Orbital elements of COSMOS 1857
| Launched | 15 June 1987 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 18118 |
| 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 31 10:31:13 | 74.0046 | 0.00375 | 1.1348 | 59.2648 | 301.2094 | 12.54270 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 10:31:13 | 74.0046 | 0.00375 | 1.1348 | 59.2648 | 301.2094 | 12.54270 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 11:50:45 | 74.0047 | 0.00375 | 1.5772 | 66.8894 | 301.2094 | 12.54270 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 11:50:45 | 74.0047 | 0.00375 | 1.5772 | 66.8894 | 301.2094 | 12.54270 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 11:50:45 | 74.0047 | 0.00375 | 1.5772 | 66.8894 | 301.2094 | 12.54270 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 11:50:45 | 74.0047 | 0.00375 | 1.5772 | 66.8894 | 301.2094 | 12.54270 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 11:50:45 | 74.0047 | 0.00375 | 1.5772 | 66.8894 | 301.2094 | 12.54270 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 10:22:27 | 74.0050 | 0.00375 | 2.1194 | 76.2367 | 301.2094 | 12.54270 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 10:22:27 | 74.0050 | 0.00375 | 2.1194 | 76.2367 | 301.2094 | 12.54270 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 10:22:27 | 74.0050 | 0.00375 | 2.1194 | 76.2367 | 301.2094 | 12.54270 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 10:22:27 | 74.0050 | 0.00375 | 2.1194 | 76.2367 | 301.2094 | 12.54270 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 10:22:27 | 74.0050 | 0.00375 | 2.1194 | 76.2367 | 301.2094 | 12.54270 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 10:22:27 | 74.0050 | 0.00375 | 2.1194 | 76.2367 | 301.2094 | 12.54270 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 07:08:08 | 74.0057 | 0.00375 | 2.8470 | 88.8260 | 301.2094 | 12.54270 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 07:08:08 | 74.0057 | 0.00375 | 2.8470 | 88.8260 | 301.2094 | 12.54270 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 07:08:08 | 74.0057 | 0.00375 | 2.8470 | 88.8260 | 301.2094 | 12.54270 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 07:08:08 | 74.0057 | 0.00375 | 2.8470 | 88.8260 | 301.2094 | 12.54270 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 07:08:08 | 74.0057 | 0.00375 | 2.8470 | 88.8260 | 301.2094 | 12.54270 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 07:08:08 | 74.0057 | 0.00375 | 2.8470 | 88.8260 | 301.2094 | 12.54270 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 07:08:08 | 74.0057 | 0.00375 | 2.8470 | 88.8260 | 301.2094 | 12.54270 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 07:08:08 | 74.0057 | 0.00375 | 2.8470 | 88.8260 | 301.2094 | 12.54270 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 04:37:58 | 74.0058 | 0.00375 | 3.3035 | 96.7068 | 301.2094 | 12.54270 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 04:37:58 | 74.0058 | 0.00375 | 3.3035 | 96.7068 | 301.2094 | 12.54270 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 04:37:58 | 74.0058 | 0.00375 | 3.3035 | 96.7068 | 301.2094 | 12.54270 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 04:37:58 | 74.0058 | 0.00375 | 3.3035 | 96.7068 | 301.2094 | 12.54270 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 04:37:58 | 74.0058 | 0.00375 | 3.3035 | 96.7068 | 301.2094 | 12.54270 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 11:42:02 | 74.0059 | 0.00375 | 3.7243 | 103.9677 | 301.2094 | 12.54270 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 11:42:02 | 74.0059 | 0.00375 | 3.7243 | 103.9677 | 301.2094 | 12.54270 | – |