~orbitalindex | Issue No. 252 (46)

Astrobotic’s current hypothesis about the Peregrine spacecraft’s propulsion anomaly is that a valve between the helium pressurant and the oxidizer failed to reseal after actuation during initialization. This led to a rush of high-pressure helium that spiked the pressure in the oxidizer tank beyond its operating limit and subsequently ruptured the tank.

is now used by 2.3M users, and later this year will launch a new backpack-size “mini” version of its receiver