Discovery
Discovery date3 September 1902
Designations
MPC designation(491) Carina
Alternative designations1902 JQ
Orbital characteristics
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc113.62 yr (41501 d)
Aphelion3.4709 AU (519.24 Gm) Perihelion2.9118 AU (435.60 Gm)
Semi-major axis3.1914 AU (477.43 Gm)
Eccentricity0.087591
Orbital period (sidereal)5.70 yr (2082.4 d) Mean motion0° 10m 22.368s / day
Inclination18.863°
Longitude of ascending node175.423°
Argument of perihelion233.431°
Physical characteristics
Mean diameter91.176±0.469 km Mass(1.353 ± 0.769/0.297)×1018 kg
Mean density3.408 ± 1.937/0.749 g/cm3
Synodic rotation period15.153 h (0.6314 d) Geometric albedo0.0743±0.006
Absolute magnitude (H)9.0