COSMOS 2391
NORAD 27465
Payload
LEO
2002-036B
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🛰️ Orbital Parameters
Perigee
1464 km
Apogee
1507 km
Inclination
82.5°
Period
115.7 min
Mean Motion
12.44943709 rev/day
TLE Epoch
2026-03-17 20:00:00 UTC
📐 Computed Orbital Characteristics
Avg. Altitude1,486 km
Orbital Velocity25,642 km/h
Velocity7.12 km/s
Orbital Period116 minutes
Orbits / Day12.45
Eccentricity0.0027
Semi-Major Axis7,857 km
Est. Orbital LifetimeThousands of years
🚀 Launch & Identity
Country / Operator
🇷🇺 Russia (CIS)
Launch Date
2002-07-08
Launch Site
PKMTR
Int'l Designator
2002-036B
Object Type
Payload
RCS Size
Medium (0.1–1 m²)
📖 About This Object
COSMOS 2391 is an active satellite operated by Russia (CIS), launched on 2002-07-08 from PKMTR. With over 24 years in orbit, it has far exceeded many satellites’ design lifetimes. It orbits in Low Earth Orbit (LEO) at altitudes between 1,464 km and 1,507 km with an inclination of 82.5°. It travels at approximately 25,642 km/h (7.12 km/s), completing one full orbit every 116 minutes — that’s roughly 12.45 orbits per day. At its current altitude, the estimated orbital lifetime before atmospheric re-entry is thousands of years. Orbital Radar tracks COSMOS 2391 in real time using the latest two-line element set (TLE) data, providing live position, altitude, speed and orbital path updated continuously.
🌍 Orbit Context
COSMOS 2391 orbits in the upper reaches of Low Earth Orbit, above 1,000 km. At this altitude, atmospheric drag is negligible and objects can remain in orbit for thousands of years without active deorbiting. This region is used by satellite broadband constellations like OneWeb and by scientific missions that need stable, long-duration orbits away from the densest debris bands. The high inclination typical at this altitude provides near-global coverage.
🔗 Cosmos (Military/Government) Series
This satellite carries the Cosmos designation, used by Russia (and formerly the Soviet Union) as a generic identifier for military and government spacecraft. The Cosmos series encompasses reconnaissance, signals intelligence (SIGINT), early warning, navigation, communications and scientific payloads. Many Cosmos satellites have classified missions with limited publicly available information.
❓ Frequently Asked Questions
COSMOS 2391 orbits in Low Earth Orbit (LEO) at altitudes between 1,464 km (perigee) and 1,507 km (apogee), with an average altitude of approximately 1,486 km. It completes one orbit every 116 minutes, travelling at approximately 25,642 km/h (15,933 mph).
COSMOS 2391 is operated by Russia (CIS). It is catalogued by the U.S. Space Surveillance Network under NORAD ID 27465. You can track COSMOS 2391 in real time on Orbital Radar’s live tracker.
COSMOS 2391 was launched on 2002-07-08 from PKMTR. At its current altitude, the estimated remaining orbital lifetime is: thousands of years.
Yes — Orbital Radar tracks COSMOS 2391 (NORAD ID 27465) using the latest TLE (two-line element set) data from Space-Track and CelesTrak. Open the live tracker to see its current position, altitude, speed and orbital path updated in real time.
COSMOS 2391 travels at approximately 25,642 km/h (15,933 mph) — roughly 7.12 km/s. It completes 12.45 orbits per day, meaning the crew or instruments aboard (if any) would experience approximately 25 sunrises and sunsets every 24 hours.