Solar System Data
 
Planet
Distance
from Sun
Revolution Period
Rotation
Period
Diameter
(kilometers)
Density
(g/cm3)
Volume
Earth =1
Mass
Earth =1
Satellites
 
Mercury
0.39A.U.
88 days
59 days
4,880
5.4
0.06
0.055
-
Venus
0.72
224.7 days
234 days
12,104
5.2
0.88
0.815
-
Earth
1.0
365.3 days
24 hours
12,786
5.5
1
1
1
Mars
1.52
687 days
25 hours
6,794
3.9
0.15
0.107
2
Jupiter
5.2
11.86 years
10 hours
142,800
1.3
1316
318
16
Saturn
9.54
20.46 years
10 hours
120,000
0.7
755
95.2
17
Uranus
19.18
84.01 years
17 hours
50,800
1.3
67
14.6
15
Neptune
30.06
164.8 years
 18 hours
48,600
1.7
57
17.2
2
Pluto
39.44
247.7 years
6 days
3000
1.3
0.1
0.002
1
 
 
20 Brightest Stars
* = VARIABLE
Common Name
Star
m (apparent)
M (absolute)
Type(s)
Sirius
a CMa
 -1.46
 1.4
AO 
Canopus
a Car
 -0.72
-2.5 
 FO
Rigel Kentaurus
a Cen
 -0.27
 4.1
 G0, K5
Arcturus
a Boo
 -0.04
 0.2
 KO
Vega
a Lyr
 0.03
 0.6
 A0
Capella
a Aur
 0.08
 0.4
 G0
Rigel
b Ori
 0.12
 -8.1
 B8
Procyon
a CMi
 0.38
 2.6
 F5
Achernar
 a Eri
 0.46
 -1.3
 B5
Betelguese
 a Ori
 0.50*
 -5.7
 M0
Hadar
b Cen
 0.61*
 -4.4
 B1
Altair
 a Aql
 0.77
 2.3
 A5
Aldebaran
 a Tau
 0.85*
 -0.3
 K5
Acrux
 a Cru
 0.76
 -4.6
 B1, B1
Antares
 a Sco
 0.96*
 -5.2
 M0, A3
Spica
 a Vir
 0.98*
 -3.2
 B2
Fomalhaut
 a PsA
 1.16
 2.0
 A3
Pollux
b Gem 
 1.14
 0.7
 K0
Deneb
 a Cyg
 1.25
 -7.2
 A2
Becrux
 b Cru
 1.25*
 -4.7
 B1
 

Greek Alphabet for Stargazers
a   alpha
i    iota
r     rho
b   beta
kappa
s    sigma
 g   gamma
l   lamda
t     tau
d     delta
m     mu
u     upsilon
epsilon
n     nu
 f    phi
z     zeta
 x     xi
c     chi
h    eta
o     xi
 y     psi
q    theta
p     pi
w     omega