COSMOS 2151

NORAD 21422· COSPAR 1991-042A· Active satellite· Military & Reconnaissance· LEO

Launch

Launched on Jun 13, 1991 from 32/2, Russia aboard a Tsiklon-3.

Tsiklon-3 | Tselina-R 3 →

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

Live · TLE epoch 2026-09-08 13:09 UTC

Orbit class

LEO — Low Earth Orbit (circular, < 2,000 km)

Operator

Russia / Soviet Union (military)

Country

Russia

Manufacturer

—

Launched

Jun 13, 1991

Mass

—

Apogee

578 km

Perigee

560 km

Inclination

82.49°

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 2151 across 103 days of archived orbital elements (105 element sets, one per day).

Trend

Stable

Change

-0.8 km

Rate

-0.01 km/day

Now

560 × 578 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.

Launched with

One other catalogued object still in orbit from launch 1991-042 (Tsiklon-3 | Tselina-R 3).

SL-14 R/B · 21423

Sources & further reading

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