(283) Emma

Template: Infobox Asteroid / Maintenance / Error 1

( 283 ) Emma is an asteroid of the outer main asteroid belt, which was discovered on February 8, 1889 by Auguste Charlois at Nice Observatory.

Emma has a diameter of 148 kilometers. It has a dark surface with an albedo of 0.026. In approximately 6 hours and 53 minutes to rotate around its own axis.

On 14 July 2003, a team of astronomers of the Mauna Kea Observatory discovered using the Keck II telescope a moon Emma. This satellite, designated S/2003 ( 283 ) 1 was two days later confirmed by staff of the ESO Very Large Telescope. It has a diameter of 12 km and rotates Emma in 3.36 days at a distance of 596 km.

Orbital inclination Longitude of the ascending node Argument of periapsis Orbital speed Intrinsic brightness Mauna Kea Observatories W. M. Keck Observatory List of minor planets
19840
de