Skip to main content

Table 1 Summary of important orbital and global properties. The orbital data are taken from JPL’s SSD website (NASA’s Jet Propulsion Laboratory Solar Systems Dynamics Group - HORIZONS at http://ssd.jpl.nasa.gov/). Rotation period is from numerous references (Kim et al. 2013; Müller et al. 2017; Perna et al. 2017)

From: Asteroid Ryugu before the Hayabusa2 encounter

Eccentricity 0.190225753 ± 4.1 × 10-8
Semi-major axis (AU) 1.1896008220 ± 3.3 × 10-9
Inclination (°) 5.8837424 ± 4.0 × 10-6
Period (day) 473.9148422 ± 2.0 × 10-6
Perihelion (AU) 0.963308109 ± 4.8 × 10-8
Aphelion (AU) 1.4158935346 ± 4.0 × 10-9
Rotation period (h) 7.625 ± 0.003