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]

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

Juno orbits at a slightly closer distance to the Sun than Ceres or Pallas. Its orbit is inclined at around 12° to the ecliptic, but has very big eccentricity in its orbit. ^[5]

Juno is in the Juno clump, a group of asteroids that share similar orbits, the biggest asteroid of the Juno clump is (32326) 2000 QO62 being 6 kilometers. ^[6]

References

↑ "JPL Small-Body Database Browser". ssd.jpl.nasa.gov. 2011. Retrieved March 30, 2011.
↑ Schmadel, Lutz D. (2003). Dictionary of minor planet names, Volume 1. Springer. p. 15. ISBN 3540002383. Retrieved March 21, 2011.
↑ "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]}
↑ 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.
↑ Tomaszewski, Paul (2025-08-29). "Discovering the Wonders of Asteroid 3 Juno". CosmoBC. Retrieved 2025-10-11.
↑ (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36 Citoid/WMF (mailto:noc@wikimedia.org)&ssu=&ssv=&ssw=&ssx=eyJyZCI6ImlvcC5vcmciLCJ1em14IjoiN2Y5MDAwZWM2MmJkNzctMDk5ZC00M2Y2LWJmMTgtYWJmMzk0ZjAxNjgyMS0xNzYwMjA2ODQ1MzU0MC1jYWFmN2UwZWZmZTcwMWY0MTAiLCJfX3V6bWYiOiI3ZjkwMDAwNmM3NWNjYy0wNmViLTQ3ZTEtOWNjOC1hM2JjNGVhY2Q3YmYxLTE3NjAyMDY4NDUzNTQwLTAwMWMzM2FmYWFmODJhYTQ3MWUxMCJ9 "Radware Bot Manager Captcha". doi:10.3847/1538-3881/ab4813/pdf#:~:text=modeling%20by%20nesvorn%C4%B1%20(2015)%20has,type%20within%20the%20juno%20family. {{cite journal}}: Check |doi= value (help); Check |url= value (help); Cite journal requires |journal= (help)^{[permanent dead link]}

[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.

[5] Tomaszewski, Paul (2025-08-29). "Discovering the Wonders of Asteroid 3 Juno". CosmoBC. Retrieved 2025-10-11.

[6] (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36 Citoid/WMF (mailto:noc@wikimedia.org)&ssu=&ssv=&ssw=&ssx=eyJyZCI6ImlvcC5vcmciLCJ1em14IjoiN2Y5MDAwZWM2MmJkNzctMDk5ZC00M2Y2LWJmMTgtYWJmMzk0ZjAxNjgyMS0xNzYwMjA2ODQ1MzU0MC1jYWFmN2UwZWZmZTcwMWY0MTAiLCJfX3V6bWYiOiI3ZjkwMDAwNmM3NWNjYy0wNmViLTQ3ZTEtOWNjOC1hM2JjNGVhY2Q3YmYxLTE3NjAyMDY4NDUzNTQwLTAwMWMzM2FmYWFmODJhYTQ3MWUxMCJ9 "Radware Bot Manager Captcha". doi:10.3847/1538-3881/ab4813/pdf#:~:text=modeling%20by%20nesvorn%C4%B1%20(2015)%20has,type%20within%20the%20juno%20family. {{cite journal}}: Check |doi= value (help); Check |url= value (help); Cite journal requires |journal= (help)^{[permanent dead link]}

[1]

[2]

[3]

[4]

[5]

[6]