COSMOS 2523

NORAD 42986· COSPAR 2017-037E· Active satellite· Military & Reconnaissance· SSO

Launch

Launched on Jun 23, 2017 from 43/4 (43R), Russia aboard a Soyuz 2.1v Volga.

Soyuz 2.1v/Volga | Kosmos-2519 →

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

Live · TLE epoch 2026-09-08 15:12 UTC

Orbit class

SSO — Sun-Synchronous (LEO at 96–102° inclination)

Operator

Russia / Soviet Union (military)

Country

Russia

Manufacturer

—

Launched

Jun 23, 2017

Mass

—

Apogee

630 km

Perigee

539 km

Inclination

97.50°

Period

1.60 h

Part of the GLONASS constellation · this satellite is one of 758

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

See all GLONASS satellites →

Altitude history

Apogee and perigee for COSMOS 2523 across 14 days of archived orbital elements (15 element sets, one per day).

Trend

Stable

Change

-0.1 km

Rate

-0.01 km/day

Now

539 × 630 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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Sources & further reading

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