771 Libera
Asteroid
771 Libera, provisional designation 1913 TO, is a metallic asteroid from the middle region of the asteroid belt, about 29 kilometers in diameter. It was discovered by Austrian astronomer Joseph Rheden at the Vienna Observatory in Austria, on 21... Wikipedia
Orbital period (sidereal): 4.32 yr (1576.9 d)
Synodic rotation period: 5.892±0.002 h; 5.92 h; 5.886±0.001 h; 5.89±0.05 h; 5.890±0.001 h; 5.892 h (0.2455 d)