1866 Sisyphus

Tags: Planet.

1866 Sisyphus (/ˈsɪsɨfəs/ SIS-i-fəs) is a binary Apollo asteroid which at approximately 9 km in diameter is the largest of the Earth-crossing asteroids.

apoapsis (km)

4.35928e+11, 4.35936e+11

average speed (km/s)

71917.2

orbital period (μ)

8.22609e+07

periapsis (km)

1.30749e+11, 1.30751e+11

absolute magnitude

12.237

albedo

0.16

discovery date

1972-12-05

discoverer

Paul Wild (Swiss astronomer)

epoch

December 1 2005 (JD 2453705.5)

former name

1972 XA

rotation period (s)

8640.0