3 Juno

June as seen by 100-inch Hooker telescope at Mt. Wilson Observatory in four wavelength bands

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.

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.[permanent dead link]
  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.