Techsat 21 To explore the technologies required to enable a distributed satellite System Sparse Aperture Space Based Radar Full operational system of 35 clusters of 8 satellites to provide global coverage 2003 Flight experiment with 3 spacecraft Techsat 21 Flight Experiment Spacecraft will be equipped with Hall Thrusters Number of Spacecraft 3 Spacecraft Mass :1294kg 2 large thrusters for orbit raising and de-orbit Cluster Size :500m 10 micro-thrusters for full three. Orbital Altitude :600km axis control Orbital Period 84 mins Figure courtesy of AFOSR Techsat21 Geo-ocation size Research Review(29 Feb-1 Mar 2000 5000m Space Systems Laboratory Massachusetts Institute of TechnologySpace Systems Laboratory Massachusetts Institute of Technology Techsat Techsat 21 • To explore the technologies required to enable a Distributed Satellite System • Sparse Aperture Space Based Radar • Full operational system of 35 clusters of 8 satellites to provide global coverage • 2003 Flight experiment with 3 spacecraft • Spacecraft will be equipped with Hall Thrusters Techsat 21 Flight Experiment Number of Spacecraft : 3 Spacecraft Mass : 129.4 kg Cluster Size : 500 m Orbital Altitude : 600 km Orbital Period : 84 mins – 2 large thrusters for orbit raising and de-orbit – 10 micro-thrusters for full three￾axis control * Figure courtesy of AFOSR Techsat21 Geo-location size : 5000 m Research Review (29 Feb - 1 Mar 2000)