Helmert (moon crater)
Helmert | ||
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Helmert (top right) and surroundings ( LROC -WAC) | ||
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position | 7.67 ° S , 87.62 ° O | |
diameter | 28 km | |
Card sheet | 81 (PDF) | |
Named after | Friedrich Robert Helmert (1843–1917) | |
Named since | 1973 | |
Unless otherwise stated, the information comes from the entry in the IAU / USGS database |
Helmert is an impact crater on the eastern edge of the front of the moon on the southern edge of Mare Smythii , east of the Kiess crater and south of Warner . The crater is very flat, since the interior of the lava the Mare was flooded.
The crater was officially named by the IAU in 1973 after the German geodesist and mathematician Friedrich Robert Helmert .