United States Air ForceThor Delta CSpace Launch Complex 17B, Cape Canaveral SFS, FL, USA
Explorer 28
Launched
May 29, 1965
Image: NASA
Summary
Explorer 28 launched on an United States Air Force Thor Delta C from Space Launch Complex 17B, Cape Canaveral SFS, FL, USA on May 29, 1965. It was United States Air Force's 262nd launch, 31st this year and humanity's 441st orbital launch attempt. It was the 6th Thor Delta C flight and the 3rd this year. The payload was bound for Elliptical Orbit (Elliptical). One object from this launch is catalogued.
- Watch
- No webcast on record.
- Vehicle
- Thor Delta C · United States Air Force
- Booster
- No booster details on record.
- Mission
- Astrophysics · Elliptical Orbit (Elliptical)
- Milestone
- 6th Thor Delta C flight · 3rd this yearUnited States Air Force's 262nd launch31st this yearhumanity's 441st orbital launch attempt48th orbital launch attempt this year
Flight preview
Catalogued objects
1 catalogued: 1 payload
- IMP 3 · NORAD 1388 · left Earth orbit May 30, 1965
Data from J. McDowell, planet4589.org
About this launch
Explorer 28 (IMP 3) was a solar-cell and chemical-battery powered spacecraft instrumented for interplanetary and distant magnetospheric studies of energetic particles, cosmic rays, magnetic fields, and plasmas.
Pad
Space Launch Complex 17B, Cape Canaveral SFS, FL, USA
21st launch from Space Launch Complex 17B, 2nd this year · 143rd from Cape Canaveral SFS, FL, USA
132 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
114 days after the previous launch from this pad
Questions
When did Explorer 28 launch?
Explorer 28 launched on May 29, 1965. The time is known to the hour, not the minute.
Where can I watch Explorer 28?
No webcast is on record for this launch.
What rocket launched Explorer 28?
Thor Delta C, flown by United States Air Force. Thor Delta C spec sheet
Where did Explorer 28 launch from?
Space Launch Complex 17B, Cape Canaveral SFS, FL, USA.
What orbit was Explorer 28 going to?
Elliptical Orbit (Elliptical), a astrophysics mission.
How many satellites did Explorer 28 launch?
1 payload from this launch is catalogued (Data from J. McDowell, planet4589.org).