SL-8 R/B
Launch
Launched on Jan 29, 1991 from 133/3 (133L), Russia aboard a Kosmos-3M (11K65M).
Kosmos-3M | Informator-1 →Live · TLE epoch 2026-10-24 03:06 UTC
Orbit class
LEO — Low Earth Orbit (circular, < 2,000 km)
Operator
Russian / Soviet Government
Country
Russia
Manufacturer
—
Launched
Jan 29, 1991
Mass
—
Apogee
994 km
Perigee
959 km
Inclination
82.95°
Period
1.74 h
Altitude history
Apogee and perigee for SL-8 R/B across 149 days of archived orbital elements (151 element sets, one per day).
Trend
Stable
Change
-0.1 km
Rate
-0.00 km/day
Now
959 × 994 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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