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YAOGAN-46

NORAD 66313 Payload MEO 2025-250A ● Active
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Altitude (km)
Speed (km/s)
Latitude
Longitude
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🛰️ Orbital Parameters
Perigee
7490 km
Apogee
7503 km
Inclination
20.1°
Period
271.1 min
Mean Motion
5.31203691 rev/day
TLE Epoch
2026-06-18 15:00:00 UTC
📐 Computed Orbital Characteristics
Avg. Altitude7,497 km
Orbital Velocity19,301 km/h
Velocity5.36 km/s
Orbital Period4 hours 31 minutes
Orbits / Day5.31
Eccentricity0.0005
Semi-Major Axis13,868 km
Est. Orbital LifetimeEffectively permanent — above atmospheric drag
🚀 Launch & Identity
Country / Operator
🇨🇳 PLA Strategic Support Force (China)
Launch Date
2025-11-03
Launch Site
Wenchang, China
Int'l Designator
2025-250A
Object Type
Payload
RCS Size
Large (>1 m²)
📖 About This Object
YAOGAN-46 is an active satellite operated by PLA Strategic Support Force (China), launched on 2025-11-03 from Wenchang, China. As a relatively recent addition to the catalogue, its orbital elements are well-characterised. It orbits in Medium Earth Orbit (MEO) at altitudes between 7,490 km and 7,503 km with an inclination of 20.1°. It travels at approximately 19,301 km/h (5.36 km/s), completing one full orbit every 4 hours 31 minutes — that’s roughly 5.31 orbits per day. Orbital Radar tracks YAOGAN-46 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-46 orbits at an average altitude of 7,497 km in Medium Earth Orbit, the region between LEO and GEO (2,000–35,786 km). MEO’s higher altitude gives each satellite a much larger ground footprint than LEO, meaning fewer spacecraft are needed for global coverage — but signal latency is higher and radiation from the Van Allen belts is a significant design constraint. Within ±50 km of YAOGAN-46’s average altitude, there are currently 3 active payloads and 11 tracked debris or rocket body fragments. This is a relatively sparse altitude band, containing less than 1% of all active satellites. With an inclination of 20.1°, YAOGAN-46 passes over latitudes between 20.1°N and 20.1°S, covering the tropical and temperate zones where most of the world’s population resides. Low-to-mid inclination orbits are efficient to reach from equatorial and mid-latitude launch sites. China operates approximately 1,219 active satellites in total, of which 2 share a similar altitude band with YAOGAN-46.
🔗 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-46 orbits in Medium Earth Orbit (MEO) at altitudes between 7,490 km (perigee) and 7,503 km (apogee), with an average altitude of approximately 7,497 km. It completes one orbit every 4 hours 31 minutes, travelling at approximately 19,301 km/h (11,993 mph).
YAOGAN-46 is operated by PLA Strategic Support Force (China). It is catalogued by the U.S. Space Surveillance Network under NORAD ID 66313. You can track YAOGAN-46 in real time on Orbital Radar’s live tracker or browse all operators in the operator directory.
YAOGAN-46 was launched on 2025-11-03 from Wenchang, China, China’s newest coastal launch facility on Hainan Island, used for heavy-lift Long March 5 missions. View the full satellite launch log.
Yes — Orbital Radar tracks YAOGAN-46 (NORAD ID 66313) 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-46 travels at approximately 19,301 km/h (11,993 mph) — roughly 5.36 km/s. It completes 5.31 orbits per day, meaning the crew or instruments aboard (if any) would experience approximately 11 sunrises and sunsets every 24 hours.