United States Air ForceThorad SLV-2H Agena DSpace Launch Complex 3W, Vandenberg SFB, CA, USA
KH-4B 10
Launched
May 20, 1970
Image: NASA
Summary
KH-4B 10 launched on an United States Air Force Thorad SLV-2H Agena D from Space Launch Complex 3W, Vandenberg SFB, CA, USA on May 20, 1970. It was United States Air Force's 521st launch, 12th this year and humanity's 1,088th orbital launch attempt. It was the 5th Thorad SLV-2H Agena D flight and the 2nd this year. The payload was bound for low Earth orbit (LEO). OPS 4720, one of 2 catalogued objects, reached a 186 × 242 km orbit inclined 83.0°. 2 objects from this launch are catalogued, all of them payloads.
- Watch
- No webcast on record.
- Vehicle
- Thorad SLV-2H Agena D · United States Air Force
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Low Earth Orbit (LEO)
- Milestone
- 5th Thorad SLV-2H Agena D flight · 2nd this yearUnited States Air Force's 521st launch12th this yearhumanity's 1,088th orbital launch attempt42nd orbital launch attempt this year
Flight preview
Orbit: as tracked
OPS 4720 · NORAD 4405 · 1970-040 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1970-040A
- Epoch
- 1970-05-21 00:01:27 UTC
- Mean motion
- 16.24767842 rev/day
- Eccentricity
- 0.004235
- Inclination
- 82.9876°
- Ascending node
- 267.1641°
- Arg. of perigee
- 154.5215°
- Mean anomaly
- 205.8122°
- Element set
- 999
- Rev at epoch
- 2
- 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: 2 payloads; none still in orbit
- OPS 4720 · NORAD 4405 · re-entered June 17, 1970
- TRIPOS IV · NORAD 4406 · re-entered March 8, 1974
Data from J. McDowell, planet4589.org
About this launch
The KH-4B (Keyhole-4B) was sixth optical reconnaissance satellite version in the Corona-program.
Pad
Space Launch Complex 3W, Vandenberg SFB, CA, USA
40th launch from Space Launch Complex 3W, 2nd this year · 347th from Vandenberg SFB, CA, USA
81 launches from this pad · 919 from Vandenberg SFB, CA, USA
76 days after the previous launch from this pad
Questions
When did KH-4B 10 launch?
KH-4B 10 launched on May 20, 1970. The time is known to the hour, not the minute.
Where can I watch KH-4B 10?
No webcast is on record for this launch.
What rocket launched KH-4B 10?
Thorad SLV-2H Agena D, flown by United States Air Force. Thorad SLV-2H Agena D spec sheet
Where did KH-4B 10 launch from?
Space Launch Complex 3W, Vandenberg SFB, CA, USA.
What orbit did KH-4B 10 reach?
OPS 4720, one of 2 catalogued objects, reached a 186 × 242 km orbit inclined 83.0°.
How many satellites did KH-4B 10 launch?
2 payloads from this launch are catalogued, none of them still in orbit (Data from J. McDowell, planet4589.org).