COSMOS 2539

NORAD 44457· COSPAR 2019-048A· Active satellite· Communications· GEO

Launch

Launched on Aug 5, 2019 from 81/24 (81P), Kazakhstan aboard a Proton-M Briz-M.

Proton-M/Briz-M | Blagovest No.14L (Kosmos 2539) →

GLONASS satellite (representative) — Representative GLONASS image · Patrick G. · CC BY-SA 2.0 · via Wikimedia Commons

Live · TLE epoch 2026-10-23 08:26 UTC

Orbit class

GEO — Geostationary (~35,786 km, equatorial)

Operator

Ministry of Defense of the Russian Federation

Country

Russia

Manufacturer

JSC Information Satellite Systems Reshetnev

Launched

Aug 5, 2019

Mass

—

Apogee

35,795 km

Perigee

35,794 km

Inclination

0.02°

Period

23.94 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.

See all GLONASS satellites →

Altitude history

Apogee and perigee for COSMOS 2539 across 148 days of archived orbital elements (150 element sets, one per day).

Trend

Decaying

Change

-1.0 km

Rate

-0.01 km/day

Now

35794 × 35795 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

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