Target Overview
    ===============
    The target name MOON is used for those data sets concerned with
    observations of Earth's moon. The following parameters are from
    the tabulation in K.R. Lang, 'Astrophysical Data: Planets and
    Stars', pp. 70-73 [LANG1992]:
 
    Distance from planet center:  384.4e03   km
    60.2 planet radii
    Orbital period:               27.3217 days
    Eccentricity:                 0.05490 degrees
    Inclination:                  18.2 to 28.8 degrees
 
    Radius:                       1738 km
    Mass:                         735 1.e23 grams
    Density:                      3.34 grams/cm^3
    Visual Magnitude at Opposition: N/A
    at Unit Distance:             +0.21
    Geometric Visual Albedo:       0.12