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YAOGAN 8

NORAD 36121 Payload LEO 2009-072A ● Active
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Altitude (km)
Speed (km/s)
Latitude
Longitude
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🛰️ Orbital Parameters
Perigee
1226 km
Apogee
1258 km
Inclination
100.2°
Period
110.3 min
Mean Motion
13.05083118 rev/day
TLE Epoch
2026-06-19 06:00:00 UTC
📐 Computed Orbital Characteristics
Avg. Altitude1,242 km
Orbital Velocity26,049 km/h
Velocity7.24 km/s
Orbital Period110 minutes
Orbits / Day13.05
Eccentricity0.0021
Semi-Major Axis7,613 km
Est. Orbital LifetimeThousands of years
🚀 Launch & Identity
Country / Operator
🇨🇳 Chinese Ministry of National Defense (China)
Launch Date
2009-12-15
Launch Site
Taiyuan, China
Int'l Designator
2009-072A
Object Type
Payload
RCS Size
Large (>1 m²)
📖 About This Object
YAOGAN 8 is an active satellite operated by Chinese Ministry of National Defense (China), launched on 2009-12-15 from Taiyuan, China. After 17 years in orbit, it continues to be tracked by global surveillance networks. It orbits in Low Earth Orbit (LEO) at altitudes between 1,226 km and 1,258 km with an inclination of 100.2°. It travels at approximately 26,049 km/h (7.24 km/s), completing one full orbit every 110 minutes — that’s roughly 13.05 orbits per day. At its current altitude, the estimated orbital lifetime before atmospheric re-entry is thousands of years. Orbital Radar tracks YAOGAN 8 in real time using the latest two-line element set (TLE) data, providing live position, altitude, speed and orbital path updated continuously.
🌍 Orbit Context
YAOGAN 8 orbits at an average altitude of 1,242 km in the uppermost reaches of Low Earth Orbit. At this altitude, orbital decay is effectively zero without active deorbiting, and coverage footprints are significantly larger than lower LEO, though at the cost of higher latency. Within ±50 km of YAOGAN 8’s average altitude, there are currently 463 active payloads and 295 tracked debris or rocket body fragments — notable neighbours include ONEWEB-0012, ONEWEB-0010, ONEWEB-0008. With an inclination of 100.2°, YAOGAN 8 passes over latitudes between 100.2°N and 100.2°S, providing near-global coverage including the polar regions. Polar and near-polar orbits are used for reconnaissance, weather monitoring and Earth-observation missions that need to image every part of the planet. China operates approximately 1,219 active satellites in total, of which 5 share a similar altitude band with YAOGAN 8.
🔗 Yaogan Reconnaissance Series

This satellite is part of China's Yaogan series, officially described as “remote sensing” satellites but widely assessed by analysts to serve military reconnaissance, signals intelligence and ocean surveillance missions. The series includes optical imaging, synthetic aperture radar (SAR) and electronic intelligence (ELINT) variants, some operating in coordinated orbital formations for persistent maritime monitoring.

❓ Frequently Asked Questions
YAOGAN 8 orbits in Low Earth Orbit (LEO) at altitudes between 1,226 km (perigee) and 1,258 km (apogee), with an average altitude of approximately 1,242 km. It completes one orbit every 110 minutes, travelling at approximately 26,049 km/h (16,186 mph).
YAOGAN 8 is operated by Chinese Ministry of National Defense (China). It is catalogued by the U.S. Space Surveillance Network under NORAD ID 36121. You can track YAOGAN 8 in real time on Orbital Radar’s live tracker or browse all operators in the operator directory.
YAOGAN 8 was launched on 2009-12-15 from Taiyuan, China. At its current altitude, the estimated remaining orbital lifetime is: thousands of years. View the full satellite launch log.
Yes — Orbital Radar tracks YAOGAN 8 (NORAD ID 36121) 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.
YAOGAN 8 travels at approximately 26,049 km/h (16,186 mph) — roughly 7.24 km/s. It completes 13.05 orbits per day, meaning the crew or instruments aboard (if any) would experience approximately 26 sunrises and sunsets every 24 hours.