Orbital elements of COSMOS 2143
| Launched | 15 May 1991 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21299 |
| 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 15 17:56 | 2025 Sep 15 02:05:15 | 82.5721 | 0.00126 | 7.9288 | 321.9023 | 193.8038 | 12.63920 | 7.543 |
| 2025 Sep 12 17:57 | 2025 Sep 03 03:12:16 | 82.5744 | 0.00131 | 8.4391 | 349.6581 | 193.8038 | 12.63920 | 7.543 |
| 2025 Sep 11 17:57 | 2025 Sep 03 03:12:16 | 82.5744 | 0.00131 | 8.4391 | 349.6581 | 193.8038 | 12.63920 | 7.543 |
| 2025 Sep 10 17:56 | 2025 Sep 03 03:12:16 | 82.5744 | 0.00131 | 8.4391 | 349.6581 | 193.8038 | 12.63920 | 7.543 |
| 2025 Sep 08 17:57 | 2025 Sep 03 03:12:16 | 82.5744 | 0.00131 | 8.4391 | 349.6581 | 193.8038 | 12.63920 | 7.543 |
| 2025 Sep 07 17:56 | 2025 Sep 03 03:12:16 | 82.5744 | 0.00131 | 8.4391 | 349.6581 | 193.8038 | 12.63920 | 7.543 |
| 2025 Sep 06 20:41 | 2025 Sep 03 03:12:16 | 82.5744 | 0.00131 | 8.4391 | 349.6581 | 193.8038 | 12.63920 | 7.543 |
| 2025 Sep 03 17:57 | 2025 Sep 03 03:12:16 | 82.5744 | 0.00131 | 8.4391 | 349.6581 | 193.8038 | 12.63920 | 7.543 |
| 2025 Sep 02 17:56 | 2025 Aug 27 22:15:59 | 82.5754 | 0.00133 | 8.7040 | 3.7507 | 193.8038 | 12.63920 | 7.543 |
| 2025 Sep 01 17:56 | 2025 Aug 27 22:15:59 | 82.5754 | 0.00133 | 8.7040 | 3.7507 | 193.8038 | 12.63920 | 7.543 |
| 2025 Aug 31 17:56 | 2025 Aug 27 22:15:59 | 82.5754 | 0.00133 | 8.7040 | 3.7507 | 193.8038 | 12.63920 | 7.543 |
| 2025 Aug 30 17:56 | 2025 Aug 27 22:15:59 | 82.5754 | 0.00133 | 8.7040 | 3.7507 | 193.8038 | 12.63920 | 7.543 |
| 2025 Aug 29 17:56 | 2025 Aug 27 22:15:59 | 82.5754 | 0.00133 | 8.7040 | 3.7507 | 193.8038 | 12.63920 | 7.543 |
| 2025 Aug 28 17:57 | 2025 Aug 27 22:15:59 | 82.5754 | 0.00133 | 8.7040 | 3.7507 | 193.8038 | 12.63920 | 7.543 |
| 2025 Aug 27 17:56 | 2025 Aug 23 05:02:37 | 82.5759 | 0.00135 | 8.9053 | 14.2449 | 193.8038 | 12.63920 | 7.543 |
| 2025 Aug 26 17:56 | 2025 Aug 23 05:02:37 | 82.5759 | 0.00135 | 8.9053 | 14.2449 | 193.8038 | 12.63920 | 7.543 |
| 2025 Aug 25 17:56 | 2025 Aug 23 05:02:37 | 82.5759 | 0.00135 | 8.9053 | 14.2449 | 193.8038 | 12.63920 | 7.543 |
| 2025 Aug 24 17:56 | 2025 Aug 23 05:02:37 | 82.5759 | 0.00135 | 8.9053 | 14.2449 | 193.8038 | 12.63920 | 7.543 |
| 2025 Aug 23 17:56 | 2025 Aug 23 05:02:37 | 82.5759 | 0.00135 | 8.9053 | 14.2449 | 193.8038 | 12.63920 | 7.543 |
| 2025 Aug 22 17:56 | 2025 Aug 17 19:25:39 | 82.5767 | 0.00138 | 9.1357 | 26.0306 | 193.8038 | 12.63920 | 7.543 |
| 2025 Aug 20 17:56 | 2025 Aug 17 19:25:39 | 82.5767 | 0.00138 | 9.1357 | 26.0306 | 193.8038 | 12.63920 | 7.543 |
| 2025 Aug 19 17:56 | 2025 Aug 17 19:25:39 | 82.5767 | 0.00138 | 9.1357 | 26.0306 | 193.8038 | 12.63920 | 7.543 |