Sun: the nearest star

Mean distance from Earth	1 au ≈ 1.496×108 km[1] 8 min 19 s at light speed
Visual brightness (V)	−26.74[2]
Absolute magnitude	4.83[2]
Spectral classification	G2V[3]
Metallicity	Z = 0.0122[4]
Angular size	31.6–32.7 minutes of arc[5]
Adjectives	Solar
Orbital characteristics
Mean distance from Milky Way core	≈ 2.7×1017 km 27,200 light-years
Galactic period	(2.25–2.50)×108 yr
Velocity	≈ 220 km/s (orbit around the center of the Milky Way) ≈ 20 km/s (relative to average velocity of other stars in stellar neighborhood) ≈ 370 km/s[6] (relative to the cosmic microwave background)
Physical characteristics
Equatorial radius	695,700 km,[7] 696,342 km[8] 109 × Earth[9]
Equatorial circumference	4.379×106 km[9] 109 × Earth[9]
Flattening	9×10−6
Surface area	6.09×1012 km2[9] 12,000 × Earth[9]
Volume	1.41×1018 km3[9] 1,300,000 × Earth
Mass	1.9885×1030 kg[2] 333,000 × Earth[2]
Average density	1.408 g/cm3[2][9][10] 0.255 × Earth[2][9]
Center density(modeled)	162.2 g/cm3[2] 12.4 × Earth
Equatorial surface gravity	274 m/s2[2] 28 × Earth[9]
Moment of inertia factor	0.070[2] (estimate)
Escape velocity (from the surface)	617.7 km/s[9] 55 × Earth[9]
Temperature	Center (modeled): 1.57×107 K[2] Photosphere (effective): 5,778 K[2] Corona: ≈ 5×106 K
Luminosity (Lsol)	3.828×1026 W[2] ≈ 3.75×1028 lm ≈ 98 lm/W efficacy
Color (B-V)	0.63
Mean radiance (Isol)	2.009×107 W·m−2·sr−1
Age	≈ 4.6 billion years[11][12]
Rotation characteristics
Obliquity	7.25°[2] (to the ecliptic) 67.23° (to the galactic plane)
Right ascension of North pole[13]	286.13° 19 h 4 min 30 s
Declination of North pole	+63.87° 63° 52' North
Sidereal rotation period (at equator)	25.05 d[2]
(at 16° latitude)	25.38 d[2] 25 d 9 h 7 min 12 s[13]
(at poles)	34.4 d[2]
Rotation velocity (at equator)	7.189×103 km/h[9]
Photospheric composition (by mass)
Hydrogen	73.46%[14]
Helium	24.85%
Oxygen	0.77%
Carbon	0.29%
Iron	0.16%
Neon	0.12%
Nitrogen	0.09%
Silicon	0.07%
Magnesium	0.05%
Sulfur	0.04%