SL-3 R/B
Launch
Launched on Apr 20, 1988 from 31/6, Kazakhstan aboard a Vostok 8A92M.
Vostok 8A92M | Resurs-O1 2 →Live · TLE epoch 2026-10-24 05:30 UTC
Orbit class
SSO — Sun-Synchronous (LEO at 96–102° inclination)
Operator
Russian / Soviet Government
Country
Russia
Manufacturer
—
Launched
Apr 20, 1988
Mass
—
Apogee
522 km
Perigee
487 km
Inclination
97.54°
Period
1.58 h
Altitude history
Apogee and perigee for SL-3 R/B across 148 days of archived orbital elements (150 element sets, one per day).
Trend
Decaying
Change
-3.2 km
Rate
-0.02 km/day
Now
487 × 522 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.
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