Orbital elements of COSMOS 1690
| Launched | 8 October 1985 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 16138 |
| 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 25 18:57 | 2025 Dec 20 11:27:08 | 82.6080 | 0.00216 | 22.3639 | 345.6198 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 24 18:56 | 2025 Dec 20 11:27:08 | 82.6080 | 0.00216 | 22.3639 | 345.6198 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 23 18:56 | 2025 Dec 20 11:27:08 | 82.6080 | 0.00216 | 22.3639 | 345.6198 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 22 18:57 | 2025 Dec 20 11:27:08 | 82.6080 | 0.00216 | 22.3639 | 345.6198 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 21 18:57 | 2025 Dec 20 11:27:08 | 82.6080 | 0.00216 | 22.3639 | 345.6198 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 20 18:57 | 2025 Dec 20 11:27:08 | 82.6080 | 0.00216 | 22.3639 | 345.6198 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 19 18:57 | 2025 Dec 12 02:09:34 | 82.6077 | 0.00219 | 22.7219 | 4.7360 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 18 18:57 | 2025 Dec 12 02:09:34 | 82.6077 | 0.00219 | 22.7219 | 4.7360 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 17 18:58 | 2025 Dec 12 02:09:34 | 82.6077 | 0.00219 | 22.7219 | 4.7360 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 16 18:57 | 2025 Dec 12 02:09:34 | 82.6077 | 0.00219 | 22.7219 | 4.7360 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 15 18:58 | 2025 Dec 12 02:09:34 | 82.6077 | 0.00219 | 22.7219 | 4.7360 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 14 18:56 | 2025 Dec 12 02:09:34 | 82.6077 | 0.00219 | 22.7219 | 4.7360 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 13 18:56 | 2025 Dec 12 02:09:34 | 82.6077 | 0.00219 | 22.7219 | 4.7360 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 12 18:57 | 2025 Dec 12 02:09:34 | 82.6077 | 0.00219 | 22.7219 | 4.7360 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 11 18:56 | 2025 Dec 07 06:10:26 | 82.6076 | 0.00221 | 22.9282 | 15.6588 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 10 18:56 | 2025 Dec 07 06:10:26 | 82.6076 | 0.00221 | 22.9282 | 15.6588 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 09 18:56 | 2025 Dec 07 06:10:26 | 82.6076 | 0.00221 | 22.9282 | 15.6588 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 08 18:56 | 2025 Dec 07 06:10:26 | 82.6076 | 0.00221 | 22.9282 | 15.6588 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 07 18:56 | 2025 Dec 07 06:10:26 | 82.6076 | 0.00221 | 22.9282 | 15.6588 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 06 18:56 | 2025 Dec 02 11:18:57 | 82.6079 | 0.00223 | 23.1324 | 26.4769 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 05 18:57 | 2025 Dec 02 11:18:57 | 82.6079 | 0.00223 | 23.1324 | 26.4769 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 04 18:57 | 2025 Dec 02 11:18:57 | 82.6079 | 0.00223 | 23.1324 | 26.4769 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 03 18:56 | 2025 Dec 02 11:18:57 | 82.6079 | 0.00223 | 23.1324 | 26.4769 | 131.7384 | 12.66101 | 8.243 |
| 2025 Dec 02 18:56 | 2025 Dec 02 11:18:57 | 82.6079 | 0.00223 | 23.1324 | 26.4769 | 131.7384 | 12.66101 | 8.243 |
| 2025 Nov 30 18:57 | 2025 Nov 25 12:21:54 | 82.6085 | 0.00225 | 23.4294 | 42.0648 | 131.7384 | 12.66101 | 8.243 |
| 2025 Nov 29 18:56 | 2025 Nov 25 12:21:54 | 82.6085 | 0.00225 | 23.4294 | 42.0648 | 131.7384 | 12.66101 | 8.243 |
| 2025 Nov 28 18:57 | 2025 Nov 25 12:21:54 | 82.6085 | 0.00225 | 23.4294 | 42.0648 | 131.7384 | 12.66101 | 8.243 |