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 | 21405 |
| 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 15 18:58 | 2025 Dec 12 02:15:29 | 73.9601 | 0.02291 | 1.2659 | 327.0341 | 59.6278 | 12.18851 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 02:15:29 | 73.9601 | 0.02291 | 1.2659 | 327.0341 | 59.6278 | 12.18851 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 02:15:29 | 73.9601 | 0.02291 | 1.2659 | 327.0341 | 59.6278 | 12.18851 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 02:15:29 | 73.9601 | 0.02291 | 1.2659 | 327.0341 | 59.6278 | 12.18851 | – |
| 2025 Dec 11 18:56 | 2025 Dec 06 10:21:28 | 73.9594 | 0.02289 | 1.7415 | 335.0361 | 59.6278 | 12.18851 | – |
| 2025 Dec 10 18:56 | 2025 Dec 06 10:21:28 | 73.9594 | 0.02289 | 1.7415 | 335.0361 | 59.6278 | 12.18851 | – |
| 2025 Dec 09 18:56 | 2025 Dec 06 10:21:28 | 73.9594 | 0.02289 | 1.7415 | 335.0361 | 59.6278 | 12.18851 | – |
| 2025 Dec 08 18:56 | 2025 Dec 06 10:21:28 | 73.9594 | 0.02289 | 1.7415 | 335.0361 | 59.6278 | 12.18851 | – |
| 2025 Dec 07 18:56 | 2025 Dec 06 10:21:28 | 73.9594 | 0.02289 | 1.7415 | 335.0361 | 59.6278 | 12.18851 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 11:59:20 | 73.9595 | 0.02288 | 2.0717 | 340.5960 | 59.6278 | 12.18851 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 11:59:20 | 73.9595 | 0.02288 | 2.0717 | 340.5960 | 59.6278 | 12.18851 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 11:59:20 | 73.9595 | 0.02288 | 2.0717 | 340.5960 | 59.6278 | 12.18851 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 11:59:20 | 73.9595 | 0.02288 | 2.0717 | 340.5960 | 59.6278 | 12.18851 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 11:59:20 | 73.9595 | 0.02288 | 2.0717 | 340.5960 | 59.6278 | 12.18851 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 06:38:02 | 73.9599 | 0.02285 | 2.6783 | 350.8308 | 59.6278 | 12.18851 | – |
| 2025 Nov 29 18:56 | 2025 Nov 25 06:38:02 | 73.9599 | 0.02285 | 2.6783 | 350.8308 | 59.6278 | 12.18851 | – |
| 2025 Nov 28 18:57 | 2025 Nov 25 06:38:02 | 73.9599 | 0.02285 | 2.6783 | 350.8308 | 59.6278 | 12.18851 | – |
| 2025 Nov 27 18:57 | 2025 Nov 25 06:38:02 | 73.9599 | 0.02285 | 2.6783 | 350.8308 | 59.6278 | 12.18851 | – |
| 2025 Nov 26 18:57 | 2025 Nov 25 06:38:02 | 73.9599 | 0.02285 | 2.6783 | 350.8308 | 59.6278 | 12.18851 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 06:38:02 | 73.9599 | 0.02285 | 2.6783 | 350.8308 | 59.6278 | 12.18851 | – |
| 2025 Nov 24 18:56 | 2025 Nov 20 06:19:28 | 73.9598 | 0.02284 | 3.0992 | 357.9394 | 59.6278 | 12.18851 | – |
| 2025 Nov 23 18:57 | 2025 Nov 20 06:19:28 | 73.9598 | 0.02284 | 3.0992 | 357.9394 | 59.6278 | 12.18851 | – |
| 2025 Nov 21 18:57 | 2025 Nov 20 06:19:28 | 73.9598 | 0.02284 | 3.0992 | 357.9394 | 59.6278 | 12.18851 | – |
| 2025 Nov 20 18:56 | 2025 Nov 20 06:19:28 | 73.9598 | 0.02284 | 3.0992 | 357.9394 | 59.6278 | 12.18851 | – |
| 2025 Nov 18 18:57 | 2025 Nov 08 14:32:28 | 73.9588 | 0.02282 | 4.0781 | 14.4842 | 59.6278 | 12.18851 | – |