page_title: Herigonius (crater)
hierarchical_section_title: Herigonius (crater)
caption_attribution_description: English: Herigonius, on the moon.
context_page_description: Herigonius is a small lunar impact crater that is located in the southern part of the Oceanus Procellarum, to the northeast of the crater Gassendi. It was named after French mathematician and astronomer Pierre Hérigone. Herigonius is roughly circular, with an inward bulge and narrower inner wall along the northeast. In the interior of the sloping inner walls is a floor about half the diameter of the crater.
  About 60 kilometers to the west of Herigonius is a sinuous rille designated Rimae Herigonius. This cleft is about 100 kilometers in length and runs generally in a north-south direction, while curving to the east at the north end.
  Two mountains within a highland mass informally called "The Helmet" are informally named Herigonius Eta and Herigonius Pi. Eta is the larger mountain on the northern edge of the Helmet, and Pi is along the southwest edge. North and northwest of the crater is the wrinkle ridge Dorsa Ewing, which also contacts Rimae Herigonius.
context_section_description: Herigonius is a small lunar impact crater that is located in the southern part of the Oceanus Procellarum, to the northeast of the crater Gassendi. It was named after French mathematician and astronomer Pierre Hérigone. Herigonius is roughly circular, with an inward bulge and narrower inner wall along the northeast. In the interior of the sloping inner walls is a floor about half the diameter of the crater.
  About 60 kilometers to the west of Herigonius is a sinuous rille designated Rimae Herigonius. This cleft is about 100 kilometers in length and runs generally in a north-south direction, while curving to the east at the north end.
  Two mountains within a highland mass informally called "The Helmet" (by the Apollo 16 crew) are informally named Herigonius Eta (η) and Herigonius Pi (π).  Eta is the larger mountain on the northern edge of the Helmet, and Pi is along the southwest edge. North and northwest of the crater is the wrinkle ridge Dorsa Ewing, which also contacts Rimae Herigonius.
caption: Apollo 16 Mapping camera image
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