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COSMOS 972

NORAD 10539 Payload LEO 1977-123A ● Active
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Altitude (km)
Speed (km/s)
Latitude
Longitude
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🛰️ Orbital Parameters
Perigee
711 km
Apogee
1152 km
Inclination
75.8°
Period
103.7 min
Mean Motion
13.89161657 rev/day
TLE Epoch
2026-06-19 05:00:00 UTC
📐 Computed Orbital Characteristics
Avg. Altitude932 km
Orbital Velocity26,597 km/h
Velocity7.39 km/s
Orbital Period104 minutes
Orbits / Day13.89
Eccentricity0.0302
Semi-Major Axis7,303 km
Est. Orbital Lifetime~100–500 years
🚀 Launch & Identity
Country / Operator
🇷🇺 Russia (CIS)
Launch Date
1977-12-27
Launch Site
PKMTR
Int'l Designator
1977-123A
Object Type
Payload
RCS Size
Large (>1 m²)
📖 About This Object
COSMOS 972 is an active satellite operated by Russia (CIS), launched on 1977-12-27 from PKMTR. With over 49 years in orbit, it has far exceeded many satellites’ design lifetimes. It orbits in Low Earth Orbit (LEO) at altitudes between 711 km and 1,152 km with an inclination of 75.8°. It travels at approximately 26,597 km/h (7.39 km/s), completing one full orbit every 104 minutes — that’s roughly 13.89 orbits per day. At its current altitude, the estimated orbital lifetime before atmospheric re-entry is ~100–500 years. Orbital Radar tracks COSMOS 972 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 972 orbits at an average altitude of 932 km in the upper LEO band, where atmospheric drag is negligible and objects can persist for centuries to millennia. This altitude is used by broadband constellations like OneWeb and by scientific missions requiring stable orbits far from the densest debris bands. Within ±50 km of COSMOS 972’s average altitude, there are currently 277 active payloads and 1,139 tracked debris or rocket body fragments. With an inclination of 75.8°, COSMOS 972 passes over latitudes between 75.8°N and 75.8°S, covering most populated land masses in both hemispheres. This mid-inclination band balances global coverage with efficient launch energy requirements. Russia (CIS) operates approximately 1,285 active satellites in total, of which 105 share a similar altitude band with COSMOS 972.
❓ Frequently Asked Questions
COSMOS 972 orbits in Low Earth Orbit (LEO) at altitudes between 711 km (perigee) and 1,152 km (apogee), with an average altitude of approximately 932 km. It completes one orbit every 104 minutes, travelling at approximately 26,597 km/h (16,527 mph).
COSMOS 972 is operated by Russia (CIS). It is catalogued by the U.S. Space Surveillance Network under NORAD ID 10539. You can track COSMOS 972 in real time on Orbital Radar’s live tracker or browse all operators in the operator directory.
COSMOS 972 was launched on 1977-12-27 from PKMTR. At its current altitude, the estimated remaining orbital lifetime is: ~100–500 years. View the full satellite launch log.
Yes — Orbital Radar tracks COSMOS 972 (NORAD ID 10539) 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. You can also browse the satellite directory to find other tracked objects.
COSMOS 972 travels at approximately 26,597 km/h (16,527 mph) — roughly 7.39 km/s. It completes 13.89 orbits per day, meaning the crew or instruments aboard (if any) would experience approximately 28 sunrises and sunsets every 24 hours.