Space Brief 26 Jun 2025
Exploring new defense agreements with Eutelsat, advances in U.S. Space Force projects, and updates on NATO's strategic discussions.
HUANJING 1C (HJ-1C) (38997)
COSPAR: 2012-064A | Alt Name: Huanjing Jianzai 1C
DECAYED
Image
Additional Sources
Launch Details
Launch Date
November 18, 2012
Launch Site
TAISC
Launch Pad
LC9
Launch Vehicle
Chang Zheng 2C
Orbital Elements
NORAD ID
38997
International Designator
2012-064A
Decay Date
3/1/2023
Basic Satellite Info
Name
HUANJING 1C (HJ-1C)
Alternative Name
Huanjing Jianzai 1C
Type
Payload
Status
Decayed
Owner
ZZWYZ
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
HUANJING 1C (HJ-1C), also known as Huanjing Jianzai 1C, is an Earth observation and radar satellite launched by China on November 18, 2012, from the Taiyuan Satellite Launch Center's LC9 launch pad using a Chang Zheng 2C rocket. The spacecraft uses the CAST-968B bus configuration and measures 3.8 meters in length with a diameter of 1 meter and a span of 8 meters when its solar arrays are deployed. It has a dry mass and launch mass of 890 kg each, and is powered by two deployable solar arrays and batteries. The satellite was manufactured by DFHZ (China Academy of Space Technology) for the purpose of Earth observation with radar capabilities.
Physical Characteristics
Length
3.8
Diameter
1
Span
8
Dry Mass
890
Launch Mass
890
Shape
Box+panels+plate
Radar Cross Section
7.657
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
HJ yihao C weixing
Purpose
Earth observation, radar
Mission
Earth observation, radar
Manufacturer
DFHZ
Life Expectancy
Unknown
Bus
CAST-968B
Configuration
CAST968B Bus
Motor
Unknown
Equipment
Unknown
Power System
2 deployable solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
X Report 14 Jul 2025
SpaceX successfully launched the Dror 1 satellite for Israel Aerospace Industries, marking another step forward in their launch capabilities.
Your Phone Already Talks to Space
SpaceX quietly built the world's largest 4G network without a single cell tower. Over 650 satellites now connect standard smartphones directly from orbit, and most people carrying compatible phones don't know the service exists.
X Report 5 May 2025
SpaceX celebrated Star Wars Day with a successful launch of Starlink satellites, furthering its mission to enhance global internet access. Lego also revealed a new collectible set tied to the franchise.
ESA-China SMILE Mission Reaches Orbit After 10-Year Push | KeepTrack Space Brief
ESA-China SMILE spacecraft successfully launched from Kourou to image Earth's magnetosphere. First continuous global views of solar wind interaction now in orbit.
SpaceX Lofts 45 Payloads Including Korean CAS500-2 | KeepTrack X Report
SpaceX's Falcon 9 rideshare lifted 45 satellites including South Korea's CAS500-2 Earth observer from Vandenberg at 0700 UTC May 3.
Space Brief 2 Jul 2025
Explore today's major events in space, including military advancements in satellite tracking, new missile defenses, and significant defense funding decisions.
Space Brief 21 Aug 2025
Today's brief covers the launch of the X-37B, cutting-edge quantum navigation systems, and the future of space-based military technology. Discover the role of SpaceX and the advancements in inertial navigation.