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United States Air ForceThor SLV-2A Agena DSpace Launch Complex 1W, Vandenberg SFB, CA, USA

KH-4A 28

Launched

December 24, 1965

Launch Successful

Image: Unknown

Summary

KH-4A 28 launched on an United States Air Force Thor SLV-2A Agena D from Space Launch Complex 1W, Vandenberg SFB, CA, USA on December 24, 1965. It was United States Air Force's 299th launch, 68th this year and humanity's 514th orbital launch attempt. It was the 45th Thor SLV-2A Agena D flight and the 15th this year. The payload was bound for low Earth orbit (LEO). The tracked orbit of OPS 4639, one of 2 catalogued objects, from January 17, 1966, was 172 × 291 km inclined 80.0°. 2 objects from this launch are catalogued, one of them a payload.

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
45th Thor SLV-2A Agena D flight · 15th this yearUnited States Air Force's 299th launch68th this yearhumanity's 514th orbital launch attempt121st orbital launch attempt this year

Flight preview

Orbit: as tracked

80.0°Inclination
172 × 291 kmPerigee × apogeefrom mean elements
89.0 minPeriodfrom mean elements
82.1°Ascending node
22187 d agoElement epoch1966-01-17 08:44 UTC · stale

OPS 4639 · NORAD 1866 · 1965-110 · Space-Track · tracking 1 of 2 objects

Show the numbers for orbit elements
Object
OPS 4639
Object ID
1965-110A
Epoch
1966-01-17 08:44:46 UTC
Mean motion
16.18319204 rev/day
Eccentricity
0.00904
Inclination
79.9854°
Ascending node
82.1181°
Arg. of perigee
82.92°
Mean anomaly
278.1142°
Element set
999
Rev at epoch
375
B*
0

Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.

Catalogued objects

2 catalogued: 1 payload, 1 component; none still in orbit

  • OPS 4639 · NORAD 1866 · re-entered January 20, 1966

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

Map of Space Launch Complex 1W

Space Launch Complex 1W, Vandenberg SFB, CA, USA

43rd launch from Space Launch Complex 1W, 3rd this year · 199th 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 28 launch?

KH-4A 28 launched on December 24, 1965. The time is known to the hour, not the minute.

Where can I watch KH-4A 28?

No webcast is on record for this launch.

What rocket launched KH-4A 28?

Thor SLV-2A Agena D, flown by United States Air Force. Thor SLV-2A Agena D spec sheet

Where did KH-4A 28 launch from?

Space Launch Complex 1W, Vandenberg SFB, CA, USA.

What orbit did KH-4A 28 reach?

The tracked orbit of OPS 4639, one of 2 catalogued objects, from January 17, 1966, was 172 × 291 km inclined 80.0°.

How many satellites did KH-4A 28 launch?

1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).