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National Aeronautics and Space AdministrationScout X-4Space Launch Complex 5, Vandenberg SFB, CA, USA

Explorer 19

Launched

December 19, 1963

Launch Successful

Image: U.S. Air Force

Summary

Explorer 19 launched on a National Aeronautics and Space Administration Scout X-4 from Space Launch Complex 5, Vandenberg SFB, CA, USA on December 19, 1963. It was National Aeronautics and Space Administration's 49th launch, 4th this year and humanity's 291st orbital launch attempt. It was the 2nd Scout X-4 flight. The payload was bound for low Earth orbit (LEO). Explorer 19, one of 10 catalogued objects, reached a 589 × 2,379 km orbit inclined 78.6°. 10 objects from this launch are catalogued, one of them a payload.

Watch
No webcast on record.
Booster
No booster details on record.
Mission
Earth Science · Low Earth Orbit (LEO)
Milestone
2nd Scout X-4 flightNational Aeronautics and Space Administration's 49th launch4th this yearhumanity's 291st orbital launch attempt67th orbital launch attempt this year

Flight preview

Orbit: as tracked

78.6°Inclination
589 × 2379 kmPerigee × apogeefrom mean elements
115.5 minPeriodfrom mean elements
78.3°Ascending node
22946 d agoElement epoch1963-12-19 20:03 UTC · stale

Explorer 19 · NORAD 714 · 1963-053 · Space-Track · tracking 1 of 10 objects

Show the numbers for orbit elements
Object
EXPLORER 19 (ADI-1)
Object ID
1963-053A
Epoch
1963-12-19 20:03:15 UTC
Mean motion
12.47088993 rev/day
Eccentricity
0.11395
Inclination
78.62°
Ascending node
78.349°
Arg. of perigee
165.465°
Mean anomaly
198.196°
Element set
999
Rev at epoch
1
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

10 catalogued: 1 payload, 1 rocket stage, 6 debris, 2 components; 3 still in orbit

  • Explorer 19 · NORAD 714 · re-entered May 10, 1981

Scout S122R Stage 4 · in orbit

Data from J. McDowell, planet4589.org

About this launch

Explorer 19 was the second in a series of 3.66-m inflatable spheres placed into orbit to determine atmospheric densities.

Pad

Map of Space Launch Complex 5

Space Launch Complex 5, Vandenberg SFB, CA, USA

10th launch from Space Launch Complex 5, 6th this year · 116th from Vandenberg SFB, CA, USA

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

83 days after the previous launch from this pad

Questions

When did Explorer 19 launch?

Explorer 19 launched on December 19, 1963. The time is known to the hour, not the minute.

Where can I watch Explorer 19?

No webcast is on record for this launch.

What rocket launched Explorer 19?

Scout X-4, flown by National Aeronautics and Space Administration. Scout X-4 spec sheet

Where did Explorer 19 launch from?

Space Launch Complex 5, Vandenberg SFB, CA, USA.

What orbit did Explorer 19 reach?

Explorer 19, one of 10 catalogued objects, reached a 589 × 2,379 km orbit inclined 78.6°.

How many satellites did Explorer 19 launch?

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