Orbital elements of SL-8 R/B
| Launched | 15 January 1981 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 12139 |
| 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 May 17 17:57 | 2025 May 16 16:16:16 | 82.9345 | 0.03091 | 13.4741 | 122.1069 | 241.0564 | 14.98734 | 4.743 |
| 2025 May 16 17:56 | 2025 May 15 16:14:05 | 82.9349 | 0.03092 | 13.5347 | 125.5123 | 241.0564 | 14.98734 | 4.743 |
| 2025 May 15 17:57 | 2025 May 14 16:11:52 | 82.9353 | 0.03093 | 13.5953 | 128.9099 | 241.0564 | 14.98734 | 4.743 |
| 2025 May 14 17:56 | 2025 May 14 11:23:25 | 82.9353 | 0.03093 | 13.6074 | 129.5931 | 241.0564 | 14.98734 | 4.743 |
| 2025 May 13 17:56 | 2025 May 13 11:21:08 | 82.9355 | 0.03094 | 13.6680 | 132.9875 | 241.0564 | 14.98734 | 4.743 |
| 2025 May 12 17:56 | 2025 May 12 11:18:49 | 82.9356 | 0.03095 | 13.7286 | 136.3816 | 241.0564 | 14.98734 | 4.743 |
| 2025 May 11 17:56 | 2025 May 11 06:27:59 | 82.9357 | 0.03097 | 13.8013 | 140.4668 | 241.0564 | 14.98734 | 4.743 |
| 2025 May 10 17:56 | 2025 May 10 04:49:24 | 82.9355 | 0.03099 | 13.8660 | 144.1070 | 241.0564 | 14.98734 | 4.743 |
| 2025 May 09 17:57 | 2025 May 09 04:46:55 | 82.9354 | 0.03100 | 13.9266 | 147.5263 | 241.0564 | 14.98734 | 4.743 |
| 2025 May 08 17:56 | 2025 May 08 04:44:23 | 82.9356 | 0.03100 | 13.9872 | 150.9456 | 241.0564 | 14.98734 | 4.743 |
| 2025 May 07 17:56 | 2025 May 07 04:41:49 | 82.9359 | 0.03101 | 14.0478 | 154.3613 | 241.0564 | 14.98734 | 4.743 |
| 2025 May 06 17:57 | 2025 May 06 04:39:11 | 82.9359 | 0.03102 | 14.1083 | 157.7725 | 241.0564 | 14.98734 | 4.743 |
| 2025 May 05 17:56 | 2025 May 04 17:23:14 | 82.9357 | 0.03103 | 14.1972 | 162.7721 | 241.0564 | 14.98734 | 4.743 |
| 2025 May 04 17:57 | 2025 May 03 17:20:28 | 82.9355 | 0.03104 | 14.2578 | 166.1755 | 241.0564 | 14.98734 | 4.743 |
| 2025 May 03 17:57 | 2025 May 02 17:17:38 | 82.9354 | 0.03106 | 14.3183 | 169.5779 | 241.0564 | 14.98734 | 4.743 |
| 2025 May 02 17:57 | 2025 May 01 17:14:44 | 82.9355 | 0.03108 | 14.3789 | 172.9871 | 241.0564 | 14.98734 | 4.743 |
| 2025 May 01 17:56 | 2025 Apr 28 18:41:50 | 82.9361 | 0.03111 | 14.5566 | 183.0359 | 241.0564 | 14.98734 | 4.743 |
| 2025 Apr 30 17:56 | 2025 Apr 28 18:41:50 | 82.9361 | 0.03111 | 14.5566 | 183.0359 | 241.0564 | 14.98734 | 4.743 |
| 2025 Apr 29 17:57 | 2025 Apr 28 18:41:50 | 82.9361 | 0.03111 | 14.5566 | 183.0359 | 241.0564 | 14.98734 | 4.743 |
| 2025 Apr 27 17:56 | 2025 Apr 26 20:11:39 | 82.9365 | 0.03114 | 14.6737 | 189.6495 | 241.0564 | 14.98734 | 4.743 |
| 2025 Apr 26 17:57 | 2025 Apr 25 20:08:22 | 82.9362 | 0.03116 | 14.7342 | 193.0593 | 241.0564 | 14.98734 | 4.743 |
| 2025 Apr 25 17:56 | 2025 Apr 24 20:04:59 | 82.9360 | 0.03118 | 14.7948 | 196.4703 | 241.0564 | 14.98734 | 4.743 |
| 2025 Apr 24 17:56 | 2025 Apr 24 08:51:23 | 82.9359 | 0.03118 | 14.8231 | 198.0564 | 241.0564 | 14.98734 | 4.743 |
| 2025 Apr 23 17:57 | 2025 Apr 22 19:58:00 | 82.9353 | 0.03121 | 14.9159 | 203.2816 | 241.0564 | 14.98734 | 4.743 |
| 2025 Apr 22 17:56 | 2025 Apr 21 19:54:25 | 82.9348 | 0.03123 | 14.9764 | 206.6980 | 241.0564 | 14.98734 | 4.743 |
| 2025 Apr 21 17:57 | 2025 Apr 20 18:14:30 | 82.9348 | 0.03125 | 15.0410 | 210.3499 | 241.0564 | 14.98734 | 4.743 |
| 2025 Apr 20 17:56 | 2025 Apr 19 19:47:02 | 82.9352 | 0.03127 | 15.0976 | 213.5607 | 241.0564 | 14.98734 | 4.743 |