Mare Nectaris

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Nectaris Basin

(unofficial name; IAU feature name for central 333 km of mare: Mare Nectaris)

Lat: 15.2°S, Long: 35.5°E, Diam: 333 km, Depth: km, Rükl: 58

external image normal_MareNectaris070327%200103em.jpgexternal image normal_Nectaris_Basin_LIDAR_LTVT.JPG
Left: Howard Eskildsen.
Right: Clementine, Clementine LIDAR Altimeter texture from PDS Map-a-Planet remapped to north-up aerial view by LTVT. The dot is the center position and the white circle the main ring position from Chuck Wood's Impact Basin Database. Grid spacing = 10 degrees.


LPOD Photo Gallery Lunar Orbiter Images Apollo Images
AS08-13-2243; which is an orbital Hasselblad photograph made during the first manned mission of Project Apollo (Apollo 8 in december 1968), shows the sunrise terminator over the western part of Mare Nectaris, with the ruined crater Daguerre in the foreground (looking southward).
Apollo 11's orbital photographs AS11-42-6235, AS11-42-6236, AS11-42-6237, and AS11-42-6241 show the same area of Mare Nectaris as depicted in Apollo 8's low-sun orbital view in AS08-13-2243.
Research orbital Hasselblads: Danny Caes.


(LAC zone 79D3) LAC map Geologic map

Basin Classification

(description of terms and most numeric basin data from Wood, C.A. (2004) Impact Basin Database)
Certainty of Existence
Wilhelms Age Group
Ring Diameters
Mare Thickness
240, 400, 620, 860, 1320 km
0.8-1.2 km
Yes; +70 mG gravity anomaly


Description: Elger

(IAU Directions) The Mare Nectaris, again, in the south-eastern quadrant, presents some fine examples of concentric ridges, which are seen to the best advantage when the morning sun is rising on Rosse, a prominent crater north of Fracastorius. This "sea" is evidently concave in cross-section, the central portion being considerably lower than the margin, and these ridges appear to mark the successive stages of the change of level from the coast-line to the centre. They suggest the "caving in" of the surface, similar to that observed on a frozen pond or river, where the "cat's ice" at the edge, through the sinking of the water beneath, is rent and tilted to a greater or less degree.

Description: Wikipedia:

Mare Nectaris

Additional Information


The IAU feature name means "Sea of Nectar".
  • The impact basin is named after the mare.

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