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COSMOS 1328

NORAD 12987 Payload LEO 1981-117A ● Active
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Altitude (km)
Speed (km/s)
Latitude
Longitude
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🛰️ Orbital Parameters
Perigee
454 km
Apogee
468 km
Inclination
82.5°
Period
93.8 min
Mean Motion
15.35100026 rev/day
TLE Epoch
2026-05-08 20:00:00 UTC
📐 Computed Orbital Characteristics
Avg. Altitude461 km
Orbital Velocity27,498 km/h
Velocity7.64 km/s
Orbital Period94 minutes
Orbits / Day15.35
Eccentricity0.0010
Semi-Major Axis6,832 km
Est. Orbital Lifetime~1–3 years
🚀 Launch & Identity
Country / Operator
🇷🇺 Russia (CIS)
Launch Date
1981-12-03
Launch Site
PKMTR
Int'l Designator
1981-117A
Object Type
Payload
RCS Size
Large (>1 m²)
📖 About This Object
COSMOS 1328 is an active satellite operated by Russia (CIS), launched on 1981-12-03 from PKMTR. With over 45 years in orbit, it has far exceeded many satellites’ design lifetimes. It orbits in Low Earth Orbit (LEO) at altitudes between 454 km and 468 km with an inclination of 82.5°. It travels at approximately 27,498 km/h (7.64 km/s), completing one full orbit every 94 minutes — that’s roughly 15.35 orbits per day. At its current altitude, the estimated orbital lifetime before atmospheric re-entry is ~1–3 years. Orbital Radar tracks COSMOS 1328 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 1328 orbits in the most densely populated region of Low Earth Orbit, between roughly 300 and 600 km altitude. This band is home to the International Space Station, most Earth observation satellites, and the bulk of the Starlink constellation. Objects here experience measurable atmospheric drag, which gradually lowers their orbit over months to years and eventually causes re-entry. The relatively short signal path makes this altitude ideal for low-latency communications and high-resolution imaging.
🔗 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 1328 orbits in Low Earth Orbit (LEO) at altitudes between 454 km (perigee) and 468 km (apogee), with an average altitude of approximately 461 km. It completes one orbit every 94 minutes, travelling at approximately 27,498 km/h (17,086 mph).
COSMOS 1328 is operated by Russia (CIS). It is catalogued by the U.S. Space Surveillance Network under NORAD ID 12987. You can track COSMOS 1328 in real time on Orbital Radar’s live tracker.
COSMOS 1328 was launched on 1981-12-03 from PKMTR. At its current altitude, the estimated remaining orbital lifetime is: ~1–3 years.
Yes — Orbital Radar tracks COSMOS 1328 (NORAD ID 12987) 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 1328 travels at approximately 27,498 km/h (17,086 mph) — roughly 7.64 km/s. It completes 15.35 orbits per day, meaning the crew or instruments aboard (if any) would experience approximately 31 sunrises and sunsets every 24 hours.
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