National Aeronautics and Space AdministrationScout X-4Launch Area 3A, Wallops Flight Facility, Virginia, USA
Beacon Explorer C
Launched
April 29, 1965
Image: U.S. Air Force
Summary
Beacon Explorer C launched on a National Aeronautics and Space Administration Scout X-4 from Launch Area 3A, Wallops Flight Facility, Virginia, USA on April 29, 1965. It was National Aeronautics and Space Administration's 64th launch, 3rd this year and humanity's 430th orbital launch attempt. It was the 10th Scout X-4 flight and the 1st this year. The payload was bound for low Earth orbit (LEO). Explorer 27, one of 4 catalogued objects, reached a 939 × 1,331 km orbit inclined 41.2°. 4 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
- 10th Scout X-4 flight · 1st this yearNational Aeronautics and Space Administration's 64th launch3rd this yearhumanity's 430th orbital launch attempt37th orbital launch attempt this year
Flight preview
Orbit: as tracked
Explorer 27 · NORAD 1328 · 1965-032 · Space-Track · tracking 1 of 4 objects
Show the numbers for orbit elements
- Object
- EXPLORER 27
- Object ID
- 1965-032A
- Epoch
- 1965-04-29 17:26:22 UTC
- Mean motion
- 13.3492734 rev/day
- Eccentricity
- 0.0260995
- Inclination
- 41.1667°
- Ascending node
- 238.5589°
- Arg. of perigee
- 64.9402°
- Mean anomaly
- 297.6071°
- 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
4 catalogued: 1 payload, 1 rocket stage, 2 components; 3 still in orbit
- Explorer 27 · NORAD 1328 · in orbit
Scout S136R Stage 4 · in orbit
Data from J. McDowell, planet4589.org
About this launch
The BE (Beacon Explorer) satellites provided Laser reflectors for geodetic measurements as well measured the electron density in the ionosphere.
Pad

Launch Area 3A, Wallops Flight Facility, Virginia, USA
2nd launch from Launch Area 3A, 1st this year · 27th from Wallops Flight Facility, Virginia, USA
18 launches from this pad · 87 from Wallops Flight Facility, Virginia, USA
134 days after the previous launch from this pad
All launches from Wallops Flight Facility, Virginia, USAOpen in maps
Questions
When did Beacon Explorer C launch?
Beacon Explorer C launched on April 29, 1965. The time is known to the hour, not the minute.
Where can I watch Beacon Explorer C?
No webcast is on record for this launch.
What rocket launched Beacon Explorer C?
Scout X-4, flown by National Aeronautics and Space Administration. Scout X-4 spec sheet
Where did Beacon Explorer C launch from?
Launch Area 3A, Wallops Flight Facility, Virginia, USA.
What orbit did Beacon Explorer C reach?
Explorer 27, one of 4 catalogued objects, reached a 939 × 1,331 km orbit inclined 41.2°.
How many satellites did Beacon Explorer C launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).
