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United States Air ForceSM-65D Atlas576B3, Vandenberg SFB, CA, USA

OV1-4 & 5

Launched

March 30, 1966

Launch Successful

Image: United States Air Force

Summary

OV1-4 & 5 launched on an United States Air Force SM-65D Atlas from 576B3, Vandenberg SFB, CA, USA on March 30, 1966. It was United States Air Force's 312th launch, 13th this year and humanity's 546th orbital launch attempt. It was the 6th SM-65D Atlas flight and the 1st this year. The payload was bound for low Earth orbit (LEO). The tracked orbit of OV1-4, one of 8 catalogued objects, from April 1, 1966, was 896 × 1,021 km inclined 144.5°. 8 objects from this launch are catalogued, 2 of them payloads.

Watch
No webcast on record.
Vehicle
SM-65D Atlas · United States Air Force
Booster
No booster details on record.
Mission
Test Flight · Low Earth Orbit (LEO)
Milestone
6th SM-65D Atlas flight · 1st this yearUnited States Air Force's 312th launch13th this yearhumanity's 546th orbital launch attempt29th orbital launch attempt this year

Flight preview

Orbit: as tracked

144.5°Inclination
896 × 1021 kmPerigee × apogeefrom mean elements
104.1 minPeriodfrom mean elements
294.8°Ascending node
22112 d agoElement epoch1966-04-01 23:24 UTC · stale

OV1-4 · NORAD 2121 · 1966-025 · Space-Track · tracking 1 of 8 objects

Show the numbers for orbit elements
Object
OV1-4
Object ID
1966-025A
Epoch
1966-04-01 23:24:21 UTC
Mean motion
13.83539545 rev/day
Eccentricity
0.0085904
Inclination
144.5106°
Ascending node
294.8274°
Arg. of perigee
75.0607°
Mean anomaly
286.0053°
Element set
999
Rev at epoch
36
B*
0.00008793

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

Catalogued objects

8 catalogued: 2 payloads, 6 components; 6 still in orbit

  • OV1-4 · NORAD 2121 · in orbit
  • OV1-5 · NORAD 2122 · in orbit

Data from J. McDowell, planet4589.org

About this launch

The OV1 (Orbiting Vehicle 1) were small research satellite to be launched piggy back on Atlas ICBM test flights. They consisted in general of the OV1 satellite and the OV1-PM propulsion module (or upper stage) to reach orbit.

Pad

Map of 576B3

576B3, Vandenberg SFB, CA, USA

4th launch from 576B3, 1st this year · 209th from Vandenberg SFB, CA, USA

7 launches from this pad · 919 from Vandenberg SFB, CA, USA

176 days after the previous launch from this pad

Questions

When did OV1-4 & 5 launch?

OV1-4 & 5 launched on March 30, 1966. The time is known to the hour, not the minute.

Where can I watch OV1-4 & 5?

No webcast is on record for this launch.

What rocket launched OV1-4 & 5?

SM-65D Atlas, flown by United States Air Force. SM-65D Atlas spec sheet

Where did OV1-4 & 5 launch from?

576B3, Vandenberg SFB, CA, USA.

What orbit did OV1-4 & 5 reach?

The tracked orbit of OV1-4, one of 8 catalogued objects, from April 1, 1966, was 896 × 1,021 km inclined 144.5°.

How many satellites did OV1-4 & 5 launch?

2 payloads from this launch are catalogued, 2 of them still in orbit (Data from J. McDowell, planet4589.org).