SL-3 R/B
Launch
Launched on May 19, 1981 from 43/3 (43L), Russia aboard a Vostok 8A92M.
Vostok 8A92M | Tselina-D 29 →Live · TLE epoch 2026-10-24 07:05 UTC
Orbit class
LEO — Low Earth Orbit (circular, < 2,000 km)
Operator
Russian / Soviet Government
Country
Russia
Manufacturer
—
Launched
May 19, 1981
Mass
—
Apogee
441 km
Perigee
420 km
Inclination
81.23°
Period
1.55 h
Altitude history
Apogee and perigee for SL-3 R/B across 149 days of archived orbital elements (151 element sets, one per day).
Trend
Decaying
Change
-8.7 km
Rate
-0.06 km/day
Now
420 × 441 km
Apogee Perigee
Derived from our own archive of CelesTrak orbital elements, sampled every 3 hours. Short windows show drag and station-keeping; they are not a reentry prediction.
Related satellites
Sources & further reading
Embed this satellite on your site
Free for editorial use. Attribution back to LowEarth is required.
<iframe src="https://lowearth.app/embed/12465" width="640" height="400" frameborder="0" allow="fullscreen"></iframe>