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Difference between revisions 6283460 and 6290322 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 | 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 | Orbit eccentricity = 0.2056 | Sidereal rotation period (hrs) = 1407.6 | Length of day (hrs) = 4222.6 | Obliquity to orbit (deg) = ~0 Mercury Observational Parameters Discoverer: Unknown Discovery Date: Prehistoric Distance from Earth | Minimum (106 km) = 77.3 | Maximum (106 km) = 221.9 Apparent diameter from Earth | Maximum (seconds of arc) = 13. | Minimum (seconds of arc) = 4.5 Maximum visual magnitude -1.9 Mean values at inferior conjunction with Earth | Distance from Earth (106 km) = 91.70 | Apparent diameter (seconds of arc) = 11.0 Mercury Mean Orbital Elements (J2000) | Semimajor axis (AU) = 0.38709893 Orbital eccentricity 0.20563069 | Orbital inclination (deg) = 7.00487 | Longitude of ascending node (deg) = 48.33167 | Longitude of perihelion (deg) = 77.45645 | Mean Longitude (deg) = 252.25084 North Pole of Rotation Right Ascension: 281.01 - 0.003T Declination : 61.45 - 0.005T Reference Date : 12:00 UT 1 Jan 2000 (JD 2451545.0) T = Julian centuries from reference date (contracted; show full) 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 | 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 Discoverer: Unknown Discovery Date: Prehistoric Distance from Earth | Minimum (106 km) = 38.2 | Maximum (106 km) = 261.0 Apparent diameter from Earth | Maximum (seconds of arc) = 66.0 | Minimum (seconds of arc) = 9.7 Maximum visual magnitude -4.6 Mean values at inferior conjunction with Earth | Distance from Earth (106 km) = 41.44 | Apparent diameter (seconds of arc) = 60.2 Venus Mean Orbital Elements (J2000) | Semimajor axis (AU) = 0.72333199 Orbital eccentricity 0.00677323 | Orbital inclination (deg) = 3.39471 | Longitude of ascending node (deg) = 76.68069 | Longitude of perihelion (deg) = 131.53298 | Mean Longitude (deg) = 181.97973 North Pole of Rotation Right Ascension: 272.76 Declination : 67.16 Reference Date : 12:00 UT 1 Jan 2000 (JD 2451545.0) xxxx'''Moon'''{{subst:Autobot/sandbox4 | ime = Moon Bulk parameters Moon Earth Ratio (Moon/Earth) | Mass (1024 kg) = 0.07349 | Volume (1010 km3) = 2.1958 | Equatorial radius (km) = 1738.1 | Polar radius (km) = 1736.0 | Volumetric mean radius (km) = 1737.1 | Ellipticity (Flattening) = 0.0012 | 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 | 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) Moon | Semimajor axis (106 km) = 0.3844 Perigee (106 km)* 0.3633 Apogee (106 km)* 0.4055 | Revolution period (days) = 27.3217 | Synodic period (days) = 29.53 | Mean orbital velocity (km/s) = 1.023 | Max. orbital velocity (km/s) = 1.076 | Min. orbital velocity (km/s) = 0.964 | Inclination to ecliptic (deg) = 5.145 | Inclination to equator (deg) = 18.28 - 28.58 Orbit eccentricity 0.0549 | Sidereal rotation period (hrs) = 655.728 | Obliquity to orbit (deg) = 6.68 | Recession rate from Earth (cm/yr) = 3.8 Mean values at opposition from Earth | Distance from Earth (equator, km) = 378,000 | Apparent diameter (seconds of arc) = 1896 Apparent visual magnitude -12.74 xxxx'''Mars'''{{subst:Autobot/sandbox4 | ime = Mars Bulk parameters Mars Earth Ratio (Mars/Earth) | Mass (1024 kg) = 0.64185 | Volume (1010 km3) = 16.318 | Equatorial radius (km) = 3396.2 | Polar radius (km) = 3376.2 | Volumetric mean radius (km) = 3389.5 | Core radius (km) = 1700 | Ellipticity (Flattening) = 0.00589 | 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 | 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 | 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 Discoverer: Unknown Discovery Date: Prehistoric Distance from Earth | Minimum (106 km) = 55.7 | Maximum (106 km) = 401.3 Apparent diameter from Earth | Maximum (seconds of arc) = 25.1 | Minimum (seconds of arc) = 3.5 Mean values at opposition from Earth | Distance from Earth (106 km) = 78.39 | Apparent diameter (seconds of arc) = 17.9 Apparent visual magnitude -2.0 Maximum apparent visual magnitude -2.91 Mars Mean Orbital Elements (J2000) | Semimajor axis (AU) = 1.52366231 Orbital eccentricity 0.09341233 | Orbital inclination (deg) = 1.85061 | Longitude of ascending node (deg) = 49.57854 | Longitude of perihelion (deg) = 336.04084 | Mean Longitude (deg) = 355.45332 North Pole of Rotation Right Ascension: 317.681 - 0.106T Declination : 52.887 - 0.061T Reference Date : 12:00 UT 1 Jan 2000 (JD 2451545.0) (contracted; show full) 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 | 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 Discoverer: Unknown Discovery Date: Prehistoric Distance from Earth | Minimum (106 km) = 588.5 | Maximum (106 km) = 968.1 Apparent diameter from Earth | Maximum (seconds of arc) = 50.1 | Minimum (seconds of arc) = 29.8 Mean values at opposition from Earth | Distance from Earth (106 km) = 628.76 | Apparent diameter (seconds of arc) = 46.9 Apparent visual magnitude -2.7 Maximum apparent visual magnitude -2.94 Jupiter Mean Orbital Elements (J2000) | Semimajor axis (AU) = 5.20336301 Orbital eccentricity 0.04839266 | Orbital inclination (deg) = 1.30530 | Longitude of ascending node (deg) = 100.55615 | Longitude of perihelion (deg) = 14.75385 | Mean Longitude (deg) = 34.40438 North Pole of Rotation Right Ascension: 268.05 - 0.009T Declination : 64.49 + 0.003T Reference Date : 12:00 UT 1 Jan 2000 (JD 2451545.0) (contracted; show full) 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 | 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 Discoverer: Unknown Discovery Date: Prehistoric Distance from Earth | Minimum (106 km) = 1195.5 | Maximum (106 km) = 1658.5 Apparent diameter from Earth | Maximum (seconds of arc) = 20.1 | Minimum (seconds of arc) = 14.5 Mean values at opposition from Earth | Distance from Earth (106 km) = 1277.42 | Apparent diameter (seconds of arc) = 19.5 Apparent visual magnitude 0.7 Maximum apparent visual magnitude 0.43 Saturn Mean Orbital Elements (J2000) | Semimajor axis (AU) = 9.53707032 Orbital eccentricity 0.05415060 | Orbital inclination (deg) = 2.48446 | Longitude of ascending node (deg) = 113.71504 | Longitude of perihelion (deg) = 92.43194 | Mean Longitude (deg) = 49.94432 North Pole of Rotation Right Ascension: 40.5954 - 0.0577T Declination : 83.5380 - 0.0066T Reference Date : 12:00 UT 1 Jan 2000 (JD 2451545.0) (contracted; show full) 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 | 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 Discoverer: William Herschel Discovery Date: 13 March 1781 Distance from Earth | Minimum (106 km) = 2581.9 | Maximum (106 km) = 3157.3 Apparent diameter from Earth | Maximum (seconds of arc) = 4.1 | Minimum (seconds of arc) = 3.3 Mean values at opposition from Earth | Distance from Earth (106 km) = 2719.99 | Apparent diameter (seconds of arc) = 3.9 Apparent visual magnitude 5.5 Maximum apparent visual magnitude 5.32 Uranus Mean Orbital Elements (J2000) | Semimajor axis (AU) = 19.19126393 Orbital eccentricity 0.04716771 | Orbital inclination (deg) = 0.76986 | Longitude of ascending node (deg) = 74.22988 | Longitude of perihelion (deg) = 170.96424 | Mean Longitude (deg) = 313.23218 North Pole of Rotation Right Ascension: 257.43 Declination : -15.10 Reference Date : 12:00 UT 1 Jan 2000 (JD 2451545.0) xxxx'''Neptune'''{{subst:Autobot/sandbox4 | ime = Neptune Bulk parameters Neptune Earth Ratio (Neptune/Earth) | Mass (1024 kg) = 102.43 | Volume (1010 km3) = 6,254 Radius (1 bar level) (km) | = Equatorial 24,764 | = Polar 24,341 | Volumetric mean radius (km) = 24,622 | Ellipticity (Flattening) = 0.01708 | 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 | 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 | 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 Discoverer: Johann Gottfried Galle (based on predictions by John Couch Adams and Urbain Leverrier) Discovery Date: 23 September 1846 Distance from Earth | Minimum (106 km) = 4305.9 | Maximum (106 km) = 4687.3 Apparent diameter from Earth | Maximum (seconds of arc) = 2.4 | Minimum (seconds of arc) = 2.2 Mean values at opposition from Earth | Distance from Earth (106 km) = 4347.31 | Apparent diameter (seconds of arc) = 2.3 Apparent visual magnitude 7.8 Maximum apparent visual magnitude 7.78 Neptune Mean Orbital Elements (J2000) | Semimajor axis (AU) = 30.06896348 Orbital eccentricity 0.00858587 | Orbital inclination (deg) = 1.76917 | Longitude of ascending node (deg) = 131.72169 | Longitude of perihelion (deg) = 44.97135 | Mean Longitude (deg) = 304.88003 North Pole of Rotation Right Ascension: 299.36 + 0.70 sin N Declination : 43.46 - 0.51 cos N Reference Date : 12:00 UT 1 Jan 2000 (JD 2451545.0) N = 359.28 + 549.308T degrees xxxx'''Pluto'''{{subst:Autobot/sandbox4 | ime = Pluto Bulk parameters Pluto Earth Ratio (Pluto/Earth) | Mass (1024 kg) = 0.0125 | Volume (1010 km3) = 0.715 | Equatorial radius (km) = 1195 | Polar radius (km) = 1195 | Volumetric mean radius (km) = 1195 | Ellipticity (Flattening) = 0.0000 | 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 | 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 | 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=6290322.
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