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BremSat 1 [ZARM]

BremSat was a 63 kg German microsatellite was built by the University of Bremen's Center of Applied Space Technology and Microgravity (ZARM) under sponsorship of the German Space Agency (DARA).

It was 12-sided, with 48 cm diameter and height of 52 cm, and was injected into orbit (from a GAS canister) from Discovery F18 (STS 60) into a 363 × 344 km orbit, inclined at 56.9.

The mission consisted of three phases: microgravity (on board the Shuttle before ejection into orbit), orbital, and re-entry.

The scientific objectives were to measure heat conductivity, measure residual acceleration forces, estimate the in-orbit on-board microgravity quality, investigate the density distribution and dynamics of micrometeorites and dust particles in low-Earth orbit, map atomic oxygen, measure the exchange of momentum and energy between the molecular flow and the rotating satellite, and measure pressure and temperature during satellite re-entry.

The satellite included a momentum wheel and magnetic coils, a magnetometer, and sun-star sensors. Tracking passes lasted 5-10 minutes and ocurred 5-6 times per day.

The spacecraft re-entered 12 February 1995.

Nation: Germany
Type / Application: Science, atmosphere
Operator: DARA, ZARM
Contractors: ZARM
Configuration: 12-sided prism
Power: Solar cells, batteries
Mass: 63 kg
Orbit: 363 km × 344 km, 56.9
Satellite COSPAR Date LS Launch Vehicle Remarks
BremSat 1 1994-006H 03.02.1994 CCK LC-39A Shuttle with Discovery F18 (STS 60), WSF 1, ODERACS A, B, C, D, E, F


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