2026-244Latest orbital launch: Falcon 9 · Starlink Group 15-16 · Oct 27, 2026 · VandenbergLaunch record →
sci-techmaventhe history of spaceflight, in data
  1. Home
  2. Spacecraft
  3. Hagoromo
// deep space · 1990

Hagoromo

20618. Hagoromo was launched on January 24, 1990 aboard a Mu-3S-II from Uchinoura (Kagoshima). Latest status in GCAT: left for deep space attached to another object (Jan 25, 1990).

COSPAR 1990-007BNORAD 20618Japan

Identity

Name in GCAT
Hagoromo
Payload designation
MUSES-A Subsatellite
International designator
1990-007B
NORAD catalog number
20618
GCAT identifier
S20618
UN registration
ST/SG/SER.E/966

Mission

Mission type
Deep space
Use
Civil government
Program
MUSES
Owner
ISAS
Country
Japan
Builder
Nippon Electric Corp., Space Div., Kamoi Works
Platform (bus)
MUSES SS

Launch

Date
January 24, 1990 · 11:46 UTC
Launch record
1990-007Success
Rocket
Mu-3S-II
Spaceport
Uchinoura (Kagoshima) · pad M1

Orbit and fate

Status
Left for deep space attached to another object
Status date
January 25, 1990
Last known active
Mar 18, 1990
End of operations
Mar 18, 1990

Size

Mass
8 kg
Dry mass
8 kg
Total mass with attached objects
12 kg
Length
0.4 m
Diameter
0.40 m
Span
0.4 m

Deep space

Deep-space catalog entry
D00695
Final central body
Luna
Phase start
March 18, 1990
Phase outcome
Released · March 18, 1990

Flight phases

FromCentral bodyEndedOutcomeNext
Jan 25, 1990EarthMar 18, 1990Escaped to another body, attachedLuna
Mar 18, 1990LunaMar 18, 1990Entered orbit around the target—
Mar 18, 1990Luna—In orbit—

Launched together

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q12949031 (CC0).