NationMaster - Encyclopedia: 1685 Toro

Toro (1948 OA) is the asteroid with the number 1685. Toro was discovered by Wirtanen in 1948 and orbits the sun in an orbit with a 8:5 resonance of earth's orbit. It is falsely called the second moon of earth. Carl Alvar Wirtanen (1910 – 1990) was an American astronomer who worked at Lick Observatory. ... 1948 is a leap year starting on Thursday (link will take you to calendar). ...

It was one of the first Apollo asteroids to be discovered. It is named after the maiden name of Samuel Herrick's wife The Apollo asteroids are a group of near-Earth asteroids named after 1862 Apollo, the first asteroid of this group to be discovered. ...

Categories: Astronomy stubs

Results from FactBites:

Radar Observations of 1685 Toro (272 words)
	We report results of 13-cm-wavelength radar observations of 1685 Toro conducted in July 1980 at the Arecibo Observatory.
	The ratio of Toro's longest to shortest equatorial widths is between 1.4 and 2.2.
	Modeling Toro as a homogeneously scattering ellipsoid yields weighted-least-squares estimates for the lengths of the equatorial semiaxes: a = 2.60 +/-.0.10 km and b = 1.68 +/- 0.17 km, and a nearly Lambertian scattering law.

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