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Discovery
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| Discovered by | Grigory Abramovich Shajn |
| Discovery date | June 22, 1925 |
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Designations
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| Named after | Howard Grubb |
| Alternate name(s) | 1925 MA |
| Epoch JD 2445600.5 | |
| Perihelion | 1.7844082 AU |
| Eccentricity | 0.1876338 |
| Inclination | 3.6907431° |
| Longitude of ascending node | 221.4428987 |
| Argument of perihelion | 93.7062988 |
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Physical characteristics
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| Dimensions | 14 km |
| Albedo | 0.15 |
| Absolute magnitude (H) | 11.98 |
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.[1]
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