NASA and ESA pick ‘eccentric’ halo orbit for future Gateway outpost

Officials with NASA and the European Space Agency (ESA) have settled on which orbit will be used for the future lunar Gateway outpost, the agencies have announced. After considering different orbit options, scientists have settled on the near-rectilinear halo orbit (NRHO), which is described as an ‘eccentric’ route around the Moon, one that brings it close to the lunar surface … Continue reading