Template: Infobox Asteroid / Maintenance / Error 1
(17 ) Thetis is an asteroid of the main asteroid belt. It was discovered as an asteroid seventeenth of Karl Theodor Robert Luther at the observatory Dusseldorf on 17 April 1852.
It was named after celestial bodies Thetis, a sea nymph in Greek mythology.
Thetis is between 2.1 AU and 2.8 AU in 3.9 years of the sun. The orbit is inclined 5.6 ° to the ecliptic, the orbital eccentricity is 0.13.
Thetis has a diameter of 90 km. It has a bright silicate- rich surface with a geometric albedo of 0.17. At 12.266 hours it rotates around its own axis.