Flyby

EQUULEUS

Success Unknown

Milestones

Chronology of Lunar and Planetary ExplorationEQUULEUS (launch)
Why ISAS does EQUULEUS (ISAS document 24, Oct 2023, in Japanese)plasma imager data in May 2023: "full success" of the success criteria (outcome, from Japanese)
Challenges and Operations to Re-Establish Communications With EQUULEUS After Loss of Contact (SmallSat 2024)"After completing its major orbital maneuvers and achieving full mission success" (outcome)
WikidataQ48799430 (identifiers, Wikipedia links)
Completion of the initial operation of the JAXA CubeSat EQUULEUS (26 Nov 2022)lunar fly-by completed as planned; moving on to normal operations towards the Earth-Moon L2 point, no end of mission stated (status, Nov 2022)
Why ISAS does EQUULEUS (ISAS document 24, Oct 2023, in Japanese)no signal since the 18 May 2023 pass; communication not restored, search operations continue (status, Oct 2023, from Japanese)
Challenges and Operations to Re-Establish Communications With EQUULEUS After Loss of Contact (SmallSat 2024)"communication with EQUULEUS was lost in 18th May 2023"; operations to re-establish it (status, 2024)

Checked on 2026-10-04