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 |
| 2025 Sep 15 17:56 | 2025 Sep 11 08:25:38 | 70.8639 | 0.44963 | 13.1556 | 47.0399 | 91.6562 | 2.00446 | – |
| 2025 Sep 12 17:57 | 2025 Sep 02 20:16:08 | 70.8638 | 0.44915 | 13.1749 | 47.2822 | 91.6562 | 2.00446 | – |
| 2025 Sep 11 17:57 | 2025 Sep 02 20:16:08 | 70.8638 | 0.44915 | 13.1749 | 47.2822 | 91.6562 | 2.00446 | – |
| 2025 Sep 10 17:56 | 2025 Sep 02 20:16:08 | 70.8638 | 0.44915 | 13.1749 | 47.2822 | 91.6562 | 2.00446 | – |
| 2025 Sep 08 17:57 | 2025 Sep 02 20:16:08 | 70.8638 | 0.44915 | 13.1749 | 47.2822 | 91.6562 | 2.00446 | – |
| 2025 Sep 07 17:56 | 2025 Sep 02 20:16:08 | 70.8638 | 0.44915 | 13.1749 | 47.2822 | 91.6562 | 2.00446 | – |
| 2025 Sep 06 20:41 | 2025 Sep 02 20:16:08 | 70.8638 | 0.44915 | 13.1749 | 47.2822 | 91.6562 | 2.00446 | – |
| 2025 Sep 03 17:57 | 2025 Sep 02 20:16:08 | 70.8638 | 0.44915 | 13.1749 | 47.2822 | 91.6562 | 2.00446 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 20:33:10 | 70.8639 | 0.44882 | 13.1885 | 47.4526 | 91.6562 | 2.00446 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 20:33:10 | 70.8639 | 0.44882 | 13.1885 | 47.4526 | 91.6562 | 2.00446 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 20:33:10 | 70.8639 | 0.44882 | 13.1885 | 47.4526 | 91.6562 | 2.00446 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 20:33:10 | 70.8639 | 0.44882 | 13.1885 | 47.4526 | 91.6562 | 2.00446 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 20:33:10 | 70.8639 | 0.44882 | 13.1885 | 47.4526 | 91.6562 | 2.00446 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 20:33:10 | 70.8639 | 0.44882 | 13.1885 | 47.4526 | 91.6562 | 2.00446 | – |
| 2025 Aug 27 17:56 | 2025 Aug 21 09:12:05 | 70.8636 | 0.44847 | 13.2032 | 47.6361 | 91.6562 | 2.00446 | – |
| 2025 Aug 26 17:56 | 2025 Aug 21 09:12:05 | 70.8636 | 0.44847 | 13.2032 | 47.6361 | 91.6562 | 2.00446 | – |
| 2025 Aug 25 17:56 | 2025 Aug 21 09:12:05 | 70.8636 | 0.44847 | 13.2032 | 47.6361 | 91.6562 | 2.00446 | – |
| 2025 Aug 24 17:56 | 2025 Aug 21 09:12:05 | 70.8636 | 0.44847 | 13.2032 | 47.6361 | 91.6562 | 2.00446 | – |
| 2025 Aug 23 17:56 | 2025 Aug 21 09:12:05 | 70.8636 | 0.44847 | 13.2032 | 47.6361 | 91.6562 | 2.00446 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 00:09:41 | 70.8633 | 0.44825 | 13.2131 | 47.7608 | 91.6562 | 2.00446 | – |