Polaris Intelligence
Polaris
Intelligence
About
Ctrl K
Sign in
© Polaris Intelligence 2026
PrivacyTermsAdmin

Silu-1

retired

丝路一号

Technology DemonstrationLEOCOSPAR 2017-021FLaunched 4/20/2017
Admin Edit
Mission & Launch
Launch Mission
Tianzhou 1
Launch Vehicle
Long March 7
Launch Date
4/20/2017
Last Contact
4/22/2019
Orbit & Mass
Orbit Class
LEO
Altitude
390.5 km
Inclination
42.79 deg
Dry Mass
4 kg
Total Mass
4 kg
Payload Classification
Mission Type
Technology Demonstration
Payload Category
TECH
Payload Class
C
Organizations
Operator
Xian Bureau of Surveying and Mapping
Manufacturer
Space Star Technology Ltd
Registry
COSPAR ID
2017-021F
Track