2090 Mizuho

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Discovery and designation
Discovered by T. Urata
Discovery site Yakiimo Station
Discovery date March 12, 1978
MPC designation 2090
1978 EA
Orbital characteristics
Epoch May 14, 2008
Aphelion 3.4872065
Perihelion 2.6566743
Eccentricity 0.1351804
Inclination 11.79847
Physical characteristics

2090 Mizuho (1978 EA) is a main-belt asteroid discovered on March 12, 1978 by T. Urata at Yakiimo Station. It was the first asteroid in over 50 years to be discovered by a non-professional astronomer, which set off a wave of interest in amateur asteroid discovery, especially in Japan.[1]

External links[edit]

  1. ^ Authors: Kosai, H., Urata, T., & Nakamura, T. "Activities of Asteroid Studies by Amateur Astronomers in Japan". Astronomical Society of the Pacific Conference Series. Astronomical Society of the Pacific Conference Series. Seventy-five (75) years of Hirayama asteroid families: The role of collisions in the solar system history 63 (Sagamihara near Tokyo, Japan; San Francisco). Bibcode:1994ASPC...63..297K. Retrieved February 16, 2010.