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 | 21138 |
| 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 |
| 2026 Apr 29 17:57 | 2026 Apr 24 03:16:32 | 74.0855 | 0.02169 | 0.2626 | 322.3043 | 193.5946 | 12.29190 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 03:16:32 | 74.0855 | 0.02169 | 0.2626 | 322.3043 | 193.5946 | 12.29190 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 03:16:32 | 74.0855 | 0.02169 | 0.2626 | 322.3043 | 193.5946 | 12.29190 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 03:16:32 | 74.0855 | 0.02169 | 0.2626 | 322.3043 | 193.5946 | 12.29190 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 03:16:32 | 74.0855 | 0.02169 | 0.2626 | 322.3043 | 193.5946 | 12.29190 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 03:16:32 | 74.0855 | 0.02169 | 0.2626 | 322.3043 | 193.5946 | 12.29190 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 12:04:26 | 74.0859 | 0.02168 | 0.6564 | 329.0197 | 193.5946 | 12.29190 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 12:04:26 | 74.0859 | 0.02168 | 0.6564 | 329.0197 | 193.5946 | 12.29190 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 12:04:26 | 74.0859 | 0.02168 | 0.6564 | 329.0197 | 193.5946 | 12.29190 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 12:04:26 | 74.0859 | 0.02168 | 0.6564 | 329.0197 | 193.5946 | 12.29190 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 12:04:26 | 74.0859 | 0.02168 | 0.6564 | 329.0197 | 193.5946 | 12.29190 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 05:33:03 | 74.0858 | 0.02168 | 1.1894 | 338.1056 | 193.5946 | 12.29190 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 05:33:03 | 74.0858 | 0.02168 | 1.1894 | 338.1056 | 193.5946 | 12.29190 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 05:33:03 | 74.0858 | 0.02168 | 1.1894 | 338.1056 | 193.5946 | 12.29190 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 05:33:03 | 74.0858 | 0.02168 | 1.1894 | 338.1056 | 193.5946 | 12.29190 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 06:24:38 | 74.0855 | 0.02168 | 1.6113 | 345.2999 | 193.5946 | 12.29190 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 06:24:38 | 74.0855 | 0.02168 | 1.6113 | 345.2999 | 193.5946 | 12.29190 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 06:24:38 | 74.0855 | 0.02168 | 1.6113 | 345.2999 | 193.5946 | 12.29190 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 06:24:38 | 74.0855 | 0.02168 | 1.6113 | 345.2999 | 193.5946 | 12.29190 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 06:24:38 | 74.0855 | 0.02168 | 1.6113 | 345.2999 | 193.5946 | 12.29190 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 05:58:35 | 74.0847 | 0.02167 | 2.1227 | 354.0180 | 193.5946 | 12.29190 | – |
| 2026 Apr 06 17:57 | 2026 Apr 02 05:58:35 | 74.0847 | 0.02167 | 2.1227 | 354.0180 | 193.5946 | 12.29190 | – |
| 2026 Apr 05 17:56 | 2026 Apr 02 05:58:35 | 74.0847 | 0.02167 | 2.1227 | 354.0180 | 193.5946 | 12.29190 | – |
| 2026 Apr 04 17:57 | 2026 Apr 02 05:58:35 | 74.0847 | 0.02167 | 2.1227 | 354.0180 | 193.5946 | 12.29190 | – |
| 2026 Apr 03 17:56 | 2026 Apr 02 05:58:35 | 74.0847 | 0.02167 | 2.1227 | 354.0180 | 193.5946 | 12.29190 | – |
| 2026 Apr 02 18:03 | 2026 Apr 02 05:58:35 | 74.0847 | 0.02167 | 2.1227 | 354.0180 | 193.5946 | 12.29190 | – |