COSMOS 2361
NORAD 25590
Payload
LEO
1998-076A
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🛰️ Orbital Parameters
Perigee
965 km
Apogee
1011 km
Inclination
82.9°
Period
104.9 min
Mean Motion
13.73228533 rev/day
TLE Epoch
2026-03-17 19:00:00 UTC
📐 Computed Orbital Characteristics
Avg. Altitude988 km
Orbital Velocity26,495 km/h
Velocity7.36 km/s
Orbital Period105 minutes
Orbits / Day13.73
Eccentricity0.0031
Semi-Major Axis7,359 km
Est. Orbital Lifetime~100–500 years
🚀 Launch & Identity
Country / Operator
🇷🇺 Russia (CIS)
Launch Date
1998-12-24
Launch Site
PKMTR
Int'l Designator
1998-076A
Object Type
Payload
RCS Size
Large (>1 m²)
🔗 Constellation / Groups
russian leo
📖 About This Object
COSMOS 2361 is an active satellite operated by Russia (CIS), launched on 1998-12-24 from PKMTR. With over 28 years in orbit, it has far exceeded many satellites’ design lifetimes. It orbits in Low Earth Orbit (LEO) at altitudes between 965 km and 1,011 km with an inclination of 82.9°. It travels at approximately 26,495 km/h (7.36 km/s), completing one full orbit every 105 minutes — that’s roughly 13.73 orbits per day. It is part of the Russian Leo constellation group. At its current altitude, the estimated orbital lifetime before atmospheric re-entry is ~100–500 years. Orbital Radar tracks COSMOS 2361 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 2361 occupies the mid-LEO band between 600 and 1,000 km, where atmospheric drag is minimal but radiation exposure remains low. This altitude range balances orbital longevity (decades to centuries) with reasonable ground coverage, making it popular for remote sensing constellations, scientific instruments and weather satellites. Debris concerns are significant here because objects persist far longer than in lower orbits.
🔗 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 2361 orbits in Low Earth Orbit (LEO) at altitudes between 965 km (perigee) and 1,011 km (apogee), with an average altitude of approximately 988 km. It completes one orbit every 105 minutes, travelling at approximately 26,495 km/h (16,463 mph).
COSMOS 2361 is operated by Russia (CIS). It is catalogued by the U.S. Space Surveillance Network under NORAD ID 25590. You can track COSMOS 2361 in real time on Orbital Radar’s live tracker.
COSMOS 2361 was launched on 1998-12-24 from PKMTR. At its current altitude, the estimated remaining orbital lifetime is: ~100–500 years.
Yes — Orbital Radar tracks COSMOS 2361 (NORAD ID 25590) 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 2361 travels at approximately 26,495 km/h (16,463 mph) — roughly 7.36 km/s. It completes 13.73 orbits per day, meaning the crew or instruments aboard (if any) would experience approximately 27 sunrises and sunsets every 24 hours.
COSMOS 2361 is a member of the Russian Leo constellation. Satellites in this group work together to provide coordinated coverage, typically in similar orbital planes at comparable altitudes. You can view all Russian Leo satellites on Orbital Radar’s live tracker.