United States Air ForceThor SLV-2A Agena DSpace Launch Complex 1W, Vandenberg SFB, CA, USA
KH-4A 5
Launched
April 27, 1964
Image: Unknown
Summary
KH-4A 5 launched on an United States Air Force Thor SLV-2A Agena D from Space Launch Complex 1W, Vandenberg SFB, CA, USA on April 27, 1964. It was United States Air Force's 191st launch, 16th this year and humanity's 321st orbital launch attempt. It was the 15th Thor SLV-2A Agena D flight and the 5th this year. The payload was bound for low Earth orbit (LEO). It reached a 165 × 448 km orbit inclined 79.8°. One object from this launch is catalogued.
- Watch
- No webcast on record.
- Vehicle
- Thor SLV-2A Agena D · United States Air Force
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Low Earth Orbit (LEO)
- Milestone
- 15th Thor SLV-2A Agena D flight · 5th this yearUnited States Air Force's 191st launch16th this yearhumanity's 321st orbital launch attempt28th orbital launch attempt this year
Flight preview
Orbit: as tracked
OPS 2921 · NORAD 796 · 1964-022 · Space-Track
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1964-022A
- Epoch
- 1964-04-27 22:50:58 UTC
- Mean motion
- 15.91121318 rev/day
- Eccentricity
- 0.0211998
- Inclination
- 79.842°
- Ascending node
- 272.2322°
- Arg. of perigee
- 153.3776°
- Mean anomaly
- 207.8181°
- Element set
- 999
- Rev at epoch
- 0
- 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 2921 · NORAD 796 · re-entered May 26, 1964
Data from J. McDowell, planet4589.org
About this launch
The KH-4A (Keyhole-4A) was the fifth optical reconnaissance satellite version in the Corona-program.
Pad

Space Launch Complex 1W, Vandenberg SFB, CA, USA
35th launch from Space Launch Complex 1W, 2nd this year · 128th from Vandenberg SFB, CA, USA
56 launches from this pad · 919 from Vandenberg SFB, CA, USA
72 days after the previous launch from this pad
Questions
When did KH-4A 5 launch?
KH-4A 5 launched on April 27, 1964. The time is known to the hour, not the minute.
Where can I watch KH-4A 5?
No webcast is on record for this launch.
What rocket launched KH-4A 5?
Thor SLV-2A Agena D, flown by United States Air Force. Thor SLV-2A Agena D spec sheet
Where did KH-4A 5 launch from?
Space Launch Complex 1W, Vandenberg SFB, CA, USA.
What orbit did KH-4A 5 reach?
It reached a 165 × 448 km orbit inclined 79.8°.
How many satellites did KH-4A 5 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).
