Thor Delta C | Explorer 21
Launch Successful
L - -- : -- : -- : --
Instantaneous launch window.
Launch Window
Oct. 4, 1964, 3:45 a.m. - Oct. 4, 1964, 3:45 a.m.
Instantaneous launch window.
Oct. 4, 1964, 3:45 a.m. - Oct. 4, 1964, 3:45 a.m.
Explorer 21 (IMP 2) 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.
American orbital launch vehicle family with Thor first stage and a delta second stage.
A batch of 24 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
First of a three launches contract for Amazon's Kuiper low Earth orbit satellite internet constellation, with 24 satellites on board.
A batch of 26 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Eighth cargo delivery mission to the Chinese space station.
Note: SpaceX identifies the mission as "Commercial GTO 1". Dror-1 is a geostationary communication satellite built and developed by Israel Aerospa…
A batch of 28 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Progress resupply mission to the International Space Station.
Satellite officially named for "space environment detection" purposes, exact details unknown.
A batch of 27 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Second of EUMETSAT's third generation of weather satellite.