The Crater O'Day

Feature Profile & Selenographic Data

Feature type

crater

Coordinates

30.42° S · 157.29° E

Diameter

70.41 km

IAU approval

1970/01/01 00:00:00

LAC quadrangle

LAC-103 · O'Day

Geological Chronicle

O'Day is a prominent lunar impact crater that is located on the far side of the Moon. The formation spans an official diameter of 70.41 kilometers.

It intrudes into the northwestern edge of Mare Ingenii, and the rim is lower on that side. It is recorded in the IAU Gazetteer under quadrangle LAC-103.

Chronology & Exploration

1. IAU Name Adopted

   The International Astronomical Union officially approves the crater name.

Scientific Sources & References

• IAU Gazetteer of Planetary Nomenclature — Marcus; American physicist (1897-1961).
• Wikipedia (en) — O'Day (crater)

Name Origin

Marcus; American physicist (1897-1961).