MarsvsNeptune
Neptune has a higher Mass (102 vs 1 × 10²⁴ kg), while Neptune has a higher Orbital Period (60,189 vs 687 days), while Neptune has a higher Perihelion (4,444 vs 207 × 10⁶ km).
Physical Properties
1
Mass
102
3,390
Mean Radius
24,622
3,933
Density
1,638
4
Surface Gravity
N/A
5
Escape Velocity
24
210
Black-Body Temperature
47
2
Number of Moons
14
No
Has Ring System
Yes
Orbital Characteristics
687
Orbital Period
60,189
25
Length of Day
16
24
Orbital Velocity
5
0
Orbital Eccentricity
0
25
Axial Tilt
28
207
Perihelion
4,444
249
Aphelion
4,546
Similar Comparisons to Mars vs Neptune
More comparisons with Mars
More comparisons with Neptune
Data sourced from NASA NSSDC Planetary Fact Sheet (US Government public domain).