LowEarth

COSMOS 2531 (RODNIK-S *)

NORAD 43752· COSPAR 2018-097B· Active satellite· Military & Reconnaissance· LEO
Launch
Launched on Nov 30, 2018 from 133/3 (133L), Russia aboard a Rokot/Briz-KM.
Rokot / Briz-KM | 3 x Rodnik (Kosmos 2530, 2531, 2532) →
GLONASS satellite (representative)
Representative GLONASS image · Patrick G. · CC BY-SA 2.0 · via Wikimedia Commons
Live · TLE epoch 2026-10-23 22:48 UTC
Orbit class
LEO — Low Earth Orbit (circular, < 2,000 km)
Operator
Russia / Soviet Union (military)
Country
Russia
Manufacturer
—
Launched
Nov 30, 2018
Mass
—
Apogee
1,512 km
Perigee
1,486 km
Inclination
82.52°
Period
1.93 h
Part of the GLONASS constellation · this satellite is one of 761

Russian satellite navigation system. ~24 active sats in MEO at ~19,100 km.

Altitude history

Apogee and perigee for COSMOS 2531 (RODNIK-S *) across 59 days of archived orbital elements (60 element sets, one per day).

Trend
Stable
Change
+0.2 km
Rate
+0.00 km/day
Now
1486 × 1512 km
149915121486Aug 26Oct 24
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.

Launched with

2 other catalogued objects still in orbit from launch 2018-097 (Rokot / Briz-KM | 3 x Rodnik (Kosmos 2530, 2531, 2532)).

Sources & further reading

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