NEUTRON 1 Satellite

Name NEUTRON-1 (Low Earth Orbit Neutron Flux Detection and Cosmos Mission Operations Technology Demo)
Form factor CubeSat
Units or mass 3U
Status Reentry 2022-06-25. Was semi-operational? (Only 15 beacons received after a month which seems very low as of 2020-12-04 and last checked on 2020-12-15. Awake for 4 min and sleep for 320 min, mostly in deep sleep charging mode and waiting for opportunity to send commands.)
Launched 2020-10-03
NORAD ID 46923?
Deployer NRCSD (NanoRacks CubeSat Deployer) [Quad-M]
Launcher Antares (ELaNa 31) (NG-14)
Deployment Deployed from ISS on 2020-11-05
Organisation University of Hawai’i at Mānoa
Institution University
Entity type Academic / Education
Headquarters US
MCS COSMOS (Comprehensive Open-architecture Solution for Mission Operations Systems)

Measure low energy neutron flux in LEO.


Measure low energy neutron flux in the low Earth orbit (LEO) environment. Can contribute to understanding the complex relationship between Earth and Sun through mapping neutron abundances LEO. Will evaluate the variability of galactic cosmic radiation as a function of solar variability.

We will pay attention to unusual neutron abundances in relation to solar flares, solar particle events, and disturbances of the Earthʻs magnetic field. We will also evaluate our neutron data for potential application in space weather characterization and radiation safety. The proposed neutron flux detector design is based on established detection methods, but will be miniaturized to fit within a CubeSat payload envelope. In addition to the science, this first mission can provide flight heritage for further development of CubeSat based neutron detectors.

Sources [1] [2] [3]
Photo sources [1] [2] [3] [4] [5] [6] [7]
COTS subsystems
  • TRANSCEIVER - NearSpace Launch Globalstar
Subsystems sources [1]
Components sources [1]
Keywords Globalstar or Iridium or Inmarsat
On the same launch

Last modified: 2023-11-04

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