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RBLE (Radiation Belt Loss Experiment) is a 6U CubeSat mission developed by NASA's Goddard Space Flight Center for space weather and heliophysics research.

The RBLE Mission is to fill a critical gap for Radiation Belt Storm Probes (RBSP) mission science by providing radial cuts to quantitatively constrain global energetic particle loss. The dynamic variability in the flux of relativistic particles in the radiation belts results from a delicate balance between particle acceleration, transport and loss.

RBLE leverages a new class of CubeSat platforms and develops instrumentation compatible to it. The payload consists of a compact relativistic electron proton telescope and a visible light photometer.

It was selected in 2012 by NASA to be launched as part of the ELaNa program.

Nation: USA
Type / Application: Magnetospheric Research
Operator: NASA Goddard Space Flight Center, SwRI
Contractors: NASA Goddard Space Flight Center
Equipment: compact relativistic electron proton telescope, visible light photometer
Configuration: CubeSat (6U)
Propulsion: None
Power: Solar cells, batteries
Mass: 6 kg ?
Orbit: 400 km 400 km, 51.6 (typical)
Satellite COSPAR Date LS Launch Vehicle Remarks
RBLE - 2017 CCK LC-39A Falcon-9 v1.2 with Dragon CRS-12, CREAM, Kestrel Eye 2M, Kestrel Eye 2MDellingr, ASTERIA, LAICE, OSIRIS-3U, HARP, OPEN, Overview 1A