Spacecraft
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Spacecraft labelled as per key below. |
| 1 | Anticoincidence Counter | 8 | Sun and Earth Albedo Sensors (Attitude Measurement) |
| 2 | Spark Chamber | 9 | Spin Thruster |
| 3 | Triggering Telescope | 10 | Precession Thruster (Attitude Control) |
| 4 | Energy Calorimeter | 11 | Nitrogen Tank (Attitude Control) |
| 5 | Pulsar Synchronizer | 12 | Neon Tank (Gas Flushing, Spark Chamber) |
| 6 | Structure | 13 | Solar Array |
| 7 | Superinsulation | 14 | Electronics |
Cos-B was configured as a cylinder 1.40 m in diameter and 1.13 m long, with the main experiment package occupying the central region. The total mass at launch was 278 kg, of which the experiment was 118 kg.
Last Update: 1 September 2019