The KOMPSAT 1 (Korean Multi-purpose Satellite 1) Earth observation satellite was developed jointly by KARI and TRW. ACRIMSat (Active Cavity Radiometric Irradiance Monitor Satellite) was a satellite to ascertain the extent of solar radiation variability.
Sun-Synchronous OrbitSACI 2 (Satélite Científico 2) is a 60 kg scientific satellite (Scientific Applications Satellite) launched on the 11th December 1999 on the second flight of the Brazilian VLS-1. Failure of the launcher second stage prevented it from reaching orbit.
Low Earth OrbitThe Helios program is Europe's military optical reconnaissance system consisting of both a space and a ground segment, which commenced service in 1995, jointly funded by the French, Italian and Spanish governments. The Helios I optical observation satellites, launched in July 1995 and December 1999 respectively, can acquire high resolution images of any point on the globe, with daily revisit capability. Helios-1B had suffered a breakdown of its power supply system in October 2004 and could no longer perform any work after operating for just under its 5-year nominal life expectancy.
Polar OrbitThe U.S. Navy began replacing and upgrading its ultra-high frequency (UHF) satellite communications network during the 1990s with a constellation of customized satellites built by Hughes Space and Communications Company. Known as the UFO (Ultra High Frequency Follow On) series, these HS-601 model satellites support the Navy's global communications network, serving ships at sea and a variety of other U.S. military fixed and mobile terminals.
Geostationary OrbitThe Globalstar global mobile communications network offers global, digital real time voice, data and fax via a constellation of 48 minisatellites. The constellation operates in a 1410 km orbit inclined at 52 degrees, and will also have 8 spares. The satellites were built by Space Systems Loral and Alenia Aerospazio in Rome, Italy.
Low Earth Orbit