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3 Juno

**3 Juno**
Orbital characteristics
Orbit type	Main belt
Semimajor axis	2.669 AU
Eccentricity	0.2579
Orbital period	4.36 years
Inclination	12.97°
Physical characteristics
Diameter	240 km
Mass	2.0×10¹⁹ kg
Density	? g/cm³
Rotation period	7h 12m
Spectral class	S[?]
Albedo	0.16
History
Discoverer	K. Harding[?], 1804

3 Juno was the third asteroid to be discovered, in 1804 by K. Harding.

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