United States Air ForceThorad SLV-2G Agena DSpace Launch Complex 1E, Vandenberg SFB, CA, USA
KH-4A 47
Launched
June 20, 1968
Image: NASA
Summary
KH-4A 47 launched on an United States Air Force Thorad SLV-2G Agena D from Space Launch Complex 1E, Vandenberg SFB, CA, USA on June 20, 1968. It was United States Air Force's 450th launch, 17th this year and humanity's 848th orbital launch attempt. It was the 13th Thorad SLV-2G Agena D flight and the 5th this year. The payload was bound for low Earth orbit (LEO). OPS 5343, one of 2 catalogued objects, reached a 199 × 331 km orbit inclined 85.0°. 2 objects from this launch are catalogued, all of them payloads.
- Watch
- No webcast on record.
- Vehicle
- Thorad SLV-2G Agena D · United States Air Force
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Low Earth Orbit (LEO)
- Milestone
- 13th Thorad SLV-2G Agena D flight · 5th this yearUnited States Air Force's 450th launch17th this yearhumanity's 848th orbital launch attempt60th orbital launch attempt this year
Flight preview
Orbit: as tracked
OPS 5343 · NORAD 3296 · 1968-052 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1968-052A
- Epoch
- 1968-06-21 01:43:31 UTC
- Mean motion
- 16.05971324 rev/day
- Eccentricity
- 0.0099266
- Inclination
- 84.9893°
- Ascending node
- 299.476°
- Arg. of perigee
- 163.0638°
- Mean anomaly
- 197.4013°
- 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
2 catalogued: 2 payloads; none still in orbit
- OPS 5343 · NORAD 3296 · re-entered July 16, 1968
- TRIPOS III · NORAD 3297 · re-entered January 11, 1970
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 1E, Vandenberg SFB, CA, USA
44th launch from Space Launch Complex 1E, 3rd this year · 300th from Vandenberg SFB, CA, USA
45 launches from this pad · 919 from Vandenberg SFB, CA, USA
97 days after the previous launch from this pad
Questions
When did KH-4A 47 launch?
KH-4A 47 launched on June 20, 1968. The time is known to the hour, not the minute.
Where can I watch KH-4A 47?
No webcast is on record for this launch.
What rocket launched KH-4A 47?
Thorad SLV-2G Agena D, flown by United States Air Force. Thorad SLV-2G Agena D spec sheet
Where did KH-4A 47 launch from?
Space Launch Complex 1E, Vandenberg SFB, CA, USA.
What orbit did KH-4A 47 reach?
OPS 5343, one of 2 catalogued objects, reached a 199 × 331 km orbit inclined 85.0°.
How many satellites did KH-4A 47 launch?
2 payloads from this launch are catalogued, none of them still in orbit (Data from J. McDowell, planet4589.org).
![Thorad-SLV2G Agena-D (Nimbus 3) [NASA]](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fthorad-slv2g_ag_image_20251102061406.jpg&w=1600)