Institute of Space and Astronautical ScienceMu-3SMu Center, Uchinoura Space Center, Japan
Tansei-4
Launched
February 17, 1980
Summary
Tansei-4 launched on an Institute of Space and Astronautical Science Mu-3S from Mu Center, Uchinoura Space Center, Japan on February 17, 1980. It was Institute of Space and Astronautical Science's 17th launch, 1st this year and humanity's 2,298th orbital launch attempt. It was the 1st Mu-3S flight. The payload was bound for low Earth orbit (LEO). Tansei-4, one of 4 catalogued objects, reached a 522 × 613 km orbit inclined 38.7°. 4 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Booster
- No booster details on record.
- Mission
- Test Flight · Low Earth Orbit (LEO)
- Milestone
- 1st Mu-3S flightInstitute of Space and Astronautical Science's 17th launch1st this yearhumanity's 2,298th orbital launch attempt15th orbital launch attempt this year
Flight preview
Orbit: as tracked
Tansei-4 · NORAD 11706 · 1980-015 · Space-Track · tracking 1 of 4 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1980-015A
- Epoch
- 1980-02-17 03:23:08 UTC
- Mean motion
- 15.02106922 rev/day
- Eccentricity
- 0.0065864
- Inclination
- 38.6896°
- Ascending node
- 155.6895°
- Arg. of perigee
- 163.0414°
- Mean anomaly
- 197.2578°
- Element set
- 999
- Rev at epoch
- 1
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO. Ascent drawn from padside's representative profile.
Catalogued objects
4 catalogued: 1 payload, 1 rocket stage, 2 components; none still in orbit
- Tansei-4 · NORAD 11706 · re-entered May 12, 1983
M-3S-1 Stage 3 · re-entered January 20, 1984
Data from J. McDowell, planet4589.org
About this launch
Tansei-4 was a test satellite to verify the performance of Mu-3S rocket and to test out tecnhologies for future satellites.
Pad

Mu Center, Uchinoura Space Center, Japan
12th launch from Mu Center, 1st this year · 17th from Uchinoura Space Center, Japan
36 launches from this pad · 43 from Uchinoura Space Center, Japan
360 days after the previous launch from this pad
Questions
When did Tansei-4 launch?
Tansei-4 launched on February 17, 1980. The time is known to the hour, not the minute.
Where can I watch Tansei-4?
No webcast is on record for this launch.
What rocket launched Tansei-4?
Mu-3S, flown by Institute of Space and Astronautical Science. Mu-3S spec sheet
Where did Tansei-4 launch from?
Mu Center, Uchinoura Space Center, Japan.
What orbit did Tansei-4 reach?
Tansei-4, one of 4 catalogued objects, reached a 522 × 613 km orbit inclined 38.7°.
How many satellites did Tansei-4 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).