United States Air ForceThor Agena DSpace Launch Complex 1E, Vandenberg SFB, CA, USA
KH-4 20
Launched
April 1, 1963
Image: USAF
Summary
KH-4 20 launched on an United States Air Force Thor Agena D from Space Launch Complex 1E, Vandenberg SFB, CA, USA on April 1, 1963. It was United States Air Force's 134th launch, 8th this year and humanity's 234th orbital launch attempt. It was the 10th Thor Agena D flight and the 2nd this year. The payload was bound for low Earth orbit (LEO). It reached a 206 × 416 km orbit inclined 74.9°. One object from this launch is catalogued.
- Watch
- No webcast on record.
- Vehicle
- Thor Agena D · United States Air Force
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Low Earth Orbit (LEO)
- Milestone
- 10th Thor Agena D flight · 2nd this yearUnited States Air Force's 134th launch8th this yearhumanity's 234th orbital launch attempt10th orbital launch attempt this year
Flight preview
Orbit: as tracked
OPS 0720 · NORAD 562 · 1963-007 · Space-Track
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1963-007A
- Epoch
- 1963-04-02 03:01:12 UTC
- Mean motion
- 15.89439287 rev/day
- Eccentricity
- 0.0157309
- Inclination
- 74.9491°
- Ascending node
- 245.0958°
- Arg. of perigee
- 155.7555°
- Mean anomaly
- 205.0708°
- Element set
- 999
- Rev at epoch
- 3
- 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
1 catalogued: 1 payload; none still in orbit
- OPS 0720 · NORAD 562 · re-entered April 26, 1963
Data from J. McDowell, planet4589.org
About this launch
The KH-4 (Keyhole-4) was fourth version in the Corona-program to build an optical reconnaissance satellite.
Pad
Space Launch Complex 1E, Vandenberg SFB, CA, USA
24th launch from Space Launch Complex 1E, 3rd this year · 88th from Vandenberg SFB, CA, USA
45 launches from this pad · 919 from Vandenberg SFB, CA, USA
32 days after the previous launch from this pad
Questions
When did KH-4 20 launch?
KH-4 20 launched on April 1, 1963. The time is known to the hour, not the minute.
Where can I watch KH-4 20?
No webcast is on record for this launch.
What rocket launched KH-4 20?
Thor Agena D, flown by United States Air Force. Thor Agena D spec sheet
Where did KH-4 20 launch from?
Space Launch Complex 1E, Vandenberg SFB, CA, USA.
What orbit did KH-4 20 reach?
It reached a 206 × 416 km orbit inclined 74.9°.
How many satellites did KH-4 20 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).