|Discovery date 22 June 1925|
Observation arc 39937 days (109.34 yr)
Named after Howard Grubb
Discovery site Simeiz Observatory
|Alternative names 1925 MA|
Discovered 22 June 1925
Discoverer Grigory Shajn
Asteroid family Flora family
Asteroid group Asteroid belt
|Discovered by Grigory Abramovich Shajn|
Aphelion 2.60783 AU (390.126 Gm)
Perihelion 1.7851502 AU (267.05467 Gm)
1058 Grubba (provisional designation: 1925 MA) is a minor planet orbiting the Sun. It is a member of the Augusta family.
Grubba was discovered on June 22, 1925, by Grigory Abramovich Shajn at the Simeiz Observatory in Crimea, Ukraine (Crimean Peninsula was part of the Russian Soviet Federative Socialist Republic at the time). It named after Sir Howard Grubb, who manufactured one of the telescopes at the observatory.