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 | 21185 |
| 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 30 17:56 | 2026 Apr 30 14:36:41 | 74.0242 | 0.02045 | 22.8009 | 141.6618 | 248.8187 | 12.16140 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 03:25:05 | 74.0242 | 0.02045 | 23.3389 | 150.7975 | 248.8187 | 12.16140 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 03:25:05 | 74.0242 | 0.02045 | 23.3389 | 150.7975 | 248.8187 | 12.16140 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 03:25:05 | 74.0242 | 0.02045 | 23.3389 | 150.7975 | 248.8187 | 12.16140 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 03:25:05 | 74.0242 | 0.02045 | 23.3389 | 150.7975 | 248.8187 | 12.16140 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 03:25:05 | 74.0242 | 0.02045 | 23.3389 | 150.7975 | 248.8187 | 12.16140 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 03:25:05 | 74.0242 | 0.02045 | 23.3389 | 150.7975 | 248.8187 | 12.16140 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 10:58:55 | 74.0249 | 0.02046 | 23.7287 | 157.4191 | 248.8187 | 12.16140 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 10:58:55 | 74.0249 | 0.02046 | 23.7287 | 157.4191 | 248.8187 | 12.16140 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 10:58:55 | 74.0249 | 0.02046 | 23.7287 | 157.4191 | 248.8187 | 12.16140 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 10:58:55 | 74.0249 | 0.02046 | 23.7287 | 157.4191 | 248.8187 | 12.16140 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 10:58:55 | 74.0249 | 0.02046 | 23.7287 | 157.4191 | 248.8187 | 12.16140 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 04:47:49 | 74.0266 | 0.02047 | 0.2493 | 166.2597 | 248.8187 | 12.16140 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 04:47:49 | 74.0266 | 0.02047 | 0.2493 | 166.2597 | 248.8187 | 12.16140 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 04:47:49 | 74.0266 | 0.02047 | 0.2493 | 166.2597 | 248.8187 | 12.16140 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 04:47:49 | 74.0266 | 0.02047 | 0.2493 | 166.2597 | 248.8187 | 12.16140 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 12:24:44 | 74.0270 | 0.02047 | 0.6388 | 172.8621 | 248.8187 | 12.16140 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 12:24:44 | 74.0270 | 0.02047 | 0.6388 | 172.8621 | 248.8187 | 12.16140 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 12:24:44 | 74.0270 | 0.02047 | 0.6388 | 172.8621 | 248.8187 | 12.16140 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 12:24:44 | 74.0270 | 0.02047 | 0.6388 | 172.8621 | 248.8187 | 12.16140 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 12:24:44 | 74.0270 | 0.02047 | 0.6388 | 172.8621 | 248.8187 | 12.16140 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 06:03:30 | 74.0268 | 0.02048 | 1.1599 | 181.7055 | 248.8187 | 12.16140 | – |
| 2026 Apr 06 17:57 | 2026 Apr 02 06:03:30 | 74.0268 | 0.02048 | 1.1599 | 181.7055 | 248.8187 | 12.16140 | – |
| 2026 Apr 05 17:56 | 2026 Apr 02 06:03:30 | 74.0268 | 0.02048 | 1.1599 | 181.7055 | 248.8187 | 12.16140 | – |
| 2026 Apr 04 17:57 | 2026 Apr 02 06:03:30 | 74.0268 | 0.02048 | 1.1599 | 181.7055 | 248.8187 | 12.16140 | – |
| 2026 Apr 03 17:56 | 2026 Apr 02 06:03:30 | 74.0268 | 0.02048 | 1.1599 | 181.7055 | 248.8187 | 12.16140 | – |