Planetary data for Mercury


Planetary data for Mercury

Table
Planetary data for Mercury
mean distance from Sun 57,910,000 km (0.4 AU)
eccentricity of orbit 0.2056
inclination of orbit to ecliptic 7.004°
Mercurian year (sidereal period of revolution) 87.9694 Earth days
maximum visual magnitude -1.9
mean synodic period* 116 Earth days
mean orbital velocity 47.9 km/sec
radius (equatorial and polar) 2,439.7 km
surface area 74,800,000 km2
mass 3.30 × 1023 kg
mean density 5.43 g/cm3
mean surface gravity 370 cm/sec2
escape velocity 4.3 km/sec
rotation period (Mercurian sidereal day) 58.6462 Earth days
Mercurian mean solar day 175.9 Earth days
inclination of equator to orbit less than 3°; probably nearly zero
magnetic field strength 0.003 gauss
mean surface temperature 440 K (332 °F, 167 °C)
surface temperature extremes 700 K (800 °F, 430 °C) to 90 K (-300 °F, -180 °C)
typical surface pressure about 10-15 bar
number of known moons none
*Time required for the planet to return to the same position in the sky relative to the Sun as seen from Earth.
See as table:

* * *


Universalium. 2010.

Look at other dictionaries:

  • mercury — /merr kyeuh ree/, n., pl. mercuries. 1. Chem. a heavy, silver white, highly toxic metallic element, the only one that is liquid at room temperature; quicksilver: used in barometers, thermometers, pesticides, pharmaceutical preparations,… …   Universalium

  • Planetary habitability — is the measure of a planet s or a natural satellite s potential to develop and sustain life. As the existence of life beyond Earth is currently uncertain, planetary habitability is largely an extrapolation of conditions on Earth and the… …   Wikipedia

  • Mercury (planet) — Mercury  ☿ …   Wikipedia

  • Mercury's magnetic field — Magnetosphere of Mercury Graph showing relative strength of Mercury s magnetic field. Discovery[1] …   Wikipedia

  • Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn …   Wikipedia

  • Planetary science — Planetary science, also known as planetology and closely related to planetary astronomy, is the science of planets, or planetary systems, and the solar system. Incorporating an interdisciplinary approach, planetary science draws from diverse… …   Wikipedia

  • Planetary nomenclature — Planetary nomenclature, like terrestrial nomenclature, is a system of uniquely identifying features on the surface of a planet or natural satellite so that the features can be easily located, described, and discussed. The task of assigning… …   Wikipedia

  • Planetary mass — The four terrestrial planets in the Solar System, to scale. Note that Mars (to the far right) is about half the diameter of the Earth, but only one ninth of the mass …   Wikipedia

  • Exploration of Mercury — The exploration of Mercury has taken only a minor role in the space interests of the world. It is the least explored inner planet.JHU/APL (2006). [http://messenger.jhuapl.edu/ MESSENGER: MErcury Surface, Space ENvironment, GEochemistry, and… …   Wikipedia

  • Motivations for organic agriculture — Main article: Organic farming Within the food industry, defining the benefits of organic food is largely left to word of mouth, media coverage, and the promotional efforts of organic advocates. Major food and beverage corporations[1] have rapidly …   Wikipedia


Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.