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 |
| 2026 Jul 30 17:57 | 2026 Jul 27 05:02:45 | 82.9270 | 0.00113 | 19.5470 | 195.7373 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 29 17:57 | 2026 Jul 27 05:02:45 | 82.9270 | 0.00113 | 19.5470 | 195.7373 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 28 17:57 | 2026 Jul 27 05:02:45 | 82.9270 | 0.00113 | 19.5470 | 195.7373 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 27 17:57 | 2026 Jul 27 05:02:45 | 82.9270 | 0.00113 | 19.5470 | 195.7373 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 26 17:56 | 2026 Jul 21 05:39:22 | 82.9273 | 0.00109 | 19.8418 | 213.0543 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 25 17:57 | 2026 Jul 21 05:39:22 | 82.9273 | 0.00109 | 19.8418 | 213.0543 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 24 17:56 | 2026 Jul 21 05:39:22 | 82.9273 | 0.00109 | 19.8418 | 213.0543 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 23 17:57 | 2026 Jul 21 05:39:22 | 82.9273 | 0.00109 | 19.8418 | 213.0543 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 22 17:57 | 2026 Jul 21 05:39:22 | 82.9273 | 0.00109 | 19.8418 | 213.0543 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 21 17:57 | 2026 Jul 21 05:39:22 | 82.9273 | 0.00109 | 19.8418 | 213.0543 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 20 17:57 | 2026 Jul 16 06:41:50 | 82.9275 | 0.00106 | 20.0864 | 227.8879 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 19 19:06 | 2026 Jul 16 06:41:50 | 82.9275 | 0.00106 | 20.0864 | 227.8879 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 19 17:57 | 2026 Jul 16 06:41:50 | 82.9275 | 0.00106 | 20.0864 | 227.8879 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 18 17:57 | 2026 Jul 16 06:41:50 | 82.9275 | 0.00106 | 20.0864 | 227.8879 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 17 17:57 | 2026 Jul 16 06:41:50 | 82.9275 | 0.00106 | 20.0864 | 227.8879 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 16 17:56 | 2026 Jul 16 06:41:50 | 82.9275 | 0.00106 | 20.0864 | 227.8879 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 15 17:57 | 2026 Jul 11 07:50:01 | 82.9275 | 0.00104 | 20.3308 | 243.2123 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 14 17:56 | 2026 Jul 11 07:50:01 | 82.9275 | 0.00104 | 20.3308 | 243.2123 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 13 17:56 | 2026 Jul 11 07:50:01 | 82.9275 | 0.00104 | 20.3308 | 243.2123 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 12 17:56 | 2026 Jul 11 07:50:01 | 82.9275 | 0.00104 | 20.3308 | 243.2123 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 11 17:56 | 2026 Jul 11 07:50:01 | 82.9275 | 0.00104 | 20.3308 | 243.2123 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 09 17:56 | 2026 Jul 04 14:52:47 | 82.9275 | 0.00103 | 20.6618 | 264.2921 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 08 17:56 | 2026 Jul 04 14:52:47 | 82.9275 | 0.00103 | 20.6618 | 264.2921 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 07 17:56 | 2026 Jul 04 14:52:47 | 82.9275 | 0.00103 | 20.6618 | 264.2921 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 06 17:57 | 2026 Jul 04 14:52:47 | 82.9275 | 0.00103 | 20.6618 | 264.2921 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 05 17:56 | 2026 Jul 04 14:52:47 | 82.9275 | 0.00103 | 20.6618 | 264.2921 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 04 17:56 | 2026 Jun 29 10:58:54 | 82.9271 | 0.00102 | 20.9166 | 280.7032 | 193.0257 | 13.73270 | 6.743 |
| 2026 Jul 03 17:57 | 2026 Jun 29 10:58:54 | 82.9271 | 0.00102 | 20.9166 | 280.7032 | 193.0257 | 13.73270 | 6.743 |