COSMOS 2617

NORAD 68828· COSPAR 2026-090C· Active satellite· Military & Reconnaissance· SSO

Launch

Launched on Apr 23, 2026 from 35/1, Russia aboard a Angara 1.2.

Angara 1.2 | Kosmos (Unknown Payload) →

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

Live · TLE epoch 2026-09-06 17:28 UTC

Orbit class

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

Operator

Russia / Soviet Union (military)

Country

Russia

Manufacturer

—

Launched

Apr 23, 2026

Mass

—

Apogee

329 km

Perigee

307 km

Inclination

96.63°

Period

1.51 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 2617 across 14 days of archived orbital elements (15 element sets, one per day).

Trend

Decaying

Change

-2.5 km

Rate

-0.18 km/day

Now

307 × 329 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

3 other catalogued objects still in orbit from launch 2026-090 (Angara 1.2 | Kosmos (Unknown Payload)).

COSMOS 2615 · 68826
COSMOS 2616 · 68827
COSMOS 2618 · 68829

Sources & further reading

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