Padside
Menu

Institute of Space and Astronautical ScienceMu-3S-IIMu Center, Uchinoura Space Center, Japan

Akebono

Launched

February 21, 1989

Launch Successful

Summary

Akebono launched on an Institute of Space and Astronautical Science Mu-3S-II from Mu Center, Uchinoura Space Center, Japan on February 21, 1989. It was Institute of Space and Astronautical Science's 24th launch, 1st this year and humanity's 3,390th orbital launch attempt. It was the 4th Mu-3S-II flight and the 1st this year. The payload was bound for Elliptical Orbit (Elliptical). Akebono, one of 14 catalogued objects, reached a 283 × 10,481 km orbit inclined 75.1°. 14 objects from this launch are catalogued, one of them a payload.

Watch
No webcast on record.
Booster
No booster details on record.
Mission
Earth Science · Elliptical Orbit (Elliptical)
Milestone
4th Mu-3S-II flight · 1st this yearInstitute of Space and Astronautical Science's 24th launch1st this yearhumanity's 3,390th orbital launch attempt16th orbital launch attempt this year

Flight preview

Orbit: as tracked

75.1°Inclination
283 × 10481 kmPerigee × apogeefrom mean elements
211.3 minPeriodfrom mean elements
105.7°Ascending node
13749 d agoElement epoch1989-02-22 15:55 UTC · stale

Akebono · NORAD 19822 · 1989-016 · Space-Track · tracking 1 of 14 objects

Show the numbers for orbit elements
Object
EXOS D (AKEBONO)
Object ID
1989-016A
Epoch
1989-02-22 15:55:09 UTC
Mean motion
6.81348804 rev/day
Eccentricity
0.4338518
Inclination
75.0973°
Ascending node
105.6974°
Arg. of perigee
157.8179°
Mean anomaly
226.4237°
Element set
999
Rev at epoch
5
B*
0.0040156

Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: Elliptical. Ascent drawn from padside's representative profile.

Catalogued objects

14 catalogued: 1 payload, 1 rocket stage, 12 components; none still in orbit

  • Akebono · NORAD 19822 · re-entered November 26, 2024

M-3S2-4 Stage 3 · re-entered April 4, 1989

Data from J. McDowell, planet4589.org

About this launch

Japanese upper atmosphere research satellite

Pad

Map of Mu Center

Mu Center, Uchinoura Space Center, Japan

19th launch from Mu Center, 1st this year · 24th from Uchinoura Space Center, Japan

36 launches from this pad · 43 from Uchinoura Space Center, Japan

about 2 years after the previous launch from this pad

Questions

When did Akebono launch?

Akebono launched on February 21, 1989. The time is known to the hour, not the minute.

Where can I watch Akebono?

No webcast is on record for this launch.

What rocket launched Akebono?

Mu-3S-II, flown by Institute of Space and Astronautical Science. Mu-3S-II spec sheet

Where did Akebono launch from?

Mu Center, Uchinoura Space Center, Japan.

What orbit did Akebono reach?

Akebono, one of 14 catalogued objects, reached a 283 × 10,481 km orbit inclined 75.1°.

How many satellites did Akebono launch?

1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).