Vertregt (crater)

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Vertregt
Vertregt crater 2033 med.jpg
Coordinates 19°18′S171°07′E / 19.30°S 171.12°E / -19.30; 171.12
Diameter 172.76 km (107.35 mi)
Depth Unknown
Colongitude 189° at sunrise
Eponym Marinus Vertregt
Image from Apollo 17 at low sun angle Vertregt crater AS17-M-1386.jpg
Image from Apollo 17 at low sun angle

Vertregt is the ancient remnant of a large lunar impact crater. It is located on the far side of the Moon, to the north of the unusual walled plain Van de Graaff. The prominent crater Aitken lies across the northeast rim of Vertregt, and Zwicky is attached to the northwestern rim.

Vertregt has been heavily eroded and reshaped by subsequent events, leaving only a few segments of the outer rim still visible. The northwestern section of the rim is the most intact portion, although even this arcing ridge is marked by small craterlets.

The interior consists of rugged ridges and smaller impacts, most prominently the crater pair of Vertregt L and Vertregt K in the southeast. There is a wide rift leading from the southern end of the crater floor towards Van de Graaff.

Vertregt was named by the IAU in 1979 after Dutch chemist Marinus Vertregt. [1] Vertregt was known as Crater 369 prior to naming. [2]

Satellite craters

By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Vertregt.

VertregtLatitudeLongitudeDiameter
J21.5° S174.3° E17 km
K20.1° S172.0° E27 km
L21.1° S171.5° E38 km
P23.6° S170.0° E24 km
R21.8° S167.1° E25 km

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References

  1. Vertregt, Gazetteer of Planetary Nomenclature, International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN)
  2. Lunar Farside Chart (LFC-1A)