Accession Number : ADA300272

Title :   Bimodal Satellite Mission Study.

Descriptive Note : Final rept. Mar 92-Sep 93,

Corporate Author : PHILLIPS LAB KIRTLAND AFB NM

Personal Author(s) : Kennedy, Fred ; Vanek, Vlad

PDF Url : ADA300272

Report Date : SEP 1993

Pagination or Media Count : 70

Abstract : While space system launch and operational costs continue to rise, funding levels for research and procurement are declining drastically. Placing a satellite in geosynchronous earth orbit (GEO) can cost as much as $77,OOO/kg of payload. Military systems such as MlLSTAR, a jam-resistant secure communications satellite, are being examined for redesign in order to place them on smaller, less expensive launch vehicles. Such a stepdown (e.g. from a Titan IV to an Atlas booster) decreases payload capability but lowers launch costs. The decrease in cost can be significant: MlLSTAR'S baseline launcher, Titan IV/Centaur, is estimate to cost as much as $400M. Moving the payload onto a Titan III or Atlas IIAS could save $250M or more.

Descriptors :   *COMMUNICATION SATELLITES, *SPACECRAFT TRAJECTORIES, *BOOSTER ROCKET ENGINES, *LAUNCH VEHICLES, PAYLOAD, EARTH ORBITS, SPACE SYSTEMS, COSTS, DUAL MODE, ANTIJAMMING, SECURE COMMUNICATIONS, SYNCHRONOUS SATELLITES, SPACE PROPULSION.

Subject Categories : Unmanned Spacecraft
      Spacecraft Trajectories and Reentry

Distribution Statement : APPROVED FOR PUBLIC RELEASE