Please cite reliable and peer reviewed sources, that are not your brain. Unsourced material may be removed or deleted.
Juno is the third asteroid ever discovered, and one of the twenty largest asteroids and one of the two largest stony (S-type) asteroids, along with 15 Eunomia. It is estimated to contain 1% of the total mass of the asteroid belt, yet only has 3% of Ceres' mass.
History[]
Juno was most likely formed 4.6-4.2 billion years ago from the previously existing gas cloud that existed around Sol.
On September 1, 1804, the German astronomer Karl Ludwig Harding discovered Juno. The object was initially thought to be a planet but was declassified to a minor planet/asteroid in the 1850s, as more and more asteroid belt asteroids were discovered.
Naming[]
This asteroid/minor planet is named after the Roman goddess Juno, the partner of Jupiter according to Roman mythology.
Trivia[]
- On October 30, 2031, Juno will be greatly visible with decent telescopes.
Gallery[]
| Minor Planets Navigator | |
|---|---|
| 2 Pallas ← 3 Juno → 4 Vesta | |
| Large Asteroids over 200 km in diameter | |
|---|---|
| 900+ km | Ceres |
| 500-600 km | Vesta • Pallas |
| 300-500 km | Hygiea • Interamnia • Europa |
| 200-300 km | Davida • Euphrosyne • (S/2019 (31) 1) • Patientia • Sylvia • (Remus • Romulus) • Juno • Cybele • Eumonia • Thisbe • Psyche • Hektor • (Skamandrios) • Bamberga • Doris • Ursula • Camilla • (S/2001 (107) 1 • S/2016 (107) 1) • Aurora • Daphne • (Peneius) • Egeria • Eugenia • (Petit-Prince • S/2004 (45) 1) • Fortuna • Iris |