Thor Agena A | Discoverer 4
Launch Failure
L - -- : -- : -- : --
Instantaneous launch window.
Launch Window
June 25, 1959, 10:47 p.m. - June 25, 1959, 10:47 p.m.
Instantaneous launch window.
June 25, 1959, 10:47 p.m. - June 25, 1959, 10:47 p.m.
Discoverer 4 was the fourth in a series of reconnaissance satellites, however, it failed to reach orbit when the Agena engine underperformed and failed to place the capsule into orbit.
Thor-Agena was a series of orbital launch vehicles. The rockets used Thor first stages and Agena second stages. They are thus cousins of the more-famous Thor-Deltas, which founded the Delta rocket family.
Classified experimental Chinese satellite of unknown purposes (officially described for "spatial environment detection" purposes).
A batch of 24 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
8 Earth observation satellites for the Jilin-1 commercial Earth observation satellites constellation: * High Resolution-04D 01-02 * High Resoluti…
A batch of 29 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Test flight of the H3-30 variant of the H3 launch vehicle with 3 LE-9 engines in the first stage and no SRBs. The flight will carry a dummy main payl…
A batch of 24 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Sub-orbital launch under Rocket Lab’s Hypersonic Accelerator Suborbital Test Electron (HASTE) program, details TBD.
Chinese classified satellite claimed to be for communication technology test purposes. Actual mission not known.
A pair of demonstration satellites for Direct-To-Cell (DTC) communications from Low Earth Orbit for SpaceSail and China Mobile: * SpaceSail DTC 01…
A batch of 29 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.