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Difference between revisions 6283231 and 6283460 on srwikixxxx'''Mercury'''{{subst:Autobot/sandbox4 | ime = Mercury Bulk parameters Mercury Earth Ratio (Mercury/Earth) | Mass (1024 kg) = 0.3302 | Volume (1010 km3) = 6.083 | Equatorial radius (km) = 2439.7 | Polar radius (km) = 2439.7 | Volumetric mean radius (km) = 2439.7 | Ellipticity (Flattening) = 0.0000 | Mean density (kg/m3) = 5427 | Surface gravity (eq.) (m/s2) = 3.70 | Surface acceleration (eq.) (m/s2) = 3.70 | Escape velocity (km/s) = 4.3 | GM (x 106 km3/s2) = 0.02203 | Bond albedo = 0.068 | Visual geometric albedo = 0.142 | Visual magnitude V(1,0) = -0.42 -3.86 - | Solar irradiance (W/m2) = 9126.6 | Black-body temperature (K) = 440.1 | Moment of inertia (I/MR2) = 0.33 | J2 (x 10-6) = 60. Number of natural satellites 0 1 Planetary ring system No No Orbital parameters Mercury Earth Ratio (Mercury/Earth) | Semimajor axis (106 km) = 57.91 | Sidereal orbit period (days) = 87.969 | Tropical orbit period (days) = 87.968 | Perihelion (106 km) = 46.00 | Aphelion (106 km) = 69.82 Synodic period (days) 115.88 - - | Mean orbital velocity (km/s) = 47.87 | Max. orbital velocity (km/s) = 58.98 | Min. orbital velocity (km/s) = 38.86 | Orbit inclination (deg) = 7.00 0.00 - | Orbit eccentricity = 0.2056 | Sidereal rotation period (hrs) = 1407.6 | Length of day (hrs) = 4222.6 | Obliquity to orbit (deg) = ~0 Mercury Observational Parameters (contracted; show full)| Mean density (kg/m3) = 5243 | Surface gravity (eq.) (m/s2) = 8.87 | Surface acceleration (eq.) (m/s2) = 8.87 | Escape velocity (km/s) = 10.36 | GM (x 106 km3/s2) = 0.3249 | Bond albedo = 0.90 | Visual geometric albedo = 0.67 | Visual magnitude V(1,0) = -4.40 -3.86 - | Solar irradiance (W/m2) = 2613.9 | Black-body temperature (K) = 184.2 | Topographic range (km) = 15 | Moment of inertia (I/MR2) = 0.33 | J2 (x 10-6) = 4.458 Number of natural satellites 0 1 Planetary ring system No No Orbital parameters Venus Earth Ratio (Venus/Earth) | Semimajor axis (106 km) = 108.21 | Sidereal orbit period (days) = 224.701 | Tropical orbit period (days) = 224.695 | Perihelion (106 km) = 107.48 | Aphelion (106 km) = 108.94 Synodic period (days) 583.92 - - | Mean orbital velocity (km/s) = 35.02 | Max. orbital velocity (km/s) = 35.26 | Min. orbital velocity (km/s) = 34.79 | Orbit inclination (deg) = 3.39 0.00 - | Orbit eccentricity = 0.0067 | Sidereal rotation period (hrs) = -5832.5 | Length of day (hrs) = 2802.0 | Obliquity to orbit (deg) = 177.36 Venus Observational Parameters (contracted; show full)| Mean density (kg/m3) = 3350 | Surface gravity (m/s2) = 1.62 | Surface acceleration (m/s2) = 1.62 | Escape velocity (km/s) = 2.38 | GM (x 106 km3/s2) = 0.0049 | Bond albedo = 0.11 | Visual geometric albedo = 0.12 | Visual magnitude V(1,0) = +0.21 -3.86 - | Solar irradiance (W/m2) = 1367.6 | Black-body temperature (K) = 270.7 | Topographic range (km) = 16 | Moment of inertia (I/MR2) = 0.394 | J2 (x 10-6) = 202.7 Orbital parameters (for orbit about the Earth) (contracted; show full)| Mean density (kg/m3) = 3933 | Surface gravity (m/s2) = 3.71 | Surface acceleration (m/s2) = 3.69 | Escape velocity (km/s) = 5.03 | GM (x 106 km3/s2) = 0.04283 | Bond albedo = 0.250 | Visual geometric albedo = 0.170 | Visual magnitude V(1,0) = -1.52 -3.86 - | Solar irradiance (W/m2) = 589.2 | Black-body temperature (K) = 210.1 | Topographic range (km) = 30 | Moment of inertia (I/MR2) = 0.366 | J2 (x 10-6) = 1960.45 Number of natural satellites 2 1 Planetary ring system No No Orbital parameters Mars Earth Ratio (Mars/Earth) | Semimajor axis (106 km) = 227.92 | Sidereal orbit period (days) = 686.980 | Tropical orbit period (days) = 686.973 | Perihelion (106 km) = 206.62 | Aphelion (106 km) = 249.23 Synodic period (days) 779.94 - - | Mean orbital velocity (km/s) = 24.13 | Max. orbital velocity (km/s) = 26.50 | Min. orbital velocity (km/s) = 21.97 | Orbit inclination (deg) = 1.850 0.000 - | Orbit eccentricity = 0.0935 | Sidereal rotation period (hrs) = 24.6229 | Length of day (hrs) = 24.6597 | Obliquity to orbit (deg) = 25.19 Mars Observational Parameters (contracted; show full)| Mean density (kg/m3) = 1,326 | Gravity (eq., 1 bar) (m/s2) = 24.79 | Acceleration (eq., 1 bar) (m/s2) = 23.12 | Escape velocity (km/s) = 59.5 | GM (x 106 km3/s2) = 126.686 | Bond albedo = 0.343 | Visual geometric albedo = 0.52 | Visual magnitude V(1,0) = -9.40 -3.86 - | Solar irradiance (W/m2) = 50.50 | Black-body temperature (K) = 110.0 | Moment of inertia (I/MR2) = 0.254 | J2 (x 10-6) = 14,736 Number of natural satellites 67 1 Planetary ring system Yes No Orbital parameters Jupiter Earth Ratio (Jupiter/Earth) | Semimajor axis (106 km) = 778.57 | Sidereal orbit period (days) = 4,332.589 | Tropical orbit period (days) = 4,330.595 | Perihelion (106 km) = 740.52 | Aphelion (106 km) = 816.62 Synodic period (days) 398.88 - - | Mean orbital velocity (km/s) = 13.07 | Max. orbital velocity (km/s) = 13.72 | Min. orbital velocity (km/s) = 12.44 | Orbit inclination (deg) = 1.304 0.000 - | Orbit eccentricity = 0.0489 | Sidereal rotation period (hours) = 9.9250* | Length of day (hrs) = 9.9259 | Obliquity to orbit (deg) = 3.13 * System III (1965.0) coordinates Jupiter Observational Parameters (contracted; show full)| Mean density (kg/m3) = 687 | Gravity (eq., 1 bar) (m/s2) = 10.44 | Acceleration (eq., 1 bar) (m/s2) = 8.96 | Escape velocity (km/s) = 35.5 | GM (x 106 km3/s2) = 37.931 | Bond albedo = 0.342 | Visual geometric albedo = 0.47 | Visual magnitude V(1,0) = -8.88 -3.86 - | Solar irradiance (W/m2) = 14.90 | Black-body temperature (K) = 81.1 | Moment of inertia (I/MR2) = 0.210 | J2 (x 10-6) = 16,298. Number of natural satellites 62 1 Planetary ring system Yes No Orbital parameters Saturn Earth Ratio (Saturn/Earth) | Semimajor axis (106 km) = 1,433.53 | Sidereal orbit period (days) = 10,759.22 | Tropical orbit period (days) = 10,746.94 | Perihelion (106 km) = 1,352.55 | Aphelion (106 km) = 1,514.50 Synodic period (days) 378.09 - - | Mean orbital velocity (km/s) = 9.69 | Max. orbital velocity (km/s) = 10.18 | Min. orbital velocity (km/s) = 9.09 | Orbit inclination (deg) = 2.485 0.000 - | Orbit eccentricity = 0.0565 | Sidereal rotation period (hours) = 10.656* | Length of day (hrs) = 10.656 | Obliquity to orbit (deg) = 26.73 * Saturnian System III coordinates Saturn Observational Parameters (contracted; show full)| Mean density (kg/m3) = 1,270 | Gravity (eq., 1 bar) (m/s2) = 8.87 | Acceleration (eq., 1 bar) (m/s2) = 8.69 | Escape velocity (km/s) = 21.3 | GM (x 106 km3/s2) = 5.794 | Bond albedo = 0.300 | Visual geometric albedo = 0.51 | Visual magnitude V(1,0) = -7.19 -3.86 - | Solar irradiance (W/m2) = 3.71 | Black-body temperature (K) = 58.2 | Moment of inertia (I/MR2) = 0.225 | J2 (x 10-6) = 3343.43 Number of natural satellites 27 1 Planetary ring system Yes No Orbital parameters Uranus Earth Ratio (Uranus/Earth) | Semimajor axis (106 km) = 2,872.46 | Sidereal orbit period (days) = 30,685.4 | Tropical orbit period (days) = 30,588.740 | Perihelion (106 km) = 2,741.30 | Aphelion (106 km) = 3,003.62 Synodic period (days) 369.66 - - | Mean orbital velocity (km/s) = 6.81 | Max. orbital velocity (km/s) = 7.11 | Min. orbital velocity (km/s) = 6.49 | Orbit inclination (deg) = 0.772 0.000 - | Orbit eccentricity = 0.0457 | Sidereal rotation period (hours) = -17.24* | Length of day (hrs) = 17.24 | Obliquity to orbit (deg) = 97.77 * Magnetic coordinates (as determined by the Voyager 2 Radio Science experiment) Uranus Observational Parameters (contracted; show full)| Mean density (kg/m3) = 1,638 | Gravity (eq., 1 bar) (m/s2) = 11.15 | Acceleration (eq., 1 bar) (m/s2) = 11.00 | Escape velocity (km/s) = 23.5 | GM (x 106 km3/s2) = 6.8351 | Bond albedo = 0.290 | Visual geometric albedo = 0.41 | Visual magnitude V(1,0) = -6.87 -3.86 - | Solar irradiance (W/m2) = 1.51 | Black-body temperature (K) = 46.6 | J2 (x 10-6) = 3411. Number of natural satellites 13 1 Planetary ring system Yes No Orbital parameters Neptune Earth Ratio (Neptune/Earth) | Semimajor axis (106 km) = 4,495.06 | Sidereal orbit period (days) = 60,189. | Tropical orbit period (days) = 59,799.9 | Perihelion (106 km) = 4,444.45 | Aphelion (106 km) = 4,545.67 Synodic period (days) 367.49 - - | Mean orbital velocity (km/s) = 5.43 | Max. orbital velocity (km/s) = 5.50 | Min. orbital velocity (km/s) = 5.37 | Orbit inclination (deg) = 1.769 0.000 - | Orbit eccentricity = 0.0113 | Sidereal rotation period (hours) = 16.11* | Length of day (hrs) = 16.11 | Obliquity to orbit (deg) = 28.32 * Magnetic coordinates (as determined by the Voyager 2 Radio Science experiment) Neptune Observational Parameters (contracted; show full)| Mean density (kg/m3) = 1750 | Surface gravity (m/s2) = 0.58 | Surface acceleration (m/s2) = 0.58 | Escape velocity (km/s) = 1.2 | GM (x 106 km3/s2) = 0.00083 | Bond albedo = 0.4 - 0.6 | Visual geometric albedo = 0.5 - 0.7 | Visual magnitude V(1,0) = -1.0 -3.86 - | Solar irradiance (W/m2) = 0.89 | Black-body temperature (K) = 37.5 Number of natural satellites 5 1 Planetary ring system No No Orbital parameters Pluto Earth Ratio (Pluto/Earth) | Semimajor axis (106 km) = 5906.38 | Sidereal orbit period (days) = 90,465 | Tropical orbit period (days) = 90,588 | Perihelion (106 km) = 4436.82 | Aphelion (106 km) = 7375.93 Synodic period (days) 366.73 - - | Mean orbital velocity (km/s) = 4.72 | Max. orbital velocity (km/s) = 6.10 | Min. orbital velocity (km/s) = 3.71 | Orbit inclination (deg) = 17.16 0.000 - | Orbit eccentricity = 0.2488 | Sidereal rotation period (hrs) = -153.2928 | Length of day (hrs) = 153.2820 | Obliquity to orbit (deg) = 122.53 Pluto Observational Parameters Discoverer: Clyde Tombaugh Discovery Date: 18 February 1930 Distance from Earth Minimum (106 km) 4284.7 Maximum (106 km) 7528.0 Apparent diameter from Earth Maximum (seconds of arc) 0.11 Minimum (seconds of arc) 0.06 Mean values at opposition from Earth Distance from Earth (106 km) 5750.54 Apparent diameter (seconds of arc) 0.08 Apparent visual magnitude 15.1 Maximum apparent visual magnitude 13.65 Pluto Mean Orbital Elements (J2000) Semimajor axis (AU) 39.48168677 Orbital eccentricity 0.24880766 Orbital inclination (deg) 17.14175 Longitude of ascending node (deg) 110.30347 Longitude of perihelion (deg) 224.06676 Mean longitude (deg) 238.92881 On 11 February 1999 at 11:22 UT (6:22 a.m. EST), Pluto passed Neptune as the furthest planet from the Sun once again and will remain so until 5 April 2231. North Pole of Rotation Right Ascension: 313.02 Declination : 9.09 Reference Date : 12:00 UT 1 Jan 2000 (JD 2451545.0) All content in the above text box is licensed under the Creative Commons Attribution-ShareAlike license Version 4 and was originally sourced from https://sr.wikipedia.org/w/index.php?diff=prev&oldid=6283460.
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