Space Brief 18 Sep 2025
Today's coverage includes China's recent satellite launch, the Space Force's challenges with current tracking capabilities, and advancements in nuclear propulsion from Ohio State.
ZHUHAI-1 OHS-03 (43442)
COSPAR: 2018-040D | Alt Name: Guiyang-1
DECAYED
Image
Additional Sources
Launch Details
Launch Date
April 26, 2018
Launch Site
JSC
Launch Pad
LC43/95
Launch Vehicle
Chang Zheng 11
Orbital Elements
NORAD ID
43442
International Designator
2018-040D
Decay Date
10/2/2024
Basic Satellite Info
Name
ZHUHAI-1 OHS-03
Alternative Name
Guiyang-1
Type
Payload
Status
Decayed
Owner
ZHUORB
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
The ZHUHAI-1 OHS-03 satellite, also known as Guiyang-1, is owned by ZHUORB and manufactured by HARB. It was launched on April 26, 2018, from the Jiuquan Satellite Launch Center (JSC) at LC43/95 using a Chang Zheng 11 launch vehicle. The satellite's dimensions are 0.5 meters in length, 0.4 meters in diameter, and has a span of 1 meter. It weighs 69 kilograms both at launch and dry mass. ZHUHAI-1 OHS-03 is equipped with a video imager for Earth observation purposes and is powered by two deployable fixed solar arrays along with batteries. The satellite's shape is described as a box, and its mission focuses on Earth observation activities.
Physical Characteristics
Length
0.5
Diameter
0.4
Span
1
Dry Mass
69
Launch Mass
69
Shape
Box
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
OHS-03
Purpose
Earth observation
Mission
Earth observation
Manufacturer
HARB
Life Expectancy
Unknown
Bus
OHS-1
Configuration
Unknown
Motor
?
Equipment
Video imager
Power System
2 deployable fixed solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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