National Space Development Agency of JapanN-IOsaki Launch Complex, Tanegashima Space Center, Japan
Ume 1
Launched
February 29, 1976
Summary
Ume 1 launched on a National Space Development Agency of Japan N-I from Osaki Launch Complex, Tanegashima Space Center, Japan on February 29, 1976. It was National Space Development Agency of Japan's 2nd launch, 1st this year and humanity's 1,803rd orbital launch attempt. It was the 2nd N-I flight and the 1st this year. The payload was bound for low Earth orbit (LEO). Ume, one of 2 catalogued objects, reached a 996 × 1,022 km orbit inclined 69.6°. 2 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 · Low Earth Orbit (LEO)
- Milestone
- 2nd N-I flight · 1st this yearNational Space Development Agency of Japan's 2nd launch1st this yearhumanity's 1,803rd orbital launch attempt20th orbital launch attempt this year
Flight preview
Orbit: as tracked
Ume · NORAD 8709 · 1976-019 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- UME 1 (ISS 1)
- Object ID
- 1976-019A
- Epoch
- 1976-02-29 09:56:33 UTC
- Mean motion
- 13.69370165 rev/day
- Eccentricity
- 0.0017138
- Inclination
- 69.63°
- Ascending node
- 190.9621°
- Arg. of perigee
- 229.9424°
- Mean anomaly
- 130.0116°
- Element set
- 999
- Rev at epoch
- 4
- 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
2 catalogued: 1 payload, 1 rocket stage; 2 still in orbit
- Ume · NORAD 8709 · in orbit
N-I-2F Stage 3 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Japanese ionospheric research satellite
Pad

Osaki Launch Complex, Tanegashima Space Center, Japan
2nd launch from Osaki Launch Complex, 1st this year · 2nd from Tanegashima Space Center, Japan
24 launches from this pad · 99 from Tanegashima Space Center, Japan
172 days after the previous launch from this pad
All launches from Tanegashima Space Center, JapanOpen in maps
Questions
When did Ume 1 launch?
Ume 1 launched on February 29, 1976. The time is known to the hour, not the minute.
Where can I watch Ume 1?
No webcast is on record for this launch.
What rocket launched Ume 1?
N-I, flown by National Space Development Agency of Japan. N-I spec sheet
Where did Ume 1 launch from?
Osaki Launch Complex, Tanegashima Space Center, Japan.
What orbit did Ume 1 reach?
Ume, one of 2 catalogued objects, reached a 996 × 1,022 km orbit inclined 69.6°.
How many satellites did Ume 1 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).