Orbital ATK Inc. was an American aerospace manufacturer and defense industry company. It was formed in 2015 from the merger of Orbital Sciences Corporation and parts of Alliant Techsystems. Orbital ATK was purchased by Northrop Grumman in 2018.
STEP 0 (Space Test Experiment Platform 0) was a technology demonstration satellite flown under the Space Test Program (STP). DARPASAT (Defense Advanced Research Projects Agency Satellite) was designed to demonstrate advanced technology. Ball Aerospace designed, fabricated, integrated, and tested the spacecraft bus, and integrated two government-supplied payloads.
Low Earth Orbit2 satellites built by the China Aerospace Science and Industry Corporation (CASIC) for testing operations of Very Low Earth Orbit (VLEO) satellites f…
3 Chinese satellites reported to be for "orbital technological testing" purposes. Actual usage not known.
A batch of 28 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
A batch of 29 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Synthetic aperture radar Earth observation satellite for Japanese Earth imaging company iQPS.