The Crater Idel'son

Feature Profile & Selenographic Data

Feature type

crater

Coordinates

81.35° S · 112.69° E

Diameter

59.82 km

IAU approval

1970/01/01 00:00:00

LAC quadrangle

LAC-144 · Amundsen

Geological Chronicle

Idelʹson is a lunar impact crater that is located on the far side of the Moon. The formation spans an official diameter of 59.82 kilometers.

It lies just behind the southern lunar limb, in a region that is sometimes brought into view of the Earth due to libration. It is recorded in the IAU Gazetteer under quadrangle LAC-144.

Chronology & Exploration

1. IAU Name Adopted

   The International Astronomical Union officially approves the crater name.

Scientific Sources & References

• IAU Gazetteer of Planetary Nomenclature — Naum Ilich; Soviet astronomer (1885-1951).
• Wikipedia (en) — Idelʹson (crater)

Name Origin

Naum Ilich; Soviet astronomer (1885-1951).