Orbital elements of COSMOS 1816
| Launched | 28 January 1987 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 17359 |
| 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 Aug 31 17:56 | 2025 Aug 27 18:47:04 | 82.9197 | 0.00313 | 16.1476 | 308.6193 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 30 17:56 | 2025 Aug 27 18:47:04 | 82.9197 | 0.00313 | 16.1476 | 308.6193 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 29 17:56 | 2025 Aug 27 18:47:04 | 82.9197 | 0.00313 | 16.1476 | 308.6193 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 28 17:57 | 2025 Aug 27 18:47:04 | 82.9197 | 0.00313 | 16.1476 | 308.6193 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 27 17:56 | 2025 Aug 23 07:25:51 | 82.9197 | 0.00315 | 16.3690 | 321.4615 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 26 17:56 | 2025 Aug 23 07:25:51 | 82.9197 | 0.00315 | 16.3690 | 321.4615 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 25 17:56 | 2025 Aug 23 07:25:51 | 82.9197 | 0.00315 | 16.3690 | 321.4615 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 24 17:56 | 2025 Aug 23 07:25:51 | 82.9197 | 0.00315 | 16.3690 | 321.4615 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 23 17:56 | 2025 Aug 23 07:25:51 | 82.9197 | 0.00315 | 16.3690 | 321.4615 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 22 17:56 | 2025 Aug 17 19:27:12 | 82.9198 | 0.00319 | 16.6412 | 337.1239 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 20 17:56 | 2025 Aug 17 19:27:12 | 82.9198 | 0.00319 | 16.6412 | 337.1239 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 19 17:56 | 2025 Aug 17 19:27:12 | 82.9198 | 0.00319 | 16.6412 | 337.1239 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 18 17:56 | 2025 Aug 17 19:27:12 | 82.9198 | 0.00319 | 16.6412 | 337.1239 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 16 17:56 | 2025 Aug 11 20:12:19 | 82.9203 | 0.00322 | 16.9367 | 354.0135 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 15 17:57 | 2025 Aug 11 20:12:19 | 82.9203 | 0.00322 | 16.9367 | 354.0135 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 14 17:56 | 2025 Aug 11 20:12:19 | 82.9203 | 0.00322 | 16.9367 | 354.0135 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 13 17:58 | 2025 Aug 11 20:12:19 | 82.9203 | 0.00322 | 16.9367 | 354.0135 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 12 17:56 | 2025 Aug 11 20:12:19 | 82.9203 | 0.00322 | 16.9367 | 354.0135 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 11 17:56 | 2025 Aug 06 21:24:50 | 82.9208 | 0.00326 | 17.1817 | 7.8173 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 10 17:57 | 2025 Aug 06 21:24:50 | 82.9208 | 0.00326 | 17.1817 | 7.8173 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 09 17:56 | 2025 Aug 06 21:24:50 | 82.9208 | 0.00326 | 17.1817 | 7.8173 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 08 17:56 | 2025 Aug 06 21:24:50 | 82.9208 | 0.00326 | 17.1817 | 7.8173 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 07 17:56 | 2025 Aug 06 21:24:50 | 82.9208 | 0.00326 | 17.1817 | 7.8173 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 05 17:56 | 2025 Aug 01 04:37:24 | 82.9214 | 0.00329 | 17.4639 | 23.5766 | 224.7651 | 13.74613 | 6.743 |
| 2025 Aug 04 17:56 | 2025 Aug 01 04:37:24 | 82.9214 | 0.00329 | 17.4639 | 23.5766 | 224.7651 | 13.74613 | 6.743 |