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YOHKOH (SOLAR-A) (21694)
COSPAR: 1991-062A | Alt Name: Yohkoh
DECAYED
Image
Additional Sources
Launch Details
Launch Date
August 30, 1991
Launch Site
KSCUT
Launch Pad
M1
Launch Vehicle
Mu-3S-II
Orbital Elements
NORAD ID
21694
International Designator
1991-062A
Decay Date
9/12/2005
Basic Satellite Info
Name
YOHKOH (SOLAR-A)
Alternative Name
Yohkoh
Type
Payload
Status
Decayed
Owner
ISASS
Country
Japan
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
YOHKOH (SOLAR-A), also known as Yohkoh, is a Solar Observatory satellite launched on August 30, 1991, from KSCUT using the Mu-3S-II launch vehicle. The spacecraft measures 2 meters in length and has a diameter of 1 meter with a span of 4.5 meters. It was manufactured by ISASS/NEC for ISASS and weighs approximately 390 kg at launch and dry mass. YOHKOH is equipped with two deployable fixed solar arrays and batteries to generate power. The satellite's shape can be described as Box + 2 Pan, and it has a radar cross-section of 3.1583 m². Its mission focuses on observing the sun from space.
Physical Characteristics
Length
2
Diameter
1
Span
4.5
Dry Mass
390
Launch Mass
390
Shape
Box + 2 Pan
Radar Cross Section
3.1583
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
SOLAR-A
Purpose
Solar Observatory
Mission
Solar Observatory
Manufacturer
ISASS/NEC
Life Expectancy
Unknown
Bus
SOLAR-A
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
2 deployable fixed solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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