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United States Air ForceDelta 5920-8Space Launch Complex 2W, Vandenberg SFB, CA, USA

COBE

Launched

November 18, 1989

Launch Successful

Image: NASA

Summary

COBE launched on an United States Air Force Delta 5920-8 from Space Launch Complex 2W, Vandenberg SFB, CA, USA on November 18, 1989. It was United States Air Force's 875th launch, 12th this year and humanity's 3,464th orbital launch attempt. It was the 1st Delta 5920-8 flight. The payload was bound for low Earth orbit (LEO). COBE, one of 105 catalogued objects, reached a 895 × 905 km orbit inclined 99.0°. 105 objects from this launch are catalogued, one of them a payload.

Watch
No webcast on record.
Vehicle
Delta 5920-8 · United States Air Force
Booster
No booster details on record.
Mission
Astrophysics · Low Earth Orbit (LEO)
Milestone
1st Delta 5920-8 flightUnited States Air Force's 875th launch12th this yearhumanity's 3,464th orbital launch attempt90th orbital launch attempt this year

Flight preview

Orbit: as tracked

99.0°Inclination
895 × 905 kmPerigee × apogeefrom mean elements
102.8 minPeriodfrom mean elements
330.3°Ascending node
13480 d agoElement epoch1989-11-18 17:16 UTC · stale

COBE · NORAD 20322 · 1989-089 · Space-Track · tracking 1 of 105 objects

Show the numbers for orbit elements
Object
COBE
Object ID
1989-089A
Epoch
1989-11-18 17:16:56 UTC
Mean motion
14.00383338 rev/day
Eccentricity
0.0006737
Inclination
99.0212°
Ascending node
330.3452°
Arg. of perigee
229.3486°
Mean anomaly
131.0751°
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

105 catalogued: 1 payload, 1 rocket stage, 101 debris, 2 components; 4 still in orbit

  • COBE · NORAD 20322 · in orbit

Delta 189 · in orbit

Data from J. McDowell, planet4589.org

About this launch

Cosmology research satellite

Pad

Map of Space Launch Complex 2W

Space Launch Complex 2W, Vandenberg SFB, CA, USA

47th launch from Space Launch Complex 2W, 1st this year · 541st from Vandenberg SFB, CA, USA

99 launches from this pad · 919 from Vandenberg SFB, CA, USA

about 6 years after the previous launch from this pad

Questions

When did COBE launch?

COBE launched on November 18, 1989. The time is known to the hour, not the minute.

Where can I watch COBE?

No webcast is on record for this launch.

What rocket launched COBE?

Delta 5920-8, flown by United States Air Force. Delta 5920-8 spec sheet

Where did COBE launch from?

Space Launch Complex 2W, Vandenberg SFB, CA, USA.

What orbit did COBE reach?

COBE, one of 105 catalogued objects, reached a 895 × 905 km orbit inclined 99.0°.

How many satellites did COBE launch?

1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).