Mercury

Orbital Data: 
a = 0.386 AU 
Period: 87.969 days 
e = 0.206 
Perihelion: 0.31 AU 
Aphelion: 0.47 AU 
Inclined by 7º 
Most elliptical orbit after Pluto's. 

Planetary Data 
Radius: 2439 km 
0.382 R/Earth
Mass: 0.055 M/Earth 
Rotation: 58.65 days
Exactly 2/3 of its orbital Period 
Day is 176 Earth days long
Axis Tilt: 2º 

Venus

Orbital Data 
a = 0.723 AU 
Period: 224.7 days 
e = 0.007 
tilted by 3.39º 
Most circular orbit among the planets.
 
Planetary Data 
Radius: 6052 km (0.949 R/Earth) 
Mass: 0.815 MEarth 
Rotation: 243.02 days Retrograde! 
Axis Tilt: 177.4º, Upside down! 

Mars

Orbital Data 
a = 1.52 AU 
Period = 1.88 years 
e = 0.0934 
Orbit Tilt = 1.85º
 
Planetary Data 
Radius: 3393 km (0.532 R/Earth) 
Mass: 0.107 M/Earth 
Rotation: 24 hours 37 minutes 
Axis Tilt: 25º (get seasons like Earth)	 
Two Moons: Phobos & Deimos

Jupiter

Orbital Data 
a = 5.2 AU 
Period = 11.9 years 
e = 0.048 
tilted by 1.3º 

Planetary Data 
Radius: 71,492 km (11.21 R/Earth) 
Mass: 317.7 M/Earth 
Rotation: 9h 50m 
Axis Tilt: 3.1º 
28 Moons 
Faint ring system 

Saturn

Orbital Data 
a = 9.5 AU 
Period: 29.5 years 
e = 0.056 
tilted by 2.5º 

Planetary Data 
Radius: 60,268 km 
(9.45 R/Earth) 
Mass: 95.2 M/Earth 
Rotation: 10h 14m 
Axis Tilt: 26.7º 
18 named Moons 
"Wowie" ring system

Uranus & Neptune

Orbits: 
Uranus 
a = 19.2 AU 
Period: 84 years 
e = 0.05 
tilted by 0.8º 
  
Radius: 25,559 km (4.01 REarth) 
Mass: 14.5 M/Earth 
Rotation: 17h 14m 
Axis Tilt: 97.9º 
20 named Moons 
Thin, dark rings 
  
Neptune 
a = 30.1 AU 
Period: 165 years 
e = 0.01 
tilted by 1.8º 
Radius: 24,766 km (3.88 REarth) 
Mass: 17.1 M/Earth 
Rotation: 16h 07m 
Axis Tilt: 29.6º 
8 named Moons 
Very dark, uneven rings and ring arcs. 

Pluto

Orbit: 5,913,520,000 km (39.5 AU) from the Sun (average)
Diameter: 2274 km
Mass:  1.27e22 kg