Mercury

Informazioni dettagliate

Informazioni Mercury

Mercury is a world of extremes. It's the smallest planet in our solar system and the closest to the Sun, experiencing temperature swings from 800°F (430°C) during the day to -290°F (-180°C) at night. Despite being the nearest planet to our star, Mercury is not the hottest planet – that title belongs to Venus. Mercury has the most eccentric orbit of all planets, and it completes three rotations for every two orbits around the Sun.

Fatti rapidi

  • Closest planet to the Sun
  • Smallest planet in our solar system
  • No atmosphere to retain heat
  • One day lasts 176 Earth days
Mercury - the smallest planet in our solar system
Pagina dei fatti NASA

Informazioni sul pianeta

Posizione: Beijing

Aggiornato: 2026-05-01 18:46:45+08:00
Group Proprietà Valore
Current Position Right Ascension 01h40m52s
Current Position Declination +08°27'23"
Current Position Constellation Pisces
Current Position Azimuth 290.9556688232643°
Current Position Altitude -10.797411175235313°
Current Position Elongation 14.385735175835372°
Distance Information Earth Distance 1.2548365702489188 AU
Distance Information Sun Distance 0.3747543870146575 AU
Distance Information Earth Distance (km) 187720878.98572922 km
Visual Information Magnitude -0.8266077684282718
Visual Information Angular Diameter 5.361414491458065"
Visual Information Phase Angle 41.90595281471636°
Visual Information Illumination 87.21210784691309%
Orbital Elements Semi-major Axis 0.38709927 AU
Orbital Elements Eccentricity 0.20563593
Orbital Elements Inclination 7.00497902°
Orbital Elements Ascending Node 48.33076593°
Orbital Elements Argument of Perihelion 77.45779628°
Orbital Elements Mean Anomaly 8.342405833449448°
Orbital Elements Epoch J2000.0
Orbital Elements Orbital Period 87.9691 days
Derived Quantities Mass 3.3011e+23 kg
Derived Quantities Radius 2439.7 km
Derived Quantities Density 5.427 g/cm³
Derived Quantities Surface Gravity 3.7 m/s²
Derived Quantities Escape Velocity 4.25 km/s
Derived Quantities Perihelion 0.3074977516112289 AU
Derived Quantities Aphelion 0.46670078838877105 AU
Derived Quantities Orbital Velocity 47.87223915523033 km/s
Derived Quantities Rotation Period 1407.6 hours
Derived Quantities Axial Tilt 0.034°
Rise, Set, Transit Times Rise Time N/A
Rise, Set, Transit Times Transit Time N/A
Rise, Set, Transit Times Set Time N/A
Rise, Set, Transit Times Visible Duration 0.0 hours
Rise, Set, Transit Times Best Observation N/A
Rise, Set, Transit Times Quality Rating Unknown

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