1178 Irmela

1178 Irmela is a main-belt asteroid that was discovered by Max Wolf on March 13, 1931, and given a provisional designation of 1931 EC. It was named after Irmela Ruska, wife of Ernst Ruska.^[1]

10µ radiometric data collected from Kitt Peak in 1975 gave a diameter estimate of 19 kilometres (12 mi).^[2]

References

↑ 1178 Irmela. Asteroid data at FindTheData.org. Accessed June 2, 2012.
↑ Morrison, D.; Chapman, C. R. (March 1976), "Radiometric diameters for an additional 22 asteroids", Astrophysical Journal, 204, pp. 934–939, Bibcode:2008mgm..conf.2594S, doi:10.1142/9789812834300_0469.

External links

1178 Irmela at the JPL Small-Body Database
- Discovery · Orbit diagram · Orbital elements · Physical parameters

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