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Titel |
Site Selection and Automatically Calculated Rover Traverse for a Lunar Teleoperated Landing Mission |
VerfasserIn |
Oscar Kamps, Bernard Foing, Jessica Flahaut |
Konferenz |
EGU General Assembly 2016
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Medientyp |
Artikel
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Sprache |
en
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Digitales Dokument |
PDF |
Erschienen |
In: GRA - Volume 18 (2016) |
Datensatznummer |
250134888
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Publikation (Nr.) |
EGU/EGU2016-15661.pdf |
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Zusammenfassung |
With the recent interest for the Moon, and the plans from the ESA side to do a tele-operated
mission from Earth or lunar orbit, it is important to target a well-defined location. One of the
major topics to study on the Moon is the existence and availability of volatiles and ices.
Because no lander ever visited one of the poles on the Moon the theories with respect to water
ice are only based on data from orbiters.
In a four month research project the data from the orbiters was used for assessing potential
landing sites and a rover traverse planning. Mainly data from the Prospector and LRO were
used to select regions of interest. The prior selection was based on slope, temperature and a
geological map from the USGS.
Three sites on both the North as South Pole were used to test a proposed method for rover
traverse planning. Besides the scientific interest, the sites where assessed on its accessibility
for landing and roving. This assessment was done based on some assumptions what would be
possible for landing and roving. For landing sites it was proposed to pick a site larger than
1km in diameter, in a (partial) illuminated area with a slope lower than 5o, which was inside
an area which would be accessible for a rover. The requirements to be selected as accessible
area was a slope lower than 20o, the largest polygon which meets this requirement was
chosen as accessible area. As destination a site in the PSR was selected which was
inside the accessible area and had extremely low temperatures. The boundary for
extremely low was defined as 54K which is the sublimation temperature of CO2 in lunar
atmospheric pressure. As additional target for the rover a site was selected where
the temperature difference would be more than 150K to study volatile migration
processes.
A combination of tools in ArcGIS were used to do the site selection and rover traverse
planning. In the end Rozhdestvensky and Amundsen were selected as most accessible and
interesting. After comparing both regions, Amundsen was preferred because of the
higher temperature variations and the flatter crater floor. The traverse was planned
after a manual selection of landing site, site of interest and destination, which were
together with a slope map the input for an automatically calculated traverse. Some
additional work is proposed with respect to the site selection. More datasets can be
used to complicate the traverse or select other regions than Rozhdestvensky or
Amundsen. |
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