Orbital elements of COSMOS 1861
| Launched | 22 June 1987 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 18129 |
| 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 Dec 19 18:57 | 2025 Dec 11 19:55:15 | 82.9255 | 0.00128 | 6.7705 | 112.9355 | 0.1084 | 13.73249 | 6.743 |
| 2025 Dec 18 18:57 | 2025 Dec 11 19:55:15 | 82.9255 | 0.00128 | 6.7705 | 112.9355 | 0.1084 | 13.73249 | 6.743 |
| 2025 Dec 17 18:58 | 2025 Dec 11 19:55:15 | 82.9255 | 0.00128 | 6.7705 | 112.9355 | 0.1084 | 13.73249 | 6.743 |
| 2025 Dec 16 18:57 | 2025 Dec 11 19:55:15 | 82.9255 | 0.00128 | 6.7705 | 112.9355 | 0.1084 | 13.73249 | 6.743 |
| 2025 Dec 15 18:58 | 2025 Dec 11 19:55:15 | 82.9255 | 0.00128 | 6.7705 | 112.9355 | 0.1084 | 13.73249 | 6.743 |
| 2025 Dec 14 18:56 | 2025 Dec 11 19:55:15 | 82.9255 | 0.00128 | 6.7705 | 112.9355 | 0.1084 | 13.73249 | 6.743 |
| 2025 Dec 13 18:56 | 2025 Dec 11 19:55:15 | 82.9255 | 0.00128 | 6.7705 | 112.9355 | 0.1084 | 13.73249 | 6.743 |
| 2025 Dec 12 18:57 | 2025 Dec 11 19:55:15 | 82.9255 | 0.00128 | 6.7705 | 112.9355 | 0.1084 | 13.73249 | 6.743 |
| 2025 Dec 11 18:56 | 2025 Dec 07 02:32:52 | 82.9251 | 0.00128 | 7.0036 | 124.8428 | 0.1084 | 13.73249 | 6.743 |
| 2025 Dec 10 18:56 | 2025 Dec 07 02:32:52 | 82.9251 | 0.00128 | 7.0036 | 124.8428 | 0.1084 | 13.73249 | 6.743 |
| 2025 Dec 09 18:56 | 2025 Dec 07 02:32:52 | 82.9251 | 0.00128 | 7.0036 | 124.8428 | 0.1084 | 13.73249 | 6.743 |
| 2025 Dec 08 18:56 | 2025 Dec 07 02:32:52 | 82.9251 | 0.00128 | 7.0036 | 124.8428 | 0.1084 | 13.73249 | 6.743 |
| 2025 Dec 07 18:56 | 2025 Dec 07 02:32:52 | 82.9251 | 0.00128 | 7.0036 | 124.8428 | 0.1084 | 13.73249 | 6.743 |
| 2025 Dec 06 18:56 | 2025 Dec 02 11:52:23 | 82.9248 | 0.00126 | 7.2312 | 136.6162 | 0.1084 | 13.73249 | 6.743 |
| 2025 Dec 05 18:57 | 2025 Dec 02 11:52:23 | 82.9248 | 0.00126 | 7.2312 | 136.6162 | 0.1084 | 13.73249 | 6.743 |
| 2025 Dec 04 18:57 | 2025 Dec 02 11:52:23 | 82.9248 | 0.00126 | 7.2312 | 136.6162 | 0.1084 | 13.73249 | 6.743 |
| 2025 Dec 03 18:56 | 2025 Dec 02 11:52:23 | 82.9248 | 0.00126 | 7.2312 | 136.6162 | 0.1084 | 13.73249 | 6.743 |
| 2025 Dec 02 18:56 | 2025 Dec 02 11:52:23 | 82.9248 | 0.00126 | 7.2312 | 136.6162 | 0.1084 | 13.73249 | 6.743 |
| 2025 Nov 30 18:57 | 2025 Nov 25 11:59:25 | 82.9240 | 0.00123 | 7.5765 | 154.5280 | 0.1084 | 13.73249 | 6.743 |
| 2025 Nov 29 18:56 | 2025 Nov 25 11:59:25 | 82.9240 | 0.00123 | 7.5765 | 154.5280 | 0.1084 | 13.73249 | 6.743 |
| 2025 Nov 28 18:57 | 2025 Nov 25 11:59:25 | 82.9240 | 0.00123 | 7.5765 | 154.5280 | 0.1084 | 13.73249 | 6.743 |
| 2025 Nov 27 18:57 | 2025 Nov 25 11:59:25 | 82.9240 | 0.00123 | 7.5765 | 154.5280 | 0.1084 | 13.73249 | 6.743 |
| 2025 Nov 26 18:57 | 2025 Nov 25 11:59:25 | 82.9240 | 0.00123 | 7.5765 | 154.5280 | 0.1084 | 13.73249 | 6.743 |
| 2025 Nov 25 18:57 | 2025 Nov 25 11:59:25 | 82.9240 | 0.00123 | 7.5765 | 154.5280 | 0.1084 | 13.73249 | 6.743 |
| 2025 Nov 24 18:56 | 2025 Nov 20 04:51:29 | 82.9235 | 0.00119 | 7.8379 | 168.8616 | 0.1084 | 13.73249 | 6.743 |
| 2025 Nov 23 18:57 | 2025 Nov 20 04:51:29 | 82.9235 | 0.00119 | 7.8379 | 168.8616 | 0.1084 | 13.73249 | 6.743 |