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QUESS
Chinese scientific satellite. QUESS was launched on August 15, 2016 aboard a Chang Zheng 2D from Jiuquan. Latest status in GCAT: reentered (orbital decay) (Jan 25, 2026).
COSPAR 2016-051ANORAD 41731China
Identity
- Name in GCAT
- Mozi hao
- Common name
- QUESS
- Payload designation
- QUESS
- International designator
- 2016-051A
- NORAD catalog number
- 41731
- GCAT identifier
- S41731
- UN registration
- ST/SG/SER.E/789
Mission
- Mission type
- Technology
- Use
- Civil government
- Program
- CAS
- Owner
- CAS
- Country
- China
- Builder
- Shanghai Engineering Center for Microsatellites, SIMIT
- Platform (bus)
- CAST-2000?
Launch
- Date
- August 15, 2016 · 17:40 UTC
- Launch record
- 2016-051Success
- Rocket
- Chang Zheng 2D
- Spaceport
- Jiuquan · pad LC603
Orbit and fate
- Orbit class (GCAT)
- LLEO/S
- Perigee
- 488 km
- Apogee
- 504 km
- Inclination
- 97.36°
- Status
- Reentered (orbital decay)
- Status date
- January 25, 2026
- Last known active
- January 2019
- End of operations
- December 2025
Size
- Mass
- 640 kg
- Dry mass
- 500 kg
- Length
- 2.0 m
- Diameter
- 1.50 m
- Span
- 4.0 m
Launched together
Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q25382402 (CC0).