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TIANWEN-1 (45935)
COSPAR: 2020-049A | Alt Name: Tianwen-1 Orbiter
DECAYED
Image
Additional Sources
Launch Details
Launch Date
July 23, 2020
Launch Site
WSC
Launch Pad
LC101
Launch Vehicle
Chang Zheng 5
Orbital Elements
NORAD ID
45935
International Designator
2020-049A
Decay Date
Unknown
Basic Satellite Info
Name
TIANWEN-1
Alternative Name
Tianwen-1 Orbiter
Type
Payload
Status
Operational
Owner
LDSE/CAST
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
TIANWEN-1, also known as Tianwen-1 Orbiter, is a Mars mission satellite launched on July 23, 2020, from the Wenchang Spacecraft Launch Site (WSC) in China using the Chang Zheng 5 launch vehicle. The spacecraft has dimensions of 2 meters in length and 4 meters in diameter with a span of 10 meters. It was manufactured by SAST for the Lunar Exploration and Space Program Center/China Academy of Space Technology (LDSE/CAST). TIANWEN-1 carries a dry mass of 1,645 kilograms and had a launch mass of 3,175 kilograms. Its mission involves deploying both an orbiter and a rover on Mars to conduct scientific research. The power supply for the spacecraft is provided by solar cells with batteries used during cruise stages and for the rover operations. The satellite has an octagonal cylindrical shape with two panels attached.
Physical Characteristics
Length
2
Diameter
4
Span
10
Dry Mass
1645
Launch Mass
3175
Shape
Oct Cyl+2 pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Tianwen-1
Purpose
Mars orbiter and rover
Mission
Mars orbiter and rover
Manufacturer
SAST
Life Expectancy
Unknown
Bus
Tianwen
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Solar cells, batteries (cruise stage); Solar cells, batteries (rover)
ADCS
Unknown
Transmitter Frequency
Unknown
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