answers.input_text: short
answers.span_text: 0.615 198 yr
questions: what is the revolution period of venus in earth years
name: Venus
contexts: Venus A real - colour image of Venus taken by Mariner 10 processed from two filters . The surface is obscured by thick sulfuric acid clouds . Designations Pronunciation / ˈviːnəs / ( listen ) Adjectives Venusian or ( rarely ) Cytherean , Venerean Orbital characteristics Epoch J2000 Aphelion 7011108939114216059 ♠ 0.728 213 AU 7011108939000000000 ♠ 108,939,000 km Perihelion 7011107477094225708 ♠ 0.718 440 AU 7011107477000000000 ♠ 107,477,000 km Semi-major axis 7011108208927009172 ♠ 0.723 332 AU 7011108208000000000 ♠ 108,208,000 km Eccentricity 0.006772 Orbital period 7007194141664000000 ♠ 224.701 d 6999615198000000000 ♠ 0.615 198 yr 1.92 Venus solar day Synodic period 583.92 days Average orbital speed 35.02 km / s Mean anomaly 50.115 ° Inclination 6998592465977223492 ♠ 3.394 58 ° to ecliptic 3.86 ° to Sun 's equator 2.19 ° to invariable plane Longitude of ascending node 76.680 ° Argument of perihelion 54.884 ° Satellites None Physical characteristics Mean radius 7006605180000000000 ♠ 6,051.8 ± 1.0 km 6999949900000000000 ♠ 0.9499 Earths Flattening 0 Surface area 7014460229999999999 ♠ 4.6023 × 10 km 0.902 Earths Volume 7020928430000000000 ♠ 9.2843 × 10 km 0.866 Earths Mass 7024486749999999999 ♠ 4.8675 × 10 kg 0.815 Earths Mean density 7003524300000000000 ♠ 5.243 g / cm Surface gravity 7000886999999999999 ♠ 8.87 m / s 0.904 g Escape velocity 10.36 km / s ( 6.44 mi / s ) Sidereal rotation period 2992790026400000000 ♠ − 243.025 d ( retrograde ) Equatorial rotation velocity 6.52 km / h ( 1.81 m / s ) Axial tilt 2.64 ° ( for retrograde rotation ) 177.36 ° ( to orbit ) North pole right ascension 18 11 2 272.76 ° North pole declination 67.16 ° Albedo 0.689 ( geometric ) 0.77 ( Bond ) 0.65 ( visual geometric ) Surface temp . min mean max Kelvin 737 K Celsius 462 ° C Apparent magnitude − 4.9 ( crescent ) to − 3.8 ( full ) Angular diameter 9.7 '' -- 66.0 '' Atmosphere Surface pressure 92 bar ( 9.2 MPa ) Composition by volume 96.5 % carbon dioxide 3.5 % nitrogen 0.015 % sulfur dioxide 0.007 % argon 0.002 % water vapour 0.0017 % carbon monoxide 0.0012 % helium 0.0007 % neon trace carbonyl sulfide trace hydrogen chloride trace hydrogen fluoride Jump up ^ Defining the rotation as retrograde , as done by NASA space missions and the USGS , puts Ishtar Terra in the northern hemisphere and makes the axial tilt 2.64 ° . Following the right - hand rule for prograde rotation puts Ishtar Terra in the southern hemisphere and makes the axial tilt 177.36 ° .