NASA Moon Orbiter Awaiting New Launch Window as CLPS Providers Race to Achieve Moon Landings
While CAPSTONE is fueled and integrated with Photon spacecraft bus within Electron fairing at Rocket Lab Launch Complex 1 on Māhia NZ, new mission schedule is pending per NASA PAO; When launched Capstone to travel 1,549,798km from Earth before settling into NRHO; Astrobotic and Intuitive Machines working to land by EOY; Image of BE-4 flight engine shared by ULA CEO raises hopes for Vulcan Centaur readiness but 2022 integration / launch of Peregrine doubtful; IM welcomes Lunar Flashlight cubesat as co-payload on Falcon 9 launch nominally set for 22 Dec
Power and Propulsion Element of Lunar Gateway under development by Maxar to utilize 6 and 12kW Hall-effect ion thruster systems built by Busek and Aerojet Rocketdyne with Moog xenon propellant feeder and Maxar power processing unit; Current testing regimen comes after initial testing phase finds both systems ‘capable of performing across the full mission power range’; SEP to keep Gateway on efficient NRHO during 15-year mission after Q4 2024 launch via SpaceX Falcon Heavy; Tiangong space station is only human-rated ion-powered spacecraft
NASA now targeting 6-22 June window for inaugural Artemis-era CAPSTONE launch to validate unique orbit around Moon, holding 
50 objectives of deep space exploration across 4 categories (Transportation / Habitation, Lunar / Martian Infrastructure, Operations, Science) delineated in 
Lunar cooperation to be topic of President Biden meeting with Japan Prime Minister Fumio Kishida on 22-23 May stop of Asia tour, with Kyodo News of Toyko reporting a joint statement on Japan Astronaut participation in Artemis landings and plan outlining broad space cooperation to be released during summit; Commercial enterprise ispace and space agency JAXA planning robotic Moon landings HAKUTO-R and SLIM in late 2022 / 2023; 4th nation to launch a satellite, ISS partner nation Japan hopes to be 2nd nation with citizen on Moon
