United States Air ForceThorad SLV-2G Agena DSpace Launch Complex 1W, Vandenberg SFB, CA, USA
KH-4B 1
Launched
September 15, 1967
Image: NASA
Summary
KH-4B 1 launched on an United States Air Force Thorad SLV-2G Agena D from Space Launch Complex 1W, Vandenberg SFB, CA, USA on September 15, 1967. It was United States Air Force's 417th launch, 45th this year and humanity's 745th orbital launch attempt. It was the 6th Thorad SLV-2G Agena D flight and the 4th this year. The payload was bound for low Earth orbit (LEO). It reached a 170 × 392 km orbit inclined 80.1°. One object from this launch is catalogued.
- 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
- 6th Thorad SLV-2G Agena D flight · 4th this yearUnited States Air Force's 417th launch45th this yearhumanity's 745th orbital launch attempt97th orbital launch attempt this year
Flight preview
Orbit: as tracked
OPS 5089 · NORAD 2946 · 1967-087 · Space-Track
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1967-087A
- Epoch
- 1967-09-15 23:39:32 UTC
- Mean motion
- 16.00219874 rev/day
- Eccentricity
- 0.0166587
- Inclination
- 80.0517°
- Ascending node
- 356.5216°
- Arg. of perigee
- 174.9874°
- Mean anomaly
- 185.2994°
- 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 5089 · NORAD 2946 · re-entered October 4, 1967
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 1W, Vandenberg SFB, CA, USA
48th launch from Space Launch Complex 1W, 2nd this year · 276th from Vandenberg SFB, CA, USA
56 launches from this pad · 919 from Vandenberg SFB, CA, USA
90 days after the previous launch from this pad
Questions
When did KH-4B 1 launch?
KH-4B 1 launched on September 15, 1967. The time is known to the hour, not the minute.
Where can I watch KH-4B 1?
No webcast is on record for this launch.
What rocket launched KH-4B 1?
Thorad SLV-2G Agena D, flown by United States Air Force. Thorad SLV-2G Agena D spec sheet
Where did KH-4B 1 launch from?
Space Launch Complex 1W, Vandenberg SFB, CA, USA.
What orbit did KH-4B 1 reach?
It reached a 170 × 392 km orbit inclined 80.1°.
How many satellites did KH-4B 1 launch?
1 payload from this launch is catalogued, no longer 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)