Orbital elements of COSMOS 1691 DEB
| Launched | 8 October 1985 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 18565 |
| 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 Sep 15 17:56 | 2025 Sep 14 16:14:30 | 82.4734 | 0.01331 | 22.9902 | 156.1667 | 335.0862 | 13.62449 | – |
| 2025 Sep 12 17:57 | 2025 Sep 01 06:57:28 | 82.4721 | 0.01328 | 23.6802 | 188.7566 | 335.0862 | 13.62449 | – |
| 2025 Sep 11 17:57 | 2025 Sep 01 06:57:28 | 82.4721 | 0.01328 | 23.6802 | 188.7566 | 335.0862 | 13.62449 | – |
| 2025 Sep 10 17:56 | 2025 Sep 01 06:57:28 | 82.4721 | 0.01328 | 23.6802 | 188.7566 | 335.0862 | 13.62449 | – |
| 2025 Sep 08 17:57 | 2025 Sep 01 06:57:28 | 82.4721 | 0.01328 | 23.6802 | 188.7566 | 335.0862 | 13.62449 | – |
| 2025 Sep 07 17:56 | 2025 Sep 01 06:57:28 | 82.4721 | 0.01328 | 23.6802 | 188.7566 | 335.0862 | 13.62449 | – |
| 2025 Sep 06 20:41 | 2025 Sep 01 06:57:28 | 82.4721 | 0.01328 | 23.6802 | 188.7566 | 335.0862 | 13.62449 | – |
| 2025 Sep 03 17:57 | 2025 Sep 01 06:57:28 | 82.4721 | 0.01328 | 23.6802 | 188.7566 | 335.0862 | 13.62449 | – |
| 2025 Sep 02 17:56 | 2025 Aug 25 07:29:43 | 82.4772 | 0.01308 | 0.0399 | 206.1998 | 335.0862 | 13.62449 | – |
| 2025 Sep 01 17:56 | 2025 Aug 25 07:29:43 | 82.4772 | 0.01308 | 0.0399 | 206.1998 | 335.0862 | 13.62449 | – |
| 2025 Aug 31 17:56 | 2025 Aug 25 07:29:43 | 82.4772 | 0.01308 | 0.0399 | 206.1998 | 335.0862 | 13.62449 | – |
| 2025 Aug 30 17:56 | 2025 Aug 25 07:29:43 | 82.4772 | 0.01308 | 0.0399 | 206.1998 | 335.0862 | 13.62449 | – |
| 2025 Aug 29 17:56 | 2025 Aug 25 07:29:43 | 82.4772 | 0.01308 | 0.0399 | 206.1998 | 335.0862 | 13.62449 | – |
| 2025 Aug 28 17:57 | 2025 Aug 25 07:29:43 | 82.4772 | 0.01308 | 0.0399 | 206.1998 | 335.0862 | 13.62449 | – |
| 2025 Aug 27 17:56 | 2025 Aug 21 19:29:11 | 82.4772 | 0.01293 | 0.2202 | 215.1588 | 335.0862 | 13.62449 | – |
| 2025 Aug 26 17:56 | 2025 Aug 21 19:29:11 | 82.4772 | 0.01293 | 0.2202 | 215.1588 | 335.0862 | 13.62449 | – |
| 2025 Aug 25 17:56 | 2025 Aug 21 19:29:11 | 82.4772 | 0.01293 | 0.2202 | 215.1588 | 335.0862 | 13.62449 | – |
| 2025 Aug 24 17:56 | 2025 Aug 21 19:29:11 | 82.4772 | 0.01293 | 0.2202 | 215.1588 | 335.0862 | 13.62449 | – |
| 2025 Aug 23 17:56 | 2025 Aug 21 19:29:11 | 82.4772 | 0.01293 | 0.2202 | 215.1588 | 335.0862 | 13.62449 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 20:17:30 | 82.4783 | 0.01276 | 0.4245 | 225.5316 | 335.0862 | 13.62449 | – |
| 2025 Aug 20 17:56 | 2025 Aug 17 20:17:30 | 82.4783 | 0.01276 | 0.4245 | 225.5316 | 335.0862 | 13.62449 | – |
| 2025 Aug 19 17:56 | 2025 Aug 17 20:17:30 | 82.4783 | 0.01276 | 0.4245 | 225.5316 | 335.0862 | 13.62449 | – |