Orbital elements of SL-8 DEB
| Launched | 4 February 1991 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21257 |
| 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 Jun 24 17:55 | 2026 Jun 22 12:20:06 | 82.9198 | 0.00326 | 20.5270 | 197.8086 | 278.5825 | 13.78180 | – |
| 2026 Jun 23 17:56 | 2026 Jun 22 12:20:06 | 82.9198 | 0.00326 | 20.5270 | 197.8086 | 278.5825 | 13.78180 | – |
| 2026 Jun 22 17:56 | 2026 Jun 17 13:55:43 | 82.9193 | 0.00322 | 20.7728 | 211.8105 | 278.5825 | 13.78180 | – |
| 2026 Jun 21 17:57 | 2026 Jun 17 13:55:43 | 82.9193 | 0.00322 | 20.7728 | 211.8105 | 278.5825 | 13.78180 | – |
| 2026 Jun 20 17:56 | 2026 Jun 17 13:55:43 | 82.9193 | 0.00322 | 20.7728 | 211.8105 | 278.5825 | 13.78180 | – |
| 2026 Jun 19 17:57 | 2026 Jun 17 13:55:43 | 82.9193 | 0.00322 | 20.7728 | 211.8105 | 278.5825 | 13.78180 | – |
| 2026 Jun 18 17:56 | 2026 Jun 17 13:55:43 | 82.9193 | 0.00322 | 20.7728 | 211.8105 | 278.5825 | 13.78180 | – |
| 2026 Jun 17 17:57 | 2026 Jun 17 13:55:43 | 82.9193 | 0.00322 | 20.7728 | 211.8105 | 278.5825 | 13.78180 | – |
| 2026 Jun 16 17:55 | 2026 Jun 12 04:40:36 | 82.9190 | 0.00319 | 21.0412 | 227.3199 | 278.5825 | 13.78180 | – |
| 2026 Jun 15 17:56 | 2026 Jun 12 04:40:36 | 82.9190 | 0.00319 | 21.0412 | 227.3199 | 278.5825 | 13.78180 | – |
| 2026 Jun 14 17:57 | 2026 Jun 12 04:40:36 | 82.9190 | 0.00319 | 21.0412 | 227.3199 | 278.5825 | 13.78180 | – |
| 2026 Jun 13 17:56 | 2026 Jun 12 04:40:36 | 82.9190 | 0.00319 | 21.0412 | 227.3199 | 278.5825 | 13.78180 | – |
| 2026 Jun 12 17:56 | 2026 Jun 12 04:40:36 | 82.9190 | 0.00319 | 21.0412 | 227.3199 | 278.5825 | 13.78180 | – |
| 2026 Jun 11 17:57 | 2026 Jun 06 17:44:42 | 82.9189 | 0.00316 | 21.3130 | 243.2035 | 278.5825 | 13.78180 | – |
| 2026 Jun 10 17:56 | 2026 Jun 06 17:44:42 | 82.9189 | 0.00316 | 21.3130 | 243.2035 | 278.5825 | 13.78180 | – |
| 2026 Jun 09 17:57 | 2026 Jun 06 17:44:42 | 82.9189 | 0.00316 | 21.3130 | 243.2035 | 278.5825 | 13.78180 | – |
| 2026 Jun 08 17:56 | 2026 Jun 06 17:44:42 | 82.9189 | 0.00316 | 21.3130 | 243.2035 | 278.5825 | 13.78180 | – |
| 2026 Jun 07 17:56 | 2026 Jun 06 17:44:42 | 82.9189 | 0.00316 | 21.3130 | 243.2035 | 278.5825 | 13.78180 | – |
| 2026 Jun 06 17:56 | 2026 May 31 12:05:14 | 82.9183 | 0.00314 | 21.6238 | 261.4951 | 278.5825 | 13.78180 | – |
| 2026 Jun 05 17:56 | 2026 May 31 12:05:14 | 82.9183 | 0.00314 | 21.6238 | 261.4951 | 278.5825 | 13.78180 | – |
| 2026 Jun 04 17:57 | 2026 May 31 12:05:14 | 82.9183 | 0.00314 | 21.6238 | 261.4951 | 278.5825 | 13.78180 | – |
| 2026 Jun 02 17:56 | 2026 May 31 12:05:14 | 82.9183 | 0.00314 | 21.6238 | 261.4951 | 278.5825 | 13.78180 | – |
| 2026 Jun 01 17:57 | 2026 May 31 12:05:14 | 82.9183 | 0.00314 | 21.6238 | 261.4951 | 278.5825 | 13.78180 | – |
| 2026 May 31 17:58 | 2026 May 31 12:05:14 | 82.9183 | 0.00314 | 21.6238 | 261.4951 | 278.5825 | 13.78180 | – |
| 2026 May 30 17:57 | 2026 May 26 07:13:05 | 82.9185 | 0.00314 | 21.8830 | 276.8222 | 278.5825 | 13.78180 | – |
| 2026 May 29 17:57 | 2026 May 26 07:13:05 | 82.9185 | 0.00314 | 21.8830 | 276.8222 | 278.5825 | 13.78180 | – |
| 2026 May 28 17:56 | 2026 May 26 07:13:05 | 82.9185 | 0.00314 | 21.8830 | 276.8222 | 278.5825 | 13.78180 | – |