X-RAY SATELLITES SATELLITES & SPACE PROBES A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z           HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site Granat An orbiting Russian X-ray and gamma-ray observatory for studying the sky in the energy range 2 keV-100 MeV; “Granat” is Russian for “garnet.” After an initial period of pointed observations, Granat went into survey mode in September 1994 and continued operating until November 1998. The mission was carried out in collaboration with scientists from France, Denmark, and Bulgaria. Launch date Dec. 1, 1989 Launch vehicle Proton Launch site Baikonur Orbit 53,697 × 149,862 km × 86.6° Mass 3,200 kg Related entry    • X-ray satellites Related category    • SATELLITES AND SPACE PROBES Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP