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. Tansei 2
// technology · 1974

Tansei 2

Tansei 2 was launched on February 16, 1974 aboard a Mu-3C from Uchinoura (Kagoshima). Latest status in GCAT: reentered (orbital decay) (Jan 22, 1983).

COSPAR 1974-008ANORAD 7122Japan

Identity

Name in GCAT
Tansei-2
Common name
Tansei 2
Payload designation
MS-T2
International designator
1974-008A
NORAD catalog number
7122
GCAT identifier
S07122
UN registration
A/AC.105/INF.287

Mission

Mission type
Technology
Use
Civil government
Program
Tansei
Owner
ISAS
Country
Japan
Builder
Institute of Space and Aeronautical Sci
Platform (bus)
MS-T

Launch

Date
February 16, 1974 · 05:00 UTC
Launch record
1974-008Success
Rocket
Mu-3C
Spaceport
Uchinoura (Kagoshima) · pad M

Orbit and fate

Orbit class (GCAT)
LEO/I
Perigee
283 km
Apogee
3,223 km
Inclination
31.24°
Status
Reentered (orbital decay)
Status date
January 22, 1983
Last known active
Mar 2, 1974
End of operations
Mar 2, 1974

Size

Mass
56 kg
Dry mass
56 kg
Length
0.5 m
Diameter
0.80 m
Span
1.5 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q11271449 (CC0).