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 10:29:38 | 2.0897 | 0.00074 | 17.3514 | 353.8585 | 176.6175 | 1.00280 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 10:29:38 | 2.0897 | 0.00074 | 17.3514 | 353.8585 | 176.6175 | 1.00280 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 10:29:38 | 2.0897 | 0.00074 | 17.3514 | 353.8585 | 176.6175 | 1.00280 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 10:29:38 | 2.0897 | 0.00074 | 17.3514 | 353.8585 | 176.6175 | 1.00280 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 10:29:38 | 2.0897 | 0.00074 | 17.3514 | 353.8585 | 176.6175 | 1.00280 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 10:05:00 | 2.1080 | 0.00075 | 17.3651 | 352.2630 | 176.6175 | 1.00280 | – |
| 2025 Nov 29 18:56 | 2025 Nov 25 10:05:00 | 2.1080 | 0.00075 | 17.3651 | 352.2630 | 176.6175 | 1.00280 | – |
| 2025 Nov 28 18:57 | 2025 Nov 25 10:05:00 | 2.1080 | 0.00075 | 17.3651 | 352.2630 | 176.6175 | 1.00280 | – |
| 2025 Nov 27 18:57 | 2025 Nov 25 10:05:00 | 2.1080 | 0.00075 | 17.3651 | 352.2630 | 176.6175 | 1.00280 | – |
| 2025 Nov 26 18:57 | 2025 Nov 25 10:05:00 | 2.1080 | 0.00075 | 17.3651 | 352.2630 | 176.6175 | 1.00280 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 10:05:00 | 2.1080 | 0.00075 | 17.3651 | 352.2630 | 176.6175 | 1.00280 | – |
| 2025 Nov 24 18:56 | 2025 Nov 20 05:05:26 | 2.1219 | 0.00074 | 17.3752 | 350.8162 | 176.6175 | 1.00280 | – |
| 2025 Nov 23 18:57 | 2025 Nov 20 05:05:26 | 2.1219 | 0.00074 | 17.3752 | 350.8162 | 176.6175 | 1.00280 | – |
| 2025 Nov 21 18:57 | 2025 Nov 20 05:05:26 | 2.1219 | 0.00074 | 17.3752 | 350.8162 | 176.6175 | 1.00280 | – |
| 2025 Nov 20 18:56 | 2025 Nov 20 05:05:26 | 2.1219 | 0.00074 | 17.3752 | 350.8162 | 176.6175 | 1.00280 | – |
| 2025 Nov 18 18:57 | 2025 Nov 08 15:41:33 | 2.1525 | 0.00072 | 17.3966 | 347.6504 | 176.6175 | 1.00280 | – |