GeoLITE was a TRW T-310 class satellite with a mass of about 1800 kg, including a solid apogee motor. The National Reconnaissance Office satellite carried an experimental laser communications payload and an operational UHF data relay payload.

Mass: 1,800 kg (3,900 lb). Associated Launch Vehicle: Delta 7000.

• 2001 May 18 - USA 158 - Launch Site: Cape Canaveral. Launch Vehicle: Delta 7000. Mass: 93 kg (205 lb). Perigee: 179 km (111 mi). Apogee: 35,700 km (22,100 mi). Inclination: 19.50 deg. Period: 629.01 min.

  Military Communications Technology flight. Launch delayed from March 1, April 25, May 2 and 17. GeoLITE, US National Reconnaissance Office spacecraft was into placed by the Delta launch vehicle into a geostationary transfer orbit. GeoLITE was a TRW T-310 class satellite with a mass of about 1800 kg, including a solid apogee motor. The satellite carried an experimental laser communications payload and an operational UHF data relay payload.

• McDowell, Jonathan, Jonathan's Space Report (Internet Newsletter), Harvard University, Weekly, 1989 to Present. Essential internet newsletter recording worldwide weekly space events. Accessed at: http://www.planet4589.org/jsr.html.

• National Space Science Center Planetary Page, As of 19 February 1999.. Accessed at: http://nssdc.gsfc.nasa.gov/planetary/planetary_home.html.