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United States Air ForceTitan 24BSpace Launch Complex 4W, Vandenberg SFB, CA, USA

KH-8 51

Launched

February 28, 1981

Launch Successful

Summary

KH-8 51 launched on an United States Air Force Titan 24B from Space Launch Complex 4W, Vandenberg SFB, CA, USA on February 28, 1981. It was United States Air Force's 765th launch, 1st this year and humanity's 2,411th orbital launch attempt. It was the 20th Titan 24B flight and the 1st this year. The payload was bound for low Earth orbit (LEO). It reached a 179 × 344 km orbit inclined 96.4°. One object from this launch is catalogued.

Watch
No webcast on record.
Vehicle
Titan 24B · United States Air Force
Booster
No booster details on record.
Mission
Government/Top Secret · Low Earth Orbit (LEO)
Milestone
20th Titan 24B flight · 1st this yearUnited States Air Force's 765th launch1st this yearhumanity's 2,411th orbital launch attempt20th orbital launch attempt this year

Flight preview

Orbit: as tracked

96.4°Inclination
179 × 344 kmPerigee × apogeefrom mean elements
89.6 minPeriodfrom mean elements
142.8°Ascending node
16665 d agoElement epoch1981-03-01 03:36 UTC · stale

OPS 1166 · NORAD 12315 · 1981-019 · Space-Track

Show the numbers for orbit elements
Object
OPS 1166
Object ID
1981-019A
Epoch
1981-03-01 03:36:56 UTC
Mean motion
16.07261395 rev/day
Eccentricity
0.0124058
Inclination
96.3787°
Ascending node
142.8301°
Arg. of perigee
158.8591°
Mean anomaly
201.7969°
Element set
999
Rev at epoch
5
B*
0.000033999

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

1 catalogued: 1 payload; none still in orbit

  • OPS 1166 · NORAD 12315 · re-entered June 20, 1981

Data from J. McDowell, planet4589.org

About this launch

KH-8 Block 4 high resolution reconnaissance satellite.

Pad

Map of Space Launch Complex 4W

Space Launch Complex 4W, Vandenberg SFB, CA, USA

72nd launch from Space Launch Complex 4W, 1st this year · 485th from Vandenberg SFB, CA, USA

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

77 days after the previous launch from this pad

Questions

When did KH-8 51 launch?

KH-8 51 launched on February 28, 1981. The time is known to the hour, not the minute.

Where can I watch KH-8 51?

No webcast is on record for this launch.

What rocket launched KH-8 51?

Titan 24B, flown by United States Air Force. Titan 24B spec sheet

Where did KH-8 51 launch from?

Space Launch Complex 4W, Vandenberg SFB, CA, USA.

What orbit did KH-8 51 reach?

It reached a 179 × 344 km orbit inclined 96.4°.

How many satellites did KH-8 51 launch?

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