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Planets - Planetary Observational Data

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PLANETS - PLANETARY OBSERVATIONAL DATA

(Angular equatorial diameter of planet in seconds of arc)

         At 1 AU   At minimum  At maximum  At greatest  At opposition    Avg. Visual
         distance  distance    distance    elongation   distance (avg.)  magnitude
PLANET   (")       (")         (")         (")          (")
Mercury    6.7     13.0         4.5         7.8          -                 0.0
Venus     16.7     65.4         9.6        25.2          -                -4.4
Mars       9.4     25.7         3.5         -           17.9              -2.0
Jupiter  196.9     50.0        30.4         -           46.8              -2.7
Saturn   165.5     20.7        14.9         -           19.4              +0.7 #
Uranus    70.0      4.1         3.3         -            3.9              +5.5
Neptune   67.0      2.3         2.1         -            2.3              +7.8
Pluto      3.1      -           -           -            0.1             +14.0

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