Orbital elements of SL-8 R/B
| Launched | 15 December 1977 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 10521 |
| 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 May 19 17:58 | 2026 May 16 08:28:59 | 74.0275 | 0.00211 | 23.8611 | 295.8247 | 64.0733 | 14.42429 | 4.743 |
| 2026 May 18 17:57 | 2026 May 16 08:28:59 | 74.0275 | 0.00211 | 23.8611 | 295.8247 | 64.0733 | 14.42429 | 4.743 |
| 2026 May 17 17:57 | 2026 May 16 08:28:59 | 74.0275 | 0.00211 | 23.8611 | 295.8247 | 64.0733 | 14.42429 | 4.743 |
| 2026 May 16 17:56 | 2026 May 16 08:28:59 | 74.0275 | 0.00211 | 23.8611 | 295.8247 | 64.0733 | 14.42429 | 4.743 |
| 2026 May 15 17:57 | 2026 May 10 02:40:30 | 74.0282 | 0.00210 | 0.6334 | 308.2930 | 64.0733 | 14.42429 | 4.743 |
| 2026 May 14 17:58 | 2026 May 10 02:40:30 | 74.0282 | 0.00210 | 0.6334 | 308.2930 | 64.0733 | 14.42429 | 4.743 |
| 2026 May 13 17:58 | 2026 May 10 02:40:30 | 74.0282 | 0.00210 | 0.6334 | 308.2930 | 64.0733 | 14.42429 | 4.743 |
| 2026 May 12 17:58 | 2026 May 10 02:40:30 | 74.0282 | 0.00210 | 0.6334 | 308.2930 | 64.0733 | 14.42429 | 4.743 |
| 2026 May 11 17:56 | 2026 May 10 02:40:30 | 74.0282 | 0.00210 | 0.6334 | 308.2930 | 64.0733 | 14.42429 | 4.743 |
| 2026 May 10 17:57 | 2026 May 10 02:40:30 | 74.0282 | 0.00210 | 0.6334 | 308.2930 | 64.0733 | 14.42429 | 4.743 |
| 2026 May 09 17:57 | 2026 May 05 09:29:12 | 74.0286 | 0.00209 | 1.2170 | 317.7553 | 64.0733 | 14.42429 | 4.743 |
| 2026 May 08 17:57 | 2026 May 05 09:29:12 | 74.0286 | 0.00209 | 1.2170 | 317.7553 | 64.0733 | 14.42429 | 4.743 |
| 2026 May 07 17:58 | 2026 May 05 09:29:12 | 74.0286 | 0.00209 | 1.2170 | 317.7553 | 64.0733 | 14.42429 | 4.743 |
| 2026 May 06 17:57 | 2026 May 05 09:29:12 | 74.0286 | 0.00209 | 1.2170 | 317.7553 | 64.0733 | 14.42429 | 4.743 |
| 2026 May 05 17:57 | 2026 May 05 09:29:12 | 74.0286 | 0.00209 | 1.2170 | 317.7553 | 64.0733 | 14.42429 | 4.743 |
| 2026 May 04 17:57 | 2026 Apr 30 11:18:16 | 74.0289 | 0.00207 | 1.8262 | 327.7269 | 64.0733 | 14.42429 | 4.743 |
| 2026 May 03 17:57 | 2026 Apr 30 11:18:16 | 74.0289 | 0.00207 | 1.8262 | 327.7269 | 64.0733 | 14.42429 | 4.743 |
| 2026 May 02 17:57 | 2026 Apr 30 11:18:16 | 74.0289 | 0.00207 | 1.8262 | 327.7269 | 64.0733 | 14.42429 | 4.743 |
| 2026 May 01 17:56 | 2026 Apr 30 11:18:16 | 74.0289 | 0.00207 | 1.8262 | 327.7269 | 64.0733 | 14.42429 | 4.743 |
| 2026 Apr 30 17:56 | 2026 Apr 30 11:18:16 | 74.0289 | 0.00207 | 1.8262 | 327.7269 | 64.0733 | 14.42429 | 4.743 |
| 2026 Apr 29 17:57 | 2026 Apr 24 05:29:45 | 74.0285 | 0.00205 | 2.5985 | 340.5202 | 64.0733 | 14.42429 | 4.743 |
| 2026 Apr 28 17:56 | 2026 Apr 24 05:29:45 | 74.0285 | 0.00205 | 2.5985 | 340.5202 | 64.0733 | 14.42429 | 4.743 |
| 2026 Apr 27 17:58 | 2026 Apr 24 05:29:45 | 74.0285 | 0.00205 | 2.5985 | 340.5202 | 64.0733 | 14.42429 | 4.743 |
| 2026 Apr 26 17:58 | 2026 Apr 24 05:29:45 | 74.0285 | 0.00205 | 2.5985 | 340.5202 | 64.0733 | 14.42429 | 4.743 |
| 2026 Apr 25 17:58 | 2026 Apr 24 05:29:45 | 74.0285 | 0.00205 | 2.5985 | 340.5202 | 64.0733 | 14.42429 | 4.743 |
| 2026 Apr 24 17:59 | 2026 Apr 24 05:29:45 | 74.0285 | 0.00205 | 2.5985 | 340.5202 | 64.0733 | 14.42429 | 4.743 |
| 2026 Apr 23 17:57 | 2026 Apr 19 05:38:55 | 74.0277 | 0.00203 | 3.2164 | 350.7391 | 64.0733 | 14.42429 | 4.743 |
| 2026 Apr 22 17:57 | 2026 Apr 19 05:38:55 | 74.0277 | 0.00203 | 3.2164 | 350.7391 | 64.0733 | 14.42429 | 4.743 |