🪐 Solar PlanetID: mercury · VSOP87 Real-Time Ephemeris
Mercury
The innermost rocky planet closest to the Sun with extreme day-night temperature swings.
Distance from Earth (Live)
0.9163 AU
13,708만 km (137,076,938 km)
Light Travel Time
7m 37s
Speed of Light
Solar Orbit Radius
0.39 AU
Period: 87.97 d
Equatorial Radius
2,439.7 km
Gravity: 3.7 m/s²
Eccentricity / Inc
e=0.205 / 7°
Moons: 0
Surface Temp
-180°C to +430°C
🔬 Astrophysical Deep Analysis & Key Features
- • Possesses a massive iron-nickel core accounting for ~85% of the planet's radius.
🔭 Recommended Telescope & Astrophotography Gear for Mercury
For high-magnification planetary imaging (Jupiter's Great Red Spot, Saturn's Cassini Division), a Schmidt-Cassegrain telescope (8-inch SCT) with a 2x Barlow lens and high-frame-rate planetary CMOS camera is recommended.