Subject: MAJOR BODY #502 (1/1) From: Horizons Ephemeris System Date: Fri, 24 Sep 2004 13:02:34 -0700 (PDT) Automated mail xmit by PORT_LOGIN, PID= 16757 Fri Sep 24 13:02:34 2004 ++++++++++++++++++++++++++++++++ (part 1 of 1) +++++++++++++++++++++++++++++++ ******************************************************************************* Revised: Jan 08, 2004 Europa / (Jupiter) 502 SATELLITE PHYSICAL PROPERTIES: Radius (km) = 1565 +- 8 Density (g cm^-3) = 2.99 +- 0.05 Mass (1020 kg ) = 479.7 +- 1.5 Geometric Albedo = 0.6 SATELLITE ORBITAL DATA: Semi-major axis, a (km) = 671.079 (103) Orbital period = 3.551810 d Eccentricity, e = 0.0101 Rotational period = Synchronous Inclination, i (deg) = 0.464 *******************************************************************************