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 |
| 2025 Nov 03 18:57 | 2025 Nov 02 11:59:45 | 74.0017 | 0.00380 | 6.4064 | 149.8936 | 210.4313 | 12.54269 | – |
| 2025 Nov 02 18:57 | 2025 Oct 29 12:17:25 | 74.0010 | 0.00381 | 6.7631 | 155.9464 | 210.4313 | 12.54269 | – |
| 2025 Nov 01 18:58 | 2025 Oct 29 12:17:25 | 74.0010 | 0.00381 | 6.7631 | 155.9464 | 210.4313 | 12.54269 | – |
| 2025 Oct 31 18:57 | 2025 Oct 29 12:17:25 | 74.0010 | 0.00381 | 6.7631 | 155.9464 | 210.4313 | 12.54269 | – |
| 2025 Oct 30 18:57 | 2025 Oct 29 12:17:25 | 74.0010 | 0.00381 | 6.7631 | 155.9464 | 210.4313 | 12.54269 | – |
| 2025 Oct 29 18:57 | 2025 Oct 29 12:17:25 | 74.0010 | 0.00381 | 6.7631 | 155.9464 | 210.4313 | 12.54269 | – |
| 2025 Oct 28 18:57 | 2025 Oct 23 22:18:09 | 74.0005 | 0.00382 | 7.2625 | 164.4663 | 210.4313 | 12.54269 | – |
| 2025 Oct 27 18:57 | 2025 Oct 23 22:18:09 | 74.0005 | 0.00382 | 7.2625 | 164.4663 | 210.4313 | 12.54269 | – |
| 2025 Oct 26 18:57 | 2025 Oct 23 22:18:09 | 74.0005 | 0.00382 | 7.2625 | 164.4663 | 210.4313 | 12.54269 | – |
| 2025 Oct 25 17:57 | 2025 Oct 23 22:18:09 | 74.0005 | 0.00382 | 7.2625 | 164.4663 | 210.4313 | 12.54269 | – |
| 2025 Oct 24 17:57 | 2025 Oct 23 22:18:09 | 74.0005 | 0.00382 | 7.2625 | 164.4663 | 210.4313 | 12.54269 | – |
| 2025 Oct 22 17:56 | 2025 Oct 18 06:24:03 | 74.0003 | 0.00383 | 7.7691 | 173.0209 | 210.4313 | 12.54269 | – |
| 2025 Oct 21 17:56 | 2025 Oct 18 06:24:03 | 74.0003 | 0.00383 | 7.7691 | 173.0209 | 210.4313 | 12.54269 | – |
| 2025 Oct 20 17:56 | 2025 Oct 18 06:24:03 | 74.0003 | 0.00383 | 7.7691 | 173.0209 | 210.4313 | 12.54269 | – |
| 2025 Oct 19 17:56 | 2025 Oct 18 06:24:03 | 74.0003 | 0.00383 | 7.7691 | 173.0209 | 210.4313 | 12.54269 | – |
| 2025 Oct 18 17:56 | 2025 Oct 18 06:24:03 | 74.0003 | 0.00383 | 7.7691 | 173.0209 | 210.4313 | 12.54269 | – |
| 2025 Oct 17 17:56 | 2025 Oct 07 08:10:03 | 74.0015 | 0.00385 | 8.7465 | 189.5717 | 210.4313 | 12.54269 | – |
| 2025 Oct 16 17:56 | 2025 Oct 07 08:10:03 | 74.0015 | 0.00385 | 8.7465 | 189.5717 | 210.4313 | 12.54269 | – |
| 2025 Oct 15 17:56 | 2025 Oct 07 08:10:03 | 74.0015 | 0.00385 | 8.7465 | 189.5717 | 210.4313 | 12.54269 | – |
| 2025 Oct 14 17:56 | 2025 Oct 07 08:10:03 | 74.0015 | 0.00385 | 8.7465 | 189.5717 | 210.4313 | 12.54269 | – |
| 2025 Oct 12 17:56 | 2025 Oct 07 08:10:03 | 74.0015 | 0.00385 | 8.7465 | 189.5717 | 210.4313 | 12.54269 | – |
| 2025 Oct 11 17:57 | 2025 Oct 07 08:10:03 | 74.0015 | 0.00385 | 8.7465 | 189.5717 | 210.4313 | 12.54269 | – |
| 2025 Oct 09 17:56 | 2025 Oct 07 08:10:03 | 74.0015 | 0.00385 | 8.7465 | 189.5717 | 210.4313 | 12.54269 | – |
| 2025 Oct 08 17:56 | 2025 Oct 07 08:10:03 | 74.0015 | 0.00385 | 8.7465 | 189.5717 | 210.4313 | 12.54269 | – |
| 2025 Oct 07 17:56 | 2025 Oct 07 08:10:03 | 74.0015 | 0.00385 | 8.7465 | 189.5717 | 210.4313 | 12.54269 | – |