Planetary body
- Name
- Ryugu
- Secondary names
- (162173), 1999 JU3
- Discovery date
- 10 May 1999
- Discoverer
- LINEAR project
- Family
- asteroid
- Dynamic family
- near-Earth asteroid
- Physical type
- rocky
- Spectral group
- C
- Spectral type
- C
- Comments
- Apollo asteroid family. Visited by the sample-return mission Hayabusa2 (JAXA)
- Periapsis
- 144410000.0 km
- Apoapsis
- 211820000.0 km
- Semimajor axis
- 177960000.0 km (1.19 AU)
- Eccentricity
- 0.19027
- Inclination to ecliptic
- 5.884°
- Period
- 473.86 days
- Period
- 0.3178 days
- Mean radius
- 0.448 km
- Mass
- 450000000000.0 kg (0.001 Earth mass)
- Mean density
- 1.19 g/cm3
Surface
- Gravity
- 0.00012 m/s2
- Geometric albedo (Vis)
- 0.045