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Payload
KYOKKO (EXOS-A)
Nonoperational
Payload
MEO
A catalogued spacecraft payload.
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Launch
Launch date
February 4, 1978 at 07:00 AM UTC
Launch site
Uchinoura, Japan
Launched by
Mu-3H →
Operator
Institute of Space and Astronautical Science
Mission
Kyokko
Launch record
View full launch →
Orbit
Orbit regime
MEO
Apoapsis
3,937 km
Periapsis
641 km
Inclination
65.37°
Orbital period
133.84 min
Identity
COSPAR (Int'l)
1978-014A
NORAD catalog №
10664
Object type
Payload
Owner / operator
Japan
Radar cross-section
1.0127 m²
Status
Nonoperational
End of mission
Fate
No longer operational — remains in orbit as inactive.
Final status
Nonoperational