Orbital elements of SL-8 DEB
| Launched | 31 May 1982 | 
| Flight ended | – | 
| Launch site | Plesetsk Missile and Space Complex, Russia | 
| Owner | Commonwealth of Independent States (former USSR) | 
| NORAD ID | 18509 | 
| 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 Oct 31 18:57 | 2025 Oct 29 11:07:39 | 74.0028 | 0.00064 | 4.8196 | 153.5411 | 274.2012 | 14.61527 | – | 
| 2025 Oct 30 18:57 | 2025 Oct 29 11:07:39 | 74.0028 | 0.00064 | 4.8196 | 153.5411 | 274.2012 | 14.61527 | – | 
| 2025 Oct 29 18:57 | 2025 Oct 29 11:07:39 | 74.0028 | 0.00064 | 4.8196 | 153.5411 | 274.2012 | 14.61527 | – | 
| 2025 Oct 28 18:57 | 2025 Oct 23 20:48:06 | 74.0023 | 0.00068 | 5.5348 | 166.0616 | 274.2012 | 14.61527 | – | 
| 2025 Oct 27 18:57 | 2025 Oct 23 20:48:06 | 74.0023 | 0.00068 | 5.5348 | 166.0616 | 274.2012 | 14.61527 | – | 
| 2025 Oct 26 18:57 | 2025 Oct 23 20:48:06 | 74.0023 | 0.00068 | 5.5348 | 166.0616 | 274.2012 | 14.61527 | – | 
| 2025 Oct 25 17:57 | 2025 Oct 23 20:48:06 | 74.0023 | 0.00068 | 5.5348 | 166.0616 | 274.2012 | 14.61527 | – | 
| 2025 Oct 24 17:57 | 2025 Oct 23 20:48:06 | 74.0023 | 0.00068 | 5.5348 | 166.0616 | 274.2012 | 14.61527 | – | 
| 2025 Oct 22 17:56 | 2025 Oct 18 05:39:03 | 74.0008 | 0.00072 | 6.2543 | 178.5489 | 274.2012 | 14.61527 | – | 
| 2025 Oct 21 17:56 | 2025 Oct 18 05:39:03 | 74.0008 | 0.00072 | 6.2543 | 178.5489 | 274.2012 | 14.61527 | – | 
| 2025 Oct 20 17:56 | 2025 Oct 18 05:39:03 | 74.0008 | 0.00072 | 6.2543 | 178.5489 | 274.2012 | 14.61527 | – | 
| 2025 Oct 19 17:56 | 2025 Oct 18 05:39:03 | 74.0008 | 0.00072 | 6.2543 | 178.5489 | 274.2012 | 14.61527 | – | 
| 2025 Oct 18 17:56 | 2025 Oct 18 05:39:03 | 74.0008 | 0.00072 | 6.2543 | 178.5489 | 274.2012 | 14.61527 | – | 
| 2025 Oct 17 17:56 | 2025 Oct 07 13:14:09 | 74.0007 | 0.00078 | 7.6194 | 201.2675 | 274.2012 | 14.61527 | – | 
| 2025 Oct 16 17:56 | 2025 Oct 07 13:14:09 | 74.0007 | 0.00078 | 7.6194 | 201.2675 | 274.2012 | 14.61527 | – | 
| 2025 Oct 15 17:56 | 2025 Oct 07 13:14:09 | 74.0007 | 0.00078 | 7.6194 | 201.2675 | 274.2012 | 14.61527 | – | 
| 2025 Oct 14 17:56 | 2025 Oct 07 13:14:09 | 74.0007 | 0.00078 | 7.6194 | 201.2675 | 274.2012 | 14.61527 | – | 
| 2025 Oct 12 17:56 | 2025 Oct 07 13:14:09 | 74.0007 | 0.00078 | 7.6194 | 201.2675 | 274.2012 | 14.61527 | – | 
| 2025 Oct 11 17:57 | 2025 Oct 07 13:14:09 | 74.0007 | 0.00078 | 7.6194 | 201.2675 | 274.2012 | 14.61527 | – | 
| 2025 Oct 09 17:56 | 2025 Oct 07 13:14:09 | 74.0007 | 0.00078 | 7.6194 | 201.2675 | 274.2012 | 14.61527 | – | 
| 2025 Oct 08 17:56 | 2025 Oct 07 13:14:09 | 74.0007 | 0.00078 | 7.6194 | 201.2675 | 274.2012 | 14.61527 | – | 
| 2025 Oct 07 17:56 | 2025 Oct 07 13:14:09 | 74.0007 | 0.00078 | 7.6194 | 201.2675 | 274.2012 | 14.61527 | – | 
| 2025 Oct 05 17:56 | 2025 Sep 26 01:45:03 | 74.0021 | 0.00083 | 9.0858 | 224.6205 | 274.2012 | 14.61527 | – | 
| 2025 Oct 04 17:57 | 2025 Sep 26 01:45:03 | 74.0021 | 0.00083 | 9.0858 | 224.6205 | 274.2012 | 14.61527 | – |