| Distance from the Sun: 227,936,640 km Equatorial Radius: 3,397 km Volume: 163,140,000,000 km3 Mass: 641,850,000,000,000,000,000,000 kg Mars' crust = 282 miles thick |
|
| Discovered By: | Known by the Ancients |
| Date of Discovery: | Unknown |
| Average Distance from the Sun |
Metric: 227,936,640 km English: 141,633,260 miles Scientific Notation: 2.2793664 x 108 km (1.523662 A.U.) By Comparison: 1.524 x Earth |
| Perihelion (closest) |
Metric: 206,600,000 km English: 128,400,000 miles Scientific Notation: 2.066 x 108 km (1.381 A.U.) By Comparison: 1.404 x Earth |
| Aphelion (farthest) |
Metric: 249,200,000 km English: 154,900,000 miles Scientific Notation: 2.492 x 108 km (1.666 A.U.) By Comparison: 1.638 x Earth |
| Equatorial Radius |
Metric: 3,397 km English: 2,111 miles Scientific Notation: 3.397 x 103 km By Comparison: 0.5326 x Earth |
| Equatorial Circumference |
Metric: 21,344 km English: 13,263 miles Scientific Notation: 2.1344 x 104 km |
| Volume | Metric: 163,140,000,000 km3 Scientific Notation: 1.6314 X 1011 km3 By Comparison: 0.150 x Earth |
| Mass | Metric: 641,850,000,000,000,000,000,000 kg Scientific Notation: 6.4185 x 1023 kg By Comparison: 0.10744 x Earth |
| Density | Metric: 3.94 g/cm3 By Comparison: 0.714 x Earth |
| Surface Area | Metric: 144,100,000 km2 English: 55,640,000 square miles Scientific Notation: 1.441 x 108 km2 By Comparison: 0.282 x Earth |
| Equatorial Surface Gravity |
Metric: 3.693 m/s2 English: 12.116 ft/s2 By Comparison: If you weigh 100 pounds on Earth, you would weigh 38 pounds on Mars. |
| Escape Velocity |
Metric: 18,072 km/h English: 11,229 mph Scientific Notation: 5.02 x 103 m/s By Comparison: Escape velocity of Earth is 25,022 mph. |
| Sidereal Rotation Period (Length of Day) |
1.026 Earth days 24.62 hours By Comparison: Earth's rotation period is 23.934 hours. |
| Mean Orbit Velocity |
Metric: 86,871 km/h English: 53,979 mph Scientific Notation: 24,130.9 m/s By Comparison: 0.810 x Earth |
| Orbital Eccentricity |
.0934 By Comparison: 5.59 x Earth |
| Orbital Inclination to Ecliptic | 1.8 degrees |
| Equatorial Inclination to Orbit | 25.19 |
| Orbital Circumference |
Metric: 1,366,900,000 km English: 849,400,000 miles Scientific Notation: 1.3669 x 109 km By Comparison: 1.479 x Earth |
| Minimum/Maximum Surface Temperature |
Metric: -87 to -5 °C English: -125 to 23 °F Scientific Notation: 186 to 268 K |
| Atmospheric Constituents |
Carbon Dioxide, Nitrogen, Argon Scientific Notation: CO2, N2, Ar By Comparison: CO2 is responsible for the Greenhouse Effect and is used for carbonation in beverages. N2 is 80% of Earth's air and is a crucial element in DNA. Ar is used to make blue neon light blubs. |
| Additional Information: | |
