ASCA (ASTRO-D) was an ISAS X-ray astronomy spacecraft launched on 20 February 1993, carrying X-ray telescopes, SIS CCD cameras, and GIS gas-imaging spectrometers. Scientific observations ceased after loss of attitude control in July 2000; minimal spacecraft operations continued until it reentered and vanished in the atmosphere on 2 March 2001.
ASCA (ASTRO-D) was an ISAS X-ray astronomy spacecraft launched on 20 February 1993, carrying X-ray telescopes, SIS CCD cameras, and GIS gas-imaging spectrometers. Scientific observations ceased after loss of attitude control in July 2000; minimal spacecraft operations continued until it reentered and vanished in the atmosphere on 2 March 2001.