United States Air ForceThorad SLV-2G Agena DSpace Launch Complex 1W, Vandenberg SFB, CA, USA
KH-4A 42
Launched
June 16, 1967
Image: NASA
Summary
KH-4A 42 launched on an United States Air Force Thorad SLV-2G Agena D from Space Launch Complex 1W, Vandenberg SFB, CA, USA on June 16, 1967. It was United States Air Force's 402nd launch, 30th this year and humanity's 716th orbital launch attempt. It was the 4th Thorad SLV-2G Agena D flight and the 2nd this year. The payload was bound for low Earth orbit (LEO). OPS 3559, one of 2 catalogued objects, reached a 175 × 391 km orbit inclined 80.0°. 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
- 4th Thorad SLV-2G Agena D flight · 2nd this yearUnited States Air Force's 402nd launch30th this yearhumanity's 716th orbital launch attempt68th orbital launch attempt this year
Flight preview
Orbit: as tracked
OPS 3559 · NORAD 2850 · 1967-062 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1967-062A
- Epoch
- 1967-06-17 00:03:54 UTC
- Mean motion
- 15.99510774 rev/day
- Eccentricity
- 0.016226
- Inclination
- 80.0495°
- Ascending node
- 295.4752°
- Arg. of perigee
- 176.5792°
- Mean anomaly
- 183.6508°
- 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 3559 · NORAD 2850 · re-entered July 20, 1967
- SAVANT I · NORAD 2851 · re-entered October 22, 1968
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
47th launch from Space Launch Complex 1W, 1st this year · 267th from Vandenberg SFB, CA, USA
56 launches from this pad · 919 from Vandenberg SFB, CA, USA
220 days after the previous launch from this pad
Questions
When did KH-4A 42 launch?
KH-4A 42 launched on June 16, 1967. The time is known to the hour, not the minute.
Where can I watch KH-4A 42?
No webcast is on record for this launch.
What rocket launched KH-4A 42?
Thorad SLV-2G Agena D, flown by United States Air Force. Thorad SLV-2G Agena D spec sheet
Where did KH-4A 42 launch from?
Space Launch Complex 1W, Vandenberg SFB, CA, USA.
What orbit did KH-4A 42 reach?
OPS 3559, one of 2 catalogued objects, reached a 175 × 391 km orbit inclined 80.0°.
How many satellites did KH-4A 42 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)