17 Thetis
Asteroid
Thetis, minor planet designation 17 Thetis, is a stony asteroid from the inner regions of the asteroid belt, approximately 90 kilometers in diameter. Wikipedia
Discovered: April 17, 1852
Spectral type: S-type asteroid
Average orbital speed: 18.87 km/s
Discovered by: R. Luther
Mean motion: 0° 15m 13.32s / day
Minor planet category: main-belt · (inner)
Named after: Thetis (Greek mythology)