Description
Size:
The planet Mars is a relatively small planet for our solar system with an average
mass of 6.4185×1024 kg and an average diameter of 6,794.4 km. Mars is roughly 53% the
size of Earth.
Orbital Characteristics:
The planet Mars obits our Sun at an average speed of 24.13 km/s. At this speed
it takes Mars 686.98 Earth days to complete one revolution around the Sun. One
day on Mars lasts 24.6597 hours.
Distance from Earth:
This planet is the fourth closest planet to the Sun and the second closest planet
Earth. During its orbit around the sun, its maximum distance
from the planet Earth is 401,355,980 km and its minimum distance
is 54,510,620 km.
Brightness:
Mars is a relatively bright planet for the solar system with a
brightness rating of -1.52 V(1,0) and an irradiance of 589.2 W/m2.
Atmosphere:
Mars has a relatively thick atmosphere with an average density
of 3,933 kg/m3 and an average surface pressure
of 6.36 mb at mean radius. The atmosphere is composed of
the elements Carbon Dioxide (95.32%), Nitrogen (2.7%), Argon (1.6 %), Oxygen (0.13%), Carbon Monoxide (0.08%), and other trace elements.
The average temperature of the planet Mars is -63 degrees Celsius.
Satellites:
Mars has 2 moons including the following: Deimos,
Phobos.