Update: September 7, 9:06 a.m. ET: Mitsubishi Heavy Industries has succeeded in launching the H-IIA rocket, which blasted off yesterday from Tanegashima Space Center, Japan. XRISM appears to be on track, with reports of solar acquisition control, data received from ground stations, and solar array deployment.
https://gizmodo.com/watch-live-as-japan-launches-moon-landing-mission-1850810432