Off-axis dependence of the different detector geometries. The blue shaded range corresponds to the minimum-maximum range according to azimuth angle for the cube detector. Beyond 90° the cube detector offers continued effective area, but shadowing by the satellite bus leads to a rapid drop. The green shaded area corresponds to equal-size detectors on two neighboring sides, with the top boundary corresponding to 45° view onto both, and the lower to 90° on only one of the two detectors.