CXBN-2

Cosmic X-ray Background Nanosatellite-2 (CXBN-2 or CXBN 2) was a satellite and mission developed by the Morehead State University to follow up on the CXBN mission launched in 2012. It was an improved version of the previous spacecraft and it increased the precision of measurements of the cosmic X-ray background in the 30-50 keV range and helped to improve understanding of the early universe.

Cosmic X-ray Background Nanosatellite-2
Deployment of CXBN-2 with IceCube
Mission typeX-ray astronomy
OperatorMorehead State University
COSPAR ID1998-067LM
SATCAT no.42704
WebsiteCXBN-2
Mission durationApril 18, 2017 – March 1, 2019 (2017-04-18 2019-03-01)
Spacecraft properties
SpacecraftCXBN-2
Spacecraft type2U CubeSat
ManufacturerMorehead State University
Dry mass2.8kg
Dimensions10 x 10 x 20 cm
Power15W
Start of mission
Launch dateApril 18, 2017 (2017-04-18)
RocketULA Atlas-5 401
Launch siteCape Canaveral Space Launch Complex 41
ContractorUnited Launch Alliance via ELaNa
Deployed fromInternational Space Station
Deployment dateMay 16, 2017 (2017-05-16)
End of mission
DisposalRe-entry
Last contactMarch 1, 2019 (2019-03-01)
Decay dateMarch 1, 2019 (2019-03-01)
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Altitude~400 kilometres (250 mi)
Inclination51.6°
Transponders
BandUHF, S band
Instruments
Cadmium Zinc Telluride (CZT) detector, magnetometer
 
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