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// optical imaging · 1990

MOS-1b

20478. MOS-1b was launched on February 7, 1990 aboard a H-1 from Tanegashima. Latest status in GCAT: in orbit.

COSPAR 1990-013ANORAD 20478Japan

Identity

Name in GCAT
Momo-1B
Common name
MOS-1b
Payload designation
MOS-1b
International designator
1990-013A
NORAD catalog number
20478
GCAT identifier
S20478
UN registration
ST/SG/SER.E/224

Mission

Mission type
Optical imaging
Use
Civil government
Program
NASDA RS
Owner
NASDA
Country
Japan
Builder
Nippon Electric Corp., Space Div., Kamoi Works
Platform (bus)
MOS

Launch

Date
February 7, 1990 · 01:33 UTC
Launch record
1990-013Success
Rocket
H-1
Spaceport
Tanegashima · pad N

Orbit and fate

Orbit class (GCAT)
LEO/S
Perigee
911 km
Apogee
912 km
Inclination
99.20°
Status
In orbit
Last known active
May 1996
End of operations
May 1996

Size

Mass
740 kg
Dry mass
740 kg
Length
2.4 m
Diameter
1.30 m
Span
6.3 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q11280113 (CC0).