Orbital Data and Parent Star Data for: 55cancri_ b

quantity unit value 1-sigma uncertainty
Period days 14.6531000 0.0006000
Time of periastron HJD 2450002.6851700 0.0100000
Orbital eccentricity none 0.061 0.020
Argument of perihelion deg 129.900 35.000
Velocity half-amplitude m s^-1 71.100 1.000
M*sin(i) M_Jup 0.826 ---
Stellar mass M_Sun 0.95 ---
Stellar T_eff Kelvin 5250 ---
Planetary T_eff Kelvin 674 ---
Stellar Radius R_Sun 0.950 ---
Predicted Planetary Radius (w/o core) R_Jupiter 1.098 ---
T_circ (w/o core) Gyr 72.685 ---
T_damp (w/o core) Gyr ****** ---


Planet radii from theoretical models of:
Bodenheimer, Laughlin, and Lin 2003, Astrophysical Journal, v. 592, 555-563.

Damping timescales from:
Adams and Laughlin 2006, ApJ : link