सुनगु

बुध
	Composite image of Mercury taken by MESSENGER probe Composite image of Mercury taken by MESSENGER
Designations
Pronunciation	/ˈmɜrkjəri/
Adjective	Mercurian, Mercurial
Orbital characteristics
	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;
Eccentricity	0.205 630
Orbital period	87.969 1 d; (0.240 846 a); 0.5 Mercury solar day;
Synodic period	115.88 d
Average orbital speed	47.87 km/s
Mean anomaly	174.796°
Inclination	7.005° to Ecliptic; 3.38° to Sun’s equator; 6.34° to Invariable plane;
Longitude of ascending node	48.331°
Argument of perihelion	29.124°
Satellites	None
Physical characteristics
Mean radius	2,439.7 ± 1.0 km; 0.3829 Earths;
Flattening	0
Surface area	7.48×10७ km2; 0.147 Earths;
Volume	6.083×10१० km3; 0.056 Earths;
Mass	3.3022×10२३ kg; 0.055 Earths;
Mean density	5.427 g/cm3
Equatorial surface gravity	3.7 m/s2; 0.38 g;
Escape velocity	4.25 km/s
Sidereal rotation period	58.646 day; 1407.5 h;
Equatorial rotation velocity	10.892 km/h (3.026 m/s)
Axial tilt	2.11′ ± 0.1′
North pole right ascension	18 h 44 min 2 s; 281.01°;
North pole declination	61.45°
Albedo	0.068 (Bond); 0.142 (geom.);
Apparent magnitude	−2.6 to 5.7
Angular diameter	4.5" – 13"
Atmosphere
Surface pressure	trace
Composition	42% Molecular oxygen; 29.0% sodium; 22.0% hydrogen; 6.0% helium; 0.5% potassium; Trace amounts of argon, nitrogen, carbon dioxide, water vapor, xenon, krypton and neon;

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 ।