Orbital elements of COSMOS 1851
| Launched | 11 June 1987 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 18103 |
| 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 Jan 01 18:56 | 2025 Dec 30 02:58:39 | 70.8712 | 0.45583 | 12.9038 | 43.9044 | 85.9423 | 2.00357 | – |
| 2025 Dec 31 18:57 | 2025 Dec 30 02:58:39 | 70.8712 | 0.45583 | 12.9038 | 43.9044 | 85.9423 | 2.00357 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 03:37:19 | 70.8702 | 0.45560 | 12.9130 | 44.0168 | 85.9423 | 2.00357 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 03:37:19 | 70.8702 | 0.45560 | 12.9130 | 44.0168 | 85.9423 | 2.00357 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 03:37:19 | 70.8702 | 0.45560 | 12.9130 | 44.0168 | 85.9423 | 2.00357 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 03:37:19 | 70.8702 | 0.45560 | 12.9130 | 44.0168 | 85.9423 | 2.00357 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 03:37:19 | 70.8702 | 0.45560 | 12.9130 | 44.0168 | 85.9423 | 2.00357 | – |
| 2025 Dec 25 18:57 | 2025 Dec 18 12:54:31 | 70.8681 | 0.45516 | 12.9306 | 44.2337 | 85.9423 | 2.00357 | – |
| 2025 Dec 24 18:56 | 2025 Dec 18 12:54:31 | 70.8681 | 0.45516 | 12.9306 | 44.2337 | 85.9423 | 2.00357 | – |
| 2025 Dec 23 18:56 | 2025 Dec 18 12:54:31 | 70.8681 | 0.45516 | 12.9306 | 44.2337 | 85.9423 | 2.00357 | – |
| 2025 Dec 22 18:57 | 2025 Dec 18 12:54:31 | 70.8681 | 0.45516 | 12.9306 | 44.2337 | 85.9423 | 2.00357 | – |
| 2025 Dec 21 18:57 | 2025 Dec 18 12:54:31 | 70.8681 | 0.45516 | 12.9306 | 44.2337 | 85.9423 | 2.00357 | – |
| 2025 Dec 20 18:57 | 2025 Dec 18 12:54:31 | 70.8681 | 0.45516 | 12.9306 | 44.2337 | 85.9423 | 2.00357 | – |
| 2025 Dec 19 18:57 | 2025 Dec 11 06:20:15 | 70.8664 | 0.45475 | 12.9474 | 44.4403 | 85.9423 | 2.00357 | – |
| 2025 Dec 18 18:57 | 2025 Dec 11 06:20:15 | 70.8664 | 0.45475 | 12.9474 | 44.4403 | 85.9423 | 2.00357 | – |
| 2025 Dec 17 18:58 | 2025 Dec 11 06:20:15 | 70.8664 | 0.45475 | 12.9474 | 44.4403 | 85.9423 | 2.00357 | – |
| 2025 Dec 16 18:57 | 2025 Dec 11 06:20:15 | 70.8664 | 0.45475 | 12.9474 | 44.4403 | 85.9423 | 2.00357 | – |
| 2025 Dec 15 18:58 | 2025 Dec 11 06:20:15 | 70.8664 | 0.45475 | 12.9474 | 44.4403 | 85.9423 | 2.00357 | – |
| 2025 Dec 14 18:56 | 2025 Dec 11 06:20:15 | 70.8664 | 0.45475 | 12.9474 | 44.4403 | 85.9423 | 2.00357 | – |
| 2025 Dec 13 18:56 | 2025 Dec 11 06:20:15 | 70.8664 | 0.45475 | 12.9474 | 44.4403 | 85.9423 | 2.00357 | – |
| 2025 Dec 12 18:57 | 2025 Dec 11 06:20:15 | 70.8664 | 0.45475 | 12.9474 | 44.4403 | 85.9423 | 2.00357 | – |
| 2025 Dec 11 18:56 | 2025 Dec 06 04:27:38 | 70.8652 | 0.45446 | 12.9591 | 44.5850 | 85.9423 | 2.00357 | – |
| 2025 Dec 10 18:56 | 2025 Dec 06 04:27:38 | 70.8652 | 0.45446 | 12.9591 | 44.5850 | 85.9423 | 2.00357 | – |
| 2025 Dec 09 18:56 | 2025 Dec 06 04:27:38 | 70.8652 | 0.45446 | 12.9591 | 44.5850 | 85.9423 | 2.00357 | – |
| 2025 Dec 08 18:56 | 2025 Dec 06 04:27:38 | 70.8652 | 0.45446 | 12.9591 | 44.5850 | 85.9423 | 2.00357 | – |
| 2025 Dec 07 18:56 | 2025 Dec 06 04:27:38 | 70.8652 | 0.45446 | 12.9591 | 44.5850 | 85.9423 | 2.00357 | – |
| 2025 Dec 06 18:56 | 2025 Nov 30 05:49:19 | 70.8641 | 0.45411 | 12.9728 | 44.7548 | 85.9423 | 2.00357 | – |
| 2025 Dec 05 18:57 | 2025 Nov 30 05:49:19 | 70.8641 | 0.45411 | 12.9728 | 44.7548 | 85.9423 | 2.00357 | – |