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: 2026-05-01 16:25:15+08:00
Group Vlastnosť Hodnota
Current Position Right Ascension 01h40m11s
Current Position Declination +08°22'48"
Current Position Constellation Pisces
Current Position Azimuth 268.01585927145135°
Current Position Altitude 15.755398202229934°
Current Position Elongation 14.475817318249259°
Distance Information Earth Distance 1.2538136065233179 AU
Distance Information Sun Distance 0.37532438705282295 AU
Distance Information Earth Distance (km) 187567845.79057598 km
Visual Information Magnitude -0.8186360573051228
Visual Information Angular Diameter 5.365788772063667"
Visual Information Phase Angle 42.14069686974619°
Visual Information Illumination 87.07497267955216%
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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