Orbital elements of SL-8 DEB
| Launched | 11 February 1991 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21161 |
| 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 23:16:09 | 74.0716 | 0.01329 | 14.8132 | 294.9826 | 122.2903 | 12.19448 | – |
| 2025 Sep 12 17:57 | 2025 Sep 03 05:31:40 | 74.0697 | 0.01328 | 15.7928 | 311.6180 | 122.2903 | 12.19448 | – |
| 2025 Sep 11 17:57 | 2025 Sep 03 05:31:40 | 74.0697 | 0.01328 | 15.7928 | 311.6180 | 122.2903 | 12.19448 | – |
| 2025 Sep 10 17:56 | 2025 Sep 03 05:31:40 | 74.0697 | 0.01328 | 15.7928 | 311.6180 | 122.2903 | 12.19448 | – |
| 2025 Sep 08 17:57 | 2025 Sep 03 05:31:40 | 74.0697 | 0.01328 | 15.7928 | 311.6180 | 122.2903 | 12.19448 | – |
| 2025 Sep 07 17:56 | 2025 Sep 03 05:31:40 | 74.0697 | 0.01328 | 15.7928 | 311.6180 | 122.2903 | 12.19448 | – |
| 2025 Sep 06 20:41 | 2025 Sep 03 05:31:40 | 74.0697 | 0.01328 | 15.7928 | 311.6180 | 122.2903 | 12.19448 | – |
| 2025 Sep 03 17:57 | 2025 Sep 03 05:31:40 | 74.0697 | 0.01328 | 15.7928 | 311.6180 | 122.2903 | 12.19448 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 18:51:04 | 74.0694 | 0.01328 | 16.3306 | 320.7607 | 122.2903 | 12.19448 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 18:51:04 | 74.0694 | 0.01328 | 16.3306 | 320.7607 | 122.2903 | 12.19448 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 18:51:04 | 74.0694 | 0.01328 | 16.3306 | 320.7607 | 122.2903 | 12.19448 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 18:51:04 | 74.0694 | 0.01328 | 16.3306 | 320.7607 | 122.2903 | 12.19448 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 18:51:04 | 74.0694 | 0.01328 | 16.3306 | 320.7607 | 122.2903 | 12.19448 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 18:51:04 | 74.0694 | 0.01328 | 16.3306 | 320.7607 | 122.2903 | 12.19448 | – |
| 2025 Aug 27 17:56 | 2025 Aug 23 01:59:09 | 74.0694 | 0.01327 | 16.7230 | 327.4342 | 122.2903 | 12.19448 | – |
| 2025 Aug 26 17:56 | 2025 Aug 23 01:59:09 | 74.0694 | 0.01327 | 16.7230 | 327.4342 | 122.2903 | 12.19448 | – |
| 2025 Aug 25 17:56 | 2025 Aug 23 01:59:09 | 74.0694 | 0.01327 | 16.7230 | 327.4342 | 122.2903 | 12.19448 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 01:59:09 | 74.0694 | 0.01327 | 16.7230 | 327.4342 | 122.2903 | 12.19448 | – |
| 2025 Aug 23 17:56 | 2025 Aug 23 01:59:09 | 74.0694 | 0.01327 | 16.7230 | 327.4342 | 122.2903 | 12.19448 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 20:37:31 | 74.0698 | 0.01326 | 17.1589 | 334.8550 | 122.2903 | 12.19448 | – |