Company Name | Venus |
---|---|
Website | https://www.nasa.gov |
Snippet | NASA.gov brings you the latest images, videos and news from America's space agency. Get the latest updates on NASA missions, watch NASA TV live, and learn about our quest to reveal the unknown and benefit all humankind. |
Mass | 4.8675×1024 kg[9], 0.815 Earths |
Albedo | 0.689 (geometric)[14], 0.76 (Bond)[15] |
Kelvin | |
Volume | 9.2843×1011 km3, 0.857 Earths |
Celsius | |
Aphelion | 0.728213 AU, 108,939,000 km |
Adjectives | Venusian /vɪˈnjuːziən, -ʒən/,[1] rarely Cytherean /sɪθəˈriːən/[2] or Venerean / Venerian /vɪˈnɪəriən/[3] |
Axial tilt | 2.64° (for retrograde rotation)177.36° (to orbit)[5][note 1] |
Fahrenheit | |
Flattening | 0[8] |
Perihelion | 0.718440 AU, 107,477,000 km |
Satellites | None |
Inclination | 3.39458° to ecliptic, 3.86° to Sun's equator, 2.15° to invariable plane[6] |
Mean radius | 6,051.8±1.0 km[8], 0.9499 Earths |
Eccentricity | 0.006772[4] |
Mean anomaly | 50.115° |
Mean density | 5.243 g/cm3 |
Surface area | 4.6023×108 km2, 0.902 Earths |
Pronunciation | /ˈviːnəs/ (listen) |
Surface temp. | Surface temp.minmeanmaxKelvin737 K[5]Celsius464 °CFahrenheit867 °F |
Orbital period | 224.701 d[5], 0.615198 yr, 1.92 Venus solar day |
Synodic period | 583.92 days[5] |
Escape velocity | 10.36 km/s (6.44 mi/s)[10] |
Rotation period | −116.75 d (synodic; solar day; retrograde)[11] |
Semi-major axis | 0.723332 AU, 108,208,000 km |
Surface gravity | 8.87 m/s2, 0.904 g |
Angular diameter | 9.7″–66.0″[5] |
Surface pressure | 93 bar (9.3 MPa)92 atm |
Apparent magnitude | −4.92 to −2.98[16] |
Average orbital speed | 35.02 km/s |
Composition by volume | 96.5% carbon dioxide, 3.5% nitrogen, 0.015% sulfur dioxide, 0.0070% argon, 0.0020% water vapour, 0.0017% carbon monoxide, 0.0012% helium, 0.0007% neon, Trace carbonyl sulfide, Trace hydrogen chloride, Trace hydrogen fluoride |
Argument of perihelion | 54.884° |
North pole declination | 67.16° |
Sidereal rotation period | −243.0226 d (retrograde)[12] |
North pole right ascension | 18h 11m 2s, 272.76°[13] |
Longitude of ascending node | 76.680°[4] |
Equatorial rotation velocity | 6.52 km/h (1.81 m/s) |
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