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 |
| 2026 Mar 16 18:57 | 2026 Mar 15 12:31:24 | 82.5806 | 0.00118 | 0.1822 | 267.0636 | 267.5251 | 12.63926 | 7.543 |
| 2026 Mar 15 18:56 | 2026 Mar 15 12:31:24 | 82.5806 | 0.00118 | 0.1822 | 267.0636 | 267.5251 | 12.63926 | 7.543 |
| 2026 Mar 14 18:56 | 2026 Mar 10 08:45:36 | 82.5801 | 0.00119 | 0.4022 | 279.8346 | 267.5251 | 12.63926 | 7.543 |
| 2026 Mar 13 18:57 | 2026 Mar 10 08:45:36 | 82.5801 | 0.00119 | 0.4022 | 279.8346 | 267.5251 | 12.63926 | 7.543 |
| 2026 Mar 12 18:57 | 2026 Mar 10 08:45:36 | 82.5801 | 0.00119 | 0.4022 | 279.8346 | 267.5251 | 12.63926 | 7.543 |
| 2026 Mar 11 18:56 | 2026 Mar 10 08:45:36 | 82.5801 | 0.00119 | 0.4022 | 279.8346 | 267.5251 | 12.63926 | 7.543 |
| 2026 Mar 10 18:56 | 2026 Mar 10 08:45:36 | 82.5801 | 0.00119 | 0.4022 | 279.8346 | 267.5251 | 12.63926 | 7.543 |
| 2026 Mar 09 18:56 | 2026 Mar 04 06:43:33 | 82.5793 | 0.00120 | 0.6618 | 294.7052 | 267.5251 | 12.63926 | 7.543 |
| 2026 Mar 08 18:57 | 2026 Mar 04 06:43:33 | 82.5793 | 0.00120 | 0.6618 | 294.7052 | 267.5251 | 12.63926 | 7.543 |
| 2026 Mar 07 18:57 | 2026 Mar 04 06:43:33 | 82.5793 | 0.00120 | 0.6618 | 294.7052 | 267.5251 | 12.63926 | 7.543 |
| 2026 Mar 06 18:56 | 2026 Mar 04 06:43:33 | 82.5793 | 0.00120 | 0.6618 | 294.7052 | 267.5251 | 12.63926 | 7.543 |
| 2026 Mar 05 18:56 | 2026 Mar 04 06:43:33 | 82.5793 | 0.00120 | 0.6618 | 294.7052 | 267.5251 | 12.63926 | 7.543 |
| 2026 Mar 04 18:57 | 2026 Mar 04 06:43:33 | 82.5793 | 0.00120 | 0.6618 | 294.7052 | 267.5251 | 12.63926 | 7.543 |
| 2026 Mar 03 18:56 | 2026 Feb 26 09:53:17 | 82.5780 | 0.00121 | 0.9122 | 309.0021 | 267.5251 | 12.63926 | 7.543 |
| 2026 Mar 02 18:57 | 2026 Feb 26 09:53:17 | 82.5780 | 0.00121 | 0.9122 | 309.0021 | 267.5251 | 12.63926 | 7.543 |
| 2026 Mar 01 18:57 | 2026 Feb 26 09:53:17 | 82.5780 | 0.00121 | 0.9122 | 309.0021 | 267.5251 | 12.63926 | 7.543 |
| 2026 Feb 28 18:56 | 2026 Feb 26 09:53:17 | 82.5780 | 0.00121 | 0.9122 | 309.0021 | 267.5251 | 12.63926 | 7.543 |
| 2026 Feb 27 19:05 | 2026 Feb 26 09:53:17 | 82.5780 | 0.00121 | 0.9122 | 309.0021 | 267.5251 | 12.63926 | 7.543 |
| 2026 Feb 26 20:45 | 2026 Feb 26 09:53:17 | 82.5780 | 0.00121 | 0.9122 | 309.0021 | 267.5251 | 12.63926 | 7.543 |