Orbital elements of COSMOS 1287
| Launched | 5 August 1981 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 12636 |
| 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 |
| 2024 Jul 15 17:53 | 2024 Jul 10 08:22:12 | 74.0337 | 0.00307 | 3.5328 | 340.9461 | 19.0436 | 12.44338 | – |
| 2024 Jul 14 17:57 | 2024 Jul 10 08:22:12 | 74.0337 | 0.00307 | 3.5328 | 340.9461 | 19.0436 | 12.44338 | – |
| 2024 Jul 13 17:52 | 2024 Jul 10 08:22:12 | 74.0337 | 0.00307 | 3.5328 | 340.9461 | 19.0436 | 12.44338 | – |
| 2024 Jul 12 17:53 | 2024 Jul 10 08:22:12 | 74.0337 | 0.00307 | 3.5328 | 340.9461 | 19.0436 | 12.44338 | – |
| 2024 Jul 11 17:57 | 2024 Jul 10 08:22:12 | 74.0337 | 0.00307 | 3.5328 | 340.9461 | 19.0436 | 12.44338 | – |
| 2024 Jul 10 17:54 | 2024 Jul 10 08:22:12 | 74.0337 | 0.00307 | 3.5328 | 340.9461 | 19.0436 | 12.44338 | – |
| 2024 Jul 09 18:45 | 2024 Jun 29 19:37:20 | 74.0343 | 0.00306 | 4.4558 | 356.5107 | 19.0436 | 12.44338 | – |
| 2024 Jul 08 17:53 | 2024 Jun 29 19:37:20 | 74.0343 | 0.00306 | 4.4558 | 356.5107 | 19.0436 | 12.44338 | – |
| 2024 Jul 07 17:52 | 2024 Jun 29 19:37:20 | 74.0343 | 0.00306 | 4.4558 | 356.5107 | 19.0436 | 12.44338 | – |
| 2024 Jul 06 17:57 | 2024 Jun 29 19:37:20 | 74.0343 | 0.00306 | 4.4558 | 356.5107 | 19.0436 | 12.44338 | – |
| 2024 Jul 05 17:52 | 2024 Jun 29 19:37:20 | 74.0343 | 0.00306 | 4.4558 | 356.5107 | 19.0436 | 12.44338 | – |
| 2024 Jul 04 17:55 | 2024 Jun 29 19:37:20 | 74.0343 | 0.00306 | 4.4558 | 356.5107 | 19.0436 | 12.44338 | – |
| 2024 Jul 03 17:54 | 2024 Jun 29 19:37:20 | 74.0343 | 0.00306 | 4.4558 | 356.5107 | 19.0436 | 12.44338 | – |
| 2024 Jul 02 17:52 | 2024 Jun 29 19:37:20 | 74.0343 | 0.00306 | 4.4558 | 356.5107 | 19.0436 | 12.44338 | – |
| 2024 Jul 01 17:55 | 2024 Jun 29 19:37:20 | 74.0343 | 0.00306 | 4.4558 | 356.5107 | 19.0436 | 12.44338 | – |
| 2024 Jun 30 17:54 | 2024 Jun 29 19:37:20 | 74.0343 | 0.00306 | 4.4558 | 356.5107 | 19.0436 | 12.44338 | – |
| 2024 Jun 29 17:53 | 2024 Jun 25 03:43:07 | 74.0344 | 0.00305 | 4.8644 | 3.3657 | 19.0436 | 12.44338 | – |
| 2024 Jun 28 17:53 | 2024 Jun 25 03:43:07 | 74.0344 | 0.00305 | 4.8644 | 3.3657 | 19.0436 | 12.44338 | – |
| 2024 Jun 27 17:54 | 2024 Jun 25 03:43:07 | 74.0344 | 0.00305 | 4.8644 | 3.3657 | 19.0436 | 12.44338 | – |
| 2024 Jun 26 17:54 | 2024 Jun 25 03:43:07 | 74.0344 | 0.00305 | 4.8644 | 3.3657 | 19.0436 | 12.44338 | – |
| 2024 Jun 25 17:52 | 2024 Jun 25 03:43:07 | 74.0344 | 0.00305 | 4.8644 | 3.3657 | 19.0436 | 12.44338 | – |
| 2024 Jun 24 17:53 | 2024 Jun 19 10:43:59 | 74.0344 | 0.00304 | 5.3647 | 11.8516 | 19.0436 | 12.44338 | – |
| 2024 Jun 23 17:52 | 2024 Jun 19 10:43:59 | 74.0344 | 0.00304 | 5.3647 | 11.8516 | 19.0436 | 12.44338 | – |
| 2024 Jun 22 17:57 | 2024 Jun 19 10:43:59 | 74.0344 | 0.00304 | 5.3647 | 11.8516 | 19.0436 | 12.44338 | – |
| 2024 Jun 21 17:57 | 2024 Jun 19 10:43:59 | 74.0344 | 0.00304 | 5.3647 | 11.8516 | 19.0436 | 12.44338 | – |
| 2024 Jun 20 17:56 | 2024 Jun 19 10:43:59 | 74.0344 | 0.00304 | 5.3647 | 11.8516 | 19.0436 | 12.44338 | – |
| 2024 Jun 19 17:54 | 2024 Jun 19 10:43:59 | 74.0344 | 0.00304 | 5.3647 | 11.8516 | 19.0436 | 12.44338 | – |
| 2024 Jun 18 17:54 | 2024 Jun 14 11:06:43 | 74.0341 | 0.00304 | 5.8014 | 19.2188 | 19.0436 | 12.44338 | – |