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 Sep 18 17:56 | 2025 Sep 15 04:58:15 | 2.2949 | 0.00059 | 17.4889 | 335.7708 | 86.7750 | 1.00284 | – |
| 2025 Sep 15 17:56 | 2025 Sep 15 04:58:15 | 2.2949 | 0.00059 | 17.4889 | 335.7708 | 86.7750 | 1.00284 | – |
| 2025 Sep 12 17:57 | 2025 Sep 03 05:12:33 | 2.3251 | 0.00057 | 17.5080 | 334.5706 | 86.7750 | 1.00284 | – |
| 2025 Sep 11 17:57 | 2025 Sep 03 05:12:33 | 2.3251 | 0.00057 | 17.5080 | 334.5706 | 86.7750 | 1.00284 | – |
| 2025 Sep 10 17:56 | 2025 Sep 03 05:12:33 | 2.3251 | 0.00057 | 17.5080 | 334.5706 | 86.7750 | 1.00284 | – |
| 2025 Sep 08 17:57 | 2025 Sep 03 05:12:33 | 2.3251 | 0.00057 | 17.5080 | 334.5706 | 86.7750 | 1.00284 | – |
| 2025 Sep 07 17:56 | 2025 Sep 03 05:12:33 | 2.3251 | 0.00057 | 17.5080 | 334.5706 | 86.7750 | 1.00284 | – |
| 2025 Sep 06 20:41 | 2025 Sep 03 05:12:33 | 2.3251 | 0.00057 | 17.5080 | 334.5706 | 86.7750 | 1.00284 | – |
| 2025 Sep 03 17:57 | 2025 Sep 03 05:12:33 | 2.3251 | 0.00057 | 17.5080 | 334.5706 | 86.7750 | 1.00284 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 17:34:38 | 2.3418 | 0.00054 | 17.5182 | 333.5284 | 86.7750 | 1.00284 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 17:34:38 | 2.3418 | 0.00054 | 17.5182 | 333.5284 | 86.7750 | 1.00284 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 17:34:38 | 2.3418 | 0.00054 | 17.5182 | 333.5284 | 86.7750 | 1.00284 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 17:34:38 | 2.3418 | 0.00054 | 17.5182 | 333.5284 | 86.7750 | 1.00284 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 17:34:38 | 2.3418 | 0.00054 | 17.5182 | 333.5284 | 86.7750 | 1.00284 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 17:34:38 | 2.3418 | 0.00054 | 17.5182 | 333.5284 | 86.7750 | 1.00284 | – |
| 2025 Aug 27 17:56 | 2025 Aug 23 05:24:11 | 2.3533 | 0.00053 | 17.5251 | 332.6947 | 86.7750 | 1.00284 | – |
| 2025 Aug 26 17:56 | 2025 Aug 23 05:24:11 | 2.3533 | 0.00053 | 17.5251 | 332.6947 | 86.7750 | 1.00284 | – |
| 2025 Aug 25 17:56 | 2025 Aug 23 05:24:11 | 2.3533 | 0.00053 | 17.5251 | 332.6947 | 86.7750 | 1.00284 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 05:24:11 | 2.3533 | 0.00053 | 17.5251 | 332.6947 | 86.7750 | 1.00284 | – |
| 2025 Aug 23 17:56 | 2025 Aug 23 05:24:11 | 2.3533 | 0.00053 | 17.5251 | 332.6947 | 86.7750 | 1.00284 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 20:55:39 | 2.3666 | 0.00051 | 17.5333 | 332.1821 | 86.7750 | 1.00284 | – |