3 Juno

3 Juno (symbol: ⚵) is a main belt asteroid discovered by Karl Ludwig Harding on September 1, 1804.[1] Juno was the third asteroid discovered in the Solar System and is named after Juno, the Roman goddess that is the queen of all gods.[2]

Size comparison: the first 10 asteroids discovered, profiled against Earth's Moon. Juno is third from the left.
June as seen by 100-inch Hooker telescope at Mt. Wilson Observatory in four wavelength bands

Juno is an S-type asteroid,[3] and is estimated to contain 1% of the total mass of the asteroid belt.[4]

References
  1. "JPL Small-Body Database Browser". ssd.jpl.nasa.gov. 2011. Retrieved March 30, 2011.
  2. Schmadel, Lutz D. (2003). Dictionary of minor planet names, Volume 1. Springer. p. 15. ISBN 3540002383. Retrieved March 21, 2011.
  3. "Multispectral analysis of Asteroid 3 Juno taken with the 100-inch telescope at Mount Wilson Observatory" (PDF). University of North Dakota. Retrieved March 29, 2011.
  4. Pitjeva, E. V. (2005). "High-Precision Ephemerides of Planets—EPM and Determination of Some Astronomical Constants" (PDF). Solar System Research. 39 (3): 176–186. doi:10.1007/s11208-005-0033-2. S2CID 120467483. Archived from the original (PDF) on 2012-09-07. Retrieved 2011-03-31.
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