Astronomical Basis of Astrology

I Solar System:

1 Nine planets-inner and outer planets: & are minor (interior or inferior) planets and and are outer (exterior or superior) planets. They are shown below:

 

2 Dimensions of the Sun, moon and Planets:

 

Planet - Sun

Symbol

Semi-diameter(kms) – 695,500

Mass (fraction of  ’s mass) 1/ - ---         

Density (water = 1) – 1.42

Planet - Moon

Symbol

Semi-diameter(kms) – 1,738

Mass (fraction of  ’s mass) 1/ - 27,158,000

Density (water = 1) – 3.34

Planet - Mercury

Symbol

Semi-diameter(kms) – 2,420

Mass (fraction of  ’s mass) 1/ - 9,00,000

Density (water = 1) – 3.73

Planet - Venus

Symbol

Semi-diameter(kms) – 6,096

Mass (fraction of  ’s mass) 1 – 403,490

Density (water = 1) – 5.21

Planet - Earth

Symbol

Semi-diameter(kms) – 6,378(Eql.) 6,357(Polar)

Mass (fraction of  ’s mass) 1/ - 329,390

Density (water = 1) – 5.53

Planet - Mars

Symbol

Semi-diameter(kms) – 3,392

Mass (fraction of  ’s mass) 1/ - 3,093,500

Density (water = 1) – 3.95

Planet - Jupiter

Symbol

Semi-diameter(kms) – 71,370(Eql.0 54,50(Polar)

Mass (fraction of  ’s mass) 1/ - 1,047.3

Density (water = 1) – 1.34

Planet - Saturn

Symbol

Semi-diameter(kms) – 60,400(Eql.) 54,050(Polar)

Mass (fraction of  ’s mass) 1/ - 3,501.6

Density (water = 1) – 0.69

Planet – Herschel (Uranus)

Symbol

Semi-diameter(kms) – 24,850

Mass (fraction of  ’s mass) 1/ - 22,870

Density (water = 1) – 1.36

Planet - Neptune

Symbol

Semi-diameter(kms) – 26,500

Mass (fraction of  ’s mass) 1/ - 19,314

Density (water = 1) – 1.33

Planet - Pluto

Symbol

Semi-diameter(kms)

Mass (fraction of  ’s mass) 1/

Density (water = 1)

3 Planets – Period of rotation, revolution around Sun and distance from Sun: Speed of light is 3,00,00 km per second. One light year is equal to 9462.0 billion years. Sun is about 8 light minutes (mean being 149.67 million km = 1 Astronomical Unit – A.U.) away from earth. Nearest star from Sun Apha Centuri is 4.2 light years away from Sun.

 

Planet-Mercury

Period of rotation on its axis – 59 days

Period of revolution around Sun – 88 days

Distance from Sun in AU’s – 0.387

Planet - Venus

Period of rotation on its axis – 243 days

Period of revolution around Sun – 224.7 days

Distance from Sun in AU’s – 0.723

Planet - Earth

Period of rotation on its axis – 23.9 hrs

Period of revolution around Sun – 365.25 days

Distance from Sun in AU’s – 1.000

Planet - Mars

Period of rotation on its axis – 24.6 hrs.

Period of revolution around Sun – 686.98 days

Distance from Sun in AU’s – 1.524

Planet - Jupiter

Period of rotation on its axis – 9.9 hrs

Period of revolution around Sun – 11.86 yrs

Distance from Sun in AU’s – 5.203

Planet – Saturn

Period of rotation on its axis – 10.2 hrs

Period of revolution around Sun – 29.46 yrs.

Distance from Sun in AU’s – 9.519

Planet – Herschel (Uranus)

Period of rotation on its axis – 17.2 hrs

Period of revolution around Sun – 84.02 yrs.

Distance from Sun in AU’s – 19.187

Planet - Nepture

Period of rotation on its axis – 18.4 hrs.

Period of revolution around Sun – 164.77 yrs

Distance from Sun in AU’s – 30.047

Planet - Pluto

Period of rotation on its axis – 6.4 days

Period of revolution around Sun – 248.42 yrs

Distance from Sun in AU’s – 39.672

Planets, Lordship, dignity, period & ruling God

Rasi (Signs) Background

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