Orbital elements of SL-8 R/B
| Launched | 21 May 1971 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 5239 |
| 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 Jan 16 18:57 | 2026 Jan 16 15:08:28 | 74.0264 | 0.00118 | 22.5719 | 309.0067 | 224.0848 | 13.74021 | 5.243 |
| 2026 Jan 15 18:56 | 2026 Jan 11 09:17:05 | 74.0259 | 0.00117 | 23.1513 | 318.1015 | 224.0848 | 13.74021 | 5.243 |
| 2026 Jan 13 18:56 | 2026 Jan 11 09:17:05 | 74.0259 | 0.00117 | 23.1513 | 318.1015 | 224.0848 | 13.74021 | 5.243 |
| 2026 Jan 11 18:57 | 2026 Jan 11 09:17:05 | 74.0259 | 0.00117 | 23.1513 | 318.1015 | 224.0848 | 13.74021 | 5.243 |
| 2026 Jan 10 18:57 | 2026 Jan 06 06:13:40 | 74.0254 | 0.00116 | 23.7179 | 326.8914 | 224.0848 | 13.74021 | 5.243 |
| 2026 Jan 09 18:57 | 2026 Jan 06 06:13:40 | 74.0254 | 0.00116 | 23.7179 | 326.8914 | 224.0848 | 13.74021 | 5.243 |
| 2026 Jan 08 18:56 | 2026 Jan 06 06:13:40 | 74.0254 | 0.00116 | 23.7179 | 326.8914 | 224.0848 | 13.74021 | 5.243 |
| 2026 Jan 07 18:57 | 2026 Jan 06 06:13:40 | 74.0254 | 0.00116 | 23.7179 | 326.8914 | 224.0848 | 13.74021 | 5.243 |
| 2026 Jan 06 18:56 | 2026 Jan 06 06:13:40 | 74.0254 | 0.00116 | 23.7179 | 326.8914 | 224.0848 | 13.74021 | 5.243 |
| 2026 Jan 05 18:57 | 2025 Dec 31 11:07:46 | 74.0250 | 0.00114 | 0.3584 | 337.3734 | 224.0848 | 13.74021 | 5.243 |
| 2026 Jan 04 18:56 | 2025 Dec 31 11:07:46 | 74.0250 | 0.00114 | 0.3584 | 337.3734 | 224.0848 | 13.74021 | 5.243 |
| 2026 Jan 03 18:57 | 2025 Dec 31 11:07:46 | 74.0250 | 0.00114 | 0.3584 | 337.3734 | 224.0848 | 13.74021 | 5.243 |
| 2026 Jan 01 18:56 | 2025 Dec 31 11:07:46 | 74.0250 | 0.00114 | 0.3584 | 337.3734 | 224.0848 | 13.74021 | 5.243 |
| 2025 Dec 31 18:57 | 2025 Dec 31 11:07:46 | 74.0250 | 0.00114 | 0.3584 | 337.3734 | 224.0848 | 13.74021 | 5.243 |
| 2025 Dec 30 18:56 | 2025 Dec 26 12:21:51 | 74.0249 | 0.00112 | 0.9052 | 346.4169 | 224.0848 | 13.74021 | 5.243 |
| 2025 Dec 29 18:56 | 2025 Dec 26 12:21:51 | 74.0249 | 0.00112 | 0.9052 | 346.4169 | 224.0848 | 13.74021 | 5.243 |
| 2025 Dec 28 18:57 | 2025 Dec 26 12:21:51 | 74.0249 | 0.00112 | 0.9052 | 346.4169 | 224.0848 | 13.74021 | 5.243 |
| 2025 Dec 27 18:57 | 2025 Dec 26 12:21:51 | 74.0249 | 0.00112 | 0.9052 | 346.4169 | 224.0848 | 13.74021 | 5.243 |
| 2025 Dec 26 18:56 | 2025 Dec 26 12:21:51 | 74.0249 | 0.00112 | 0.9052 | 346.4169 | 224.0848 | 13.74021 | 5.243 |
| 2025 Dec 25 18:57 | 2025 Dec 20 07:26:19 | 74.0251 | 0.00110 | 1.5909 | 357.9600 | 224.0848 | 13.74021 | 5.243 |
| 2025 Dec 24 18:56 | 2025 Dec 20 07:26:19 | 74.0251 | 0.00110 | 1.5909 | 357.9600 | 224.0848 | 13.74021 | 5.243 |
| 2025 Dec 23 18:56 | 2025 Dec 20 07:26:19 | 74.0251 | 0.00110 | 1.5909 | 357.9600 | 224.0848 | 13.74021 | 5.243 |
| 2025 Dec 22 18:57 | 2025 Dec 20 07:26:19 | 74.0251 | 0.00110 | 1.5909 | 357.9600 | 224.0848 | 13.74021 | 5.243 |
| 2025 Dec 21 18:57 | 2025 Dec 20 07:26:19 | 74.0251 | 0.00110 | 1.5909 | 357.9600 | 224.0848 | 13.74021 | 5.243 |
| 2025 Dec 20 18:57 | 2025 Dec 20 07:26:19 | 74.0251 | 0.00110 | 1.5909 | 357.9600 | 224.0848 | 13.74021 | 5.243 |