ICESAT, also known as Icesat, is a satellite with NORAD identification number 27642 and object ID 2003-002A. It was launched on January 13, 2003, from the AFWTR site using the Delta 7320-10 launch vehicle at SLC2W pad. The spacecraft is owned by GSFC and built by BALL, designed for the Laser Altimetry Mission with a payload named EOS Laser ALT-1. Its dimensions include a length of 3.1 meters, diameter of 1.9 meters, span of 6.5 meters, dry mass of 882 kg, and launch mass of 959 kg. The satellite's structure consists of an octagonal cylinder with two panels (Oct Cyl + 2 Pan) with a radar cross section of 3.3439 m². Power is provided by two deployable solar arrays along with batteries.