सुनगु

बुध
Composite image of Mercury taken by MESSENGER probe
Composite image of Mercury taken by MESSENGER probe
Composite image of Mercury taken by MESSENGER
Designations
Pronunciation/ˈmɜrkjəri/
AdjectivesMercurian, Mercurial[१]
Symbol☿
Orbital characteristics[२]
Epoch J2000
Aphelion
  • 69,816,900 km
  • 0.466 697 AU
Perihelion
  • 46,001,200 km
  • 0.307 499 AU
Semi-major axis
  • 57,909,100 km
  • 0.387 098 AU
Eccentricity0.205 630[३]
Orbital period (sidereal)
  • 87.969 1 d
  • (0.240 846 a)
  • 0.5 Mercury solar day
Orbital period (synodic)
115.88 d[३]
Average orbital speed
47.87 km/s[३]
Mean anomaly
174.796°
Inclination
  • 7.005° to Ecliptic
  • 3.38° to Sun’s equator
  • 6.34° to Invariable plane[४]
Longitude of ascending node
48.331°
Argument of perihelion
29.124°
Known satellitesNone
Physical characteristics
Mean radius
Flattening0[६]
Surface area
  • 7.48×10७ km2[५]
  • 0.147 Earths
Volume
  • 6.083×10१० km3[५]
  • 0.056 Earths
Mass
  • 3.3022×10२३ kg[५]
  • 0.055 Earths
Mean density
5.427 g/cm3[५]
Surface gravity
Escape velocity
4.25 km/s[५]
Sidereal rotation period
  • 58.646 day
  • 1407.5 h[५]
Equatorial rotation velocity
10.892 km/h (3.026 m/s)
Axial tilt
2.11′ ± 0.1′[७]
North pole right ascension
  • 18 h 44 min 2 s
  • 281.01°[३]
North pole declination
61.45°[३]
Albedo
Surface temp. min mean max
0°N, 0°W [९] 100 K 340 K 700 K
85°N, 0°W[९] 80 K 200 K 380 K
Apparent magnitude
−2.6[१०] to 5.7[३][११]
Angular diameter
4.5" – 13"[३]
Atmosphere[३]
Surface pressure
trace
Composition by volume

बुध (चिं: ☿) सुर्द्यः मन्दःया छता ग्रह खः । थ्व ग्रह सूर्द्यः नापंया ग्रह खः । थ्व ग्रह सूर्द्यः व शुक्रया दथुइ लाः । थिथि धर्मय् थ्व ग्रहयातः थिथि कथं नालेगु याइ । थ्व ग्रह नाङ्गा मिखां हे खनेदु ।

लिधंसा

  1. ↑ Cite warning: <ref> tag with name webster cannot be previewed because it is defined outside the current section or not defined at all.
  2. ↑ Cite warning: <ref> tag with name horizons cannot be previewed because it is defined outside the current section or not defined at all.
  3. ↑ ३.० ३.१ ३.२ ३.३ ३.४ ३.५ ३.६ ३.७ Cite warning: <ref> tag with name nssdcMercury cannot be previewed because it is defined outside the current section or not defined at all.
  4. ↑ Cite warning: <ref> tag with name meanplane cannot be previewed because it is defined outside the current section or not defined at all.
  5. ↑ ५.० ५.१ ५.२ ५.३ ५.४ ५.५ ५.६ ५.७ Cite warning: <ref> tag with name nasa cannot be previewed because it is defined outside the current section or not defined at all.
  6. ↑ ६.० ६.१ Cite warning: <ref> tag with name Seidelmann2007 cannot be previewed because it is defined outside the current section or not defined at all.
  7. ↑ Cite warning: <ref> tag with name Margot2007 cannot be previewed because it is defined outside the current section or not defined at all.
  8. ↑ ८.० ८.१ Cite warning: <ref> tag with name MallamaMercury cannot be previewed because it is defined outside the current section or not defined at all.
  9. ↑ ९.० ९.१ (19 February 1999) "Near-Surface Temperatures on Mercury and the Moon and the Stability of Polar Ice Deposits". Icarus 141: 179–193. DOI:10.1006/icar.1999.6175. Figure 3 with the "TWO model"; Figure 5 for pole. 
  10. ↑ Cite warning: <ref> tag with name MallamaSky cannot be previewed because it is defined outside the current section or not defined at all.
  11. ↑ Cite warning: <ref> tag with name ephemeris cannot be previewed because it is defined outside the current section or not defined at all.

स्वयादिसँ

विकिमिडिया मंका य् थ्व विषय नाप स्वापु दुगु मिडिया दु: Mercury (planet)