An artist’s rendering of NASA’s Arcstone instrument
on-orbit gathering measurements of lunar reflectance.
Commissioning has been completed for
NASA’s Arcstone instrument and the bus. Themain structure of the satellite, or
bus, and instrument testing began shortly after launching from Vandenberg Space
Force Base in California July 23 on a SpaceX Transporter-14 rideshare
mission.
On Aug. 13, the Arcstone spectrometer,
the first instrument dedicated to improving the accuracy of lunar reflectance
measurements from space, began gathering validated lunar and solar spectral
measurements, beginning the active portion of the mission. The measurements of
sunlight reflected off the Moon can be used to fine-tune spacecraft instruments
by calibrating sensors on-orbit.
This agency technology demonstration has
the potential to improve the quality of data from Earth-viewing sensors in
orbit by showing that a high-accuracy, universal calibration standard of lunar
reflectance can be created and used across the international scientific
community and commercial space industry.
“A highly detailed calibration of lunar
reflectance can improve the quality of spaceborne sensor data and result in
lower complexity of mission hardware by eliminating the need for on-board
calibration sensors,” said Constantine Lukashin, principal investigator for the
Arcstone mission and physical scientist at NASA’s Langley Research Center in
Hampton, Virginia. “The Moon can be the preferred reference to fine-tune
satellite instruments. Arcstone’s measurements are intended to allow faster
detection of data trends, lower costs, and significantly increase data
quality.”
The Arcstone technology demonstration
project is funded by NASA’s Earth Science Technology Office’s In-space
Validation of Earth Science Technologies. Arcstone is led by NASA Langley in
partnership with Colorado University Boulder’s Laboratory for Atmospheric and
Space Physics, USGS, NASA’s Goddard Space Flight Center in Greenbelt,
Maryland, Resonon Inc., Blue Canyon Technologies, and Quartus Engineering.
To learn more about Arcstone visit: https://science.nasa.gov/mission/arcstone/
Source: NASA’s Arcstone Satellite and Instrument Fully Commissioned - NASA
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