Planetary positions in RA/Dec by VSOP87 theory

USAGE: planetary_positions.rb?d=JULIAN_DAY
*If you omit param d you will get current position.


Mercury 
RA       : 21.109204478122
Dec      : -18.7543805043158
Distance : 1.40686655304088

Venus 
RA       : 23.7708986640645
Dec      : -2.26179411538839
Distance : 1.08101004028889

Mars 
RA       : 11.625875795874
Dec      : 6.70316301501521
Distance : 0.7687276720743

Jupiter 
RA       : 2.08405508203056
Dec      : 11.552009193127
Distance : 5.094420124307

Saturn 
RA       : 13.8898859353246
Dec      : -8.888107730697
Distance : 9.3859200088781

Neptune 
RA       : 22.1549416523586
Dec      : -11.9697720601386
Distance : 30.9539012760262

Uranus 
RA       : 0.137586847892282
Dec      : 0.128577448462988
Distance : 20.7398871907916