Q487990

Also known as (525) Adelaide, Adelaide

main-belt asteroid

Picture of the Day · NASA

Jupiter and Venus from Earth

2026-06-07

It was visible around the world. The sunset conjunction of Jupiter (left) and Venus (right) in 2012 was visible almost no matter where you lived on Earth. Anyone on our planet with a clear western horizon at sunset could see them. That year, a creative photographer traveled away from the town lights of Szubin, Poland to photograph a near closest approach of the two planets. The bright planets were then separated by only three degrees and his daughter struck a humorous pose. A faint red sunset still glowed in the background. Jupiter and Venus are together again this week after sunset, passing within a degree of each other about two days from today.

Key facts

Discovered by: Joel Hastings Metcalf
Discovery site: Taunton, Massachusetts
Discovery date: 21 October 1908
Pronunciation: / ˈ æ d ə l eɪ d /
Alternative designations: 1908 EKa; 1930 FX;, 1937 JG; 1955 SE1;, 1955 UF
Observation arc: 107.13 yr (39129 d)

Article

525 Adelaide is an S-type asteroid belonging to the Flora family in the Main Belt. It was discovered 21 October 1908 by Joel Hastings Metcalf.

Previously, the object A904 EB, discovered 14 March 1904 by Max Wolf, had been named 525 Adelaide but was subsequently lost. When it was rediscovered 3 October 1930 by Sylvain Arend as 1930 TA, it was named 1171 Rusthawelia. Some 28 years passed before the two objects were realized to be the same. 1930 TA retained the name Rusthawelia (and discovery credited to Arend); the name 525 Adelaide was reused for the object 1908 EKa.