Orbital elements of COSMOS 1855
| Launched | 15 June 1987 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 18116 |
| 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 01:34:42 | 74.0016 | 0.00196 | 18.9670 | 4.6532 | 23.9610 | 12.50728 | – |
| 2025 Sep 12 17:57 | 2025 Sep 03 03:34:21 | 74.0043 | 0.00194 | 20.0260 | 22.8008 | 23.9610 | 12.50728 | – |
| 2025 Sep 11 17:57 | 2025 Sep 03 03:34:21 | 74.0043 | 0.00194 | 20.0260 | 22.8008 | 23.9610 | 12.50728 | – |
| 2025 Sep 10 17:56 | 2025 Sep 03 03:34:21 | 74.0043 | 0.00194 | 20.0260 | 22.8008 | 23.9610 | 12.50728 | – |
| 2025 Sep 08 17:57 | 2025 Sep 03 03:34:21 | 74.0043 | 0.00194 | 20.0260 | 22.8008 | 23.9610 | 12.50728 | – |
| 2025 Sep 07 17:56 | 2025 Sep 03 03:34:21 | 74.0043 | 0.00194 | 20.0260 | 22.8008 | 23.9610 | 12.50728 | – |
| 2025 Sep 06 20:41 | 2025 Sep 03 03:34:21 | 74.0043 | 0.00194 | 20.0260 | 22.8008 | 23.9610 | 12.50728 | – |
| 2025 Sep 03 17:57 | 2025 Sep 03 03:34:21 | 74.0043 | 0.00194 | 20.0260 | 22.8008 | 23.9610 | 12.50728 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 16:34:24 | 74.0056 | 0.00193 | 20.5998 | 32.7502 | 23.9610 | 12.50728 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 16:34:24 | 74.0056 | 0.00193 | 20.5998 | 32.7502 | 23.9610 | 12.50728 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 16:34:24 | 74.0056 | 0.00193 | 20.5998 | 32.7502 | 23.9610 | 12.50728 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 16:34:24 | 74.0056 | 0.00193 | 20.5998 | 32.7502 | 23.9610 | 12.50728 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 16:34:24 | 74.0056 | 0.00193 | 20.5998 | 32.7502 | 23.9610 | 12.50728 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 16:34:24 | 74.0056 | 0.00193 | 20.5998 | 32.7502 | 23.9610 | 12.50728 | – |
| 2025 Aug 27 17:56 | 2025 Aug 22 09:37:45 | 74.0065 | 0.00193 | 21.0697 | 40.9621 | 23.9610 | 12.50728 | – |
| 2025 Aug 26 17:56 | 2025 Aug 22 09:37:45 | 74.0065 | 0.00193 | 21.0697 | 40.9621 | 23.9610 | 12.50728 | – |
| 2025 Aug 25 17:56 | 2025 Aug 22 09:37:45 | 74.0065 | 0.00193 | 21.0697 | 40.9621 | 23.9610 | 12.50728 | – |
| 2025 Aug 24 17:56 | 2025 Aug 22 09:37:45 | 74.0065 | 0.00193 | 21.0697 | 40.9621 | 23.9610 | 12.50728 | – |
| 2025 Aug 23 17:56 | 2025 Aug 22 09:37:45 | 74.0065 | 0.00193 | 21.0697 | 40.9621 | 23.9610 | 12.50728 | – |
| 2025 Aug 22 17:56 | 2025 Aug 18 13:10:46 | 74.0070 | 0.00193 | 21.4119 | 46.9175 | 23.9610 | 12.50728 | – |