Mercury

Podrobné informácie

O stránke 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.

Rýchle fakty

  • 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
Stránka NASA Facts

Informácie o planéte

Poloha: Beijing

Aktualizované: 2026-06-15 07:19:51+08:00
Group Vlastnosť Hodnota
Current Position Right Ascension 07h18m43s
Current Position Declination +23°21'40"
Current Position Constellation Gemini
Current Position Azimuth 65.56605472083112°
Current Position Altitude 7.36815699605752°
Current Position Elongation 24.496560783963297°
Distance Information Earth Distance 0.8370601547536745 AU
Distance Information Sun Distance 0.43007878306389247 AU
Distance Information Earth Distance (km) 125222416.79896218 km
Visual Information Magnitude 0.505054295313641
Visual Information Angular Diameter 8.037294492474585"
Visual Information Phase Angle 101.70097178644271°
Visual Information Illumination 39.85980480994382%
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 188.4056325801139°
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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