United States Air ForceTitan 23BSpace Launch Complex 4W, Vandenberg SFB, CA, USA
KH-8 31
Launched
April 22, 1971
Summary
KH-8 31 launched on an United States Air Force Titan 23B from Space Launch Complex 4W, Vandenberg SFB, CA, USA on April 22, 1971. It was United States Air Force's 546th launch, 10th this year and humanity's 1,208th orbital launch attempt. It was the 9th Titan 23B flight and the 2nd this year. The payload was bound for low Earth orbit (LEO). Its tracked orbit, from April 24, 1971, was 141 × 429 km inclined 110.9°. One object from this launch is catalogued.
- Watch
- No webcast on record.
- Vehicle
- Titan 23B · United States Air Force
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Low Earth Orbit (LEO)
- Milestone
- 9th Titan 23B flight · 2nd this yearUnited States Air Force's 546th launch10th this yearhumanity's 1,208th orbital launch attempt37th orbital launch attempt this year
Flight preview
Orbit: as tracked
OPS 7899 · NORAD 5171 · 1971-033 · Space-Track
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1971-033A
- Epoch
- 1971-04-24 20:52:45 UTC
- Mean motion
- 15.98797035 rev/day
- Eccentricity
- 0.0215769
- Inclination
- 110.9207°
- Ascending node
- 134.8171°
- Arg. of perigee
- 128.4038°
- Mean anomaly
- 233.4627°
- Element set
- 999
- Rev at epoch
- 35
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.
Catalogued objects
1 catalogued: 1 payload; none still in orbit
- OPS 7899 · NORAD 5171 · re-entered May 13, 1971
Data from J. McDowell, planet4589.org
About this launch
KH-8 Block 2 high resolution reconnaissance satellite.
Pad
Space Launch Complex 4W, Vandenberg SFB, CA, USA
44th launch from Space Launch Complex 4W, 3rd this year · 363rd from Vandenberg SFB, CA, USA
93 launches from this pad · 919 from Vandenberg SFB, CA, USA
32 days after the previous launch from this pad
Questions
When did KH-8 31 launch?
KH-8 31 launched on April 22, 1971. The time is known to the hour, not the minute.
Where can I watch KH-8 31?
No webcast is on record for this launch.
What rocket launched KH-8 31?
Titan 23B, flown by United States Air Force. Titan 23B spec sheet
Where did KH-8 31 launch from?
Space Launch Complex 4W, Vandenberg SFB, CA, USA.
What orbit did KH-8 31 reach?
Its tracked orbit, from April 24, 1971, was 141 × 429 km inclined 110.9°.
How many satellites did KH-8 31 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).