User:KGV/Sandbox
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< User:KGV
 Mars as seen by the Hubble Space Telescope |
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| Orbital characteristics | ||||||||||
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| Epoch J2000[1] | ||||||||||
| Aphelion distance: | 249,228,730 km (154.863,553 mi) 1.665 991 16 AU |
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| Perihelion distance: | 206,644,545 km (128,402,967 mi) 1.381 333 46 AU |
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| Semi-major axis: | 227,936,637 km (141,632,976 mi) 1.523 662 31 AU |
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| Orbital circumference: | ~1,430,000,000 km (888,000,000 mi) 9.55 AU |
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| Eccentricity: | 0.093 412 33 | |||||||||
| Sidereal period: | 686.9600 day (1.8808 yr) |
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| Synodic period: | 779.96 day (2.135 yr) |
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| Avg. orbital speed: | 24.077 km/s (53,859 mi/h) |
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| Max. orbital speed: | 26.499 km/s (59,277 mi/h) |
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| Min. orbital speed: | 21.972 km/s (49,150 mi/h) |
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| Inclination: | 1.850 61° (5.65° to Sun's equator) |
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| Longitude of ascending node: | 49.578 54° | |||||||||
| Argument of perihelion: | 286.462 30° | |||||||||
| Satellites: | 2 | |||||||||
| Physical characteristics | ||||||||||
| Equatorial radius: | 3402.5 km (2114.2 mi) (0.533 Earths) |
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| Polar radius: | 3377.4 km (2098.6 mi) (0.533 Earths) |
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| Oblateness: | 0.007 36 | |||||||||
| Surface area: | 1.448×108 km²) 55,907,000 square miles (144 798 465 square kilometers) (0.284 Earths) |
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| Volume: | 1.6318×1011 km³ (0.151 Earths) |
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| Mass: | 6.4185×1023 kg (0.107 Earths) |
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| Mean density: | 3.934 g/cm³ | |||||||||
| Equatorial surface gravity: | 3.69 m/s2 (0.376g) |
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| Escape velocity: | 5.027 km/s (11,245 mi/h) | |||||||||
| Sidereal rotation period: | 1.025 957 day (24.622 962 h) |
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| Rotation velocity at equator: | 868.22 km/h (539.49 mi/h) | |||||||||
| Axial tilt: | 25.19° | |||||||||
| Right ascension of North pole: | 317.681 43° (21 h 10 min 44 s) |
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| Declination of North pole: | 52.886 50° | |||||||||
| Albedo: | 0.15 | |||||||||
| Surface temp.: Kelvin Celsius |
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| Adjectives: | Martian | |||||||||
| Atmosphere | ||||||||||
| Surface pressure: | 0.7–0.9 kPa | |||||||||
| Composition: | 95.72% Carbon dioxide 2.7% Nitrogen 1.6% Argon 0.2% Oxygen 0.07% Carbon monoxide 0.03% Water vapor 0.01% Nitric oxide 2.5 ppm Neon 300 ppb Krypton 130 ppb Formaldehyde 80 ppb Xenon 30 ppb Ozone 10 ppb Methane |
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