Names | Sun, Sol,[1] Sól, Helios[2] |
---|---|
Adjectives | Solar[3] |
Symbol | |
Observation data | |
Mean distance from Earth | 1 AU 149,600,000 km 8 min 19 s, light speed[4] |
−26.74 (V)[5] | |
4.83[5] | |
G2V[6] | |
Metallicity | Z = 0.0122[7] |
Angular size | 0.527–0.545°[8] |
Orbital characteristics | |
Mean distance from
Milky Way core
|
24,000 to 28,000 light-years[9] |
Galactic period | 225–250 million years |
Velocity |
|
Obliquity |
|
Right ascension North pole
|
286.13° (286° 7′ 48″)[5] |
Declination of North pole
|
+63.87° (63° 52′ 12"N)[5] |
Sidereal
rotation period
|
|
Equatorial rotation velocity
|
1.997 km/s[11] |
Physical characteristics | |
Equatorial
radius
|
6.957 x 108 m[12] 109 × Earth radii[11] |
Flattening | 0.00005[5] |
Surface area | 6.09×1012 km2 12,000 × Earth[11] |
Volume |
|
Mass | |
Average density | 1.408 g/cm3 0.255 × Earth[5][11] |
Age | 4.6 billion years[13][14] |
Equatorial
surface gravity
|
274 m/s2[5] 27.9 g0[11] |
≈0.070[5] | |
Surface
escape velocity
|
617.7 km/s 55 × Earth[11] |
Temperature |
|
Luminosity | |
Color (B-V) | 0.656[15] |
Mean radiance | 2.009×107 W·m−2·sr−1 |
Photosphere composition by mass
|
Names | Sun, Sol,[1] Sól, Helios[2] |
---|---|
Adjectives | Solar[3] |
Symbol | |
Observation data | |
Mean distance from Earth | 1 AU 149,600,000 km 8 min 19 s, light speed[4] |
−26.74 (V)[5] | |
4.83[5] | |
G2V[6] | |
Metallicity | Z = 0.0122[7] |
Angular size | 0.527–0.545°[8] |
Orbital characteristics | |
Mean distance from
Milky Way core
|
24,000 to 28,000 light-years[9] |
Galactic period | 225–250 million years |
Velocity |
|
Obliquity |
|
Right ascension North pole
|
286.13° (286° 7′ 48″)[5] |
Declination of North pole
|
+63.87° (63° 52′ 12"N)[5] |
Sidereal
rotation period
|
|
Equatorial rotation velocity
|
1.997 km/s[11] |
Physical characteristics | |
Equatorial
radius
|
6.957 x 108 m[12] 109 × Earth radii[11] |
Flattening | 0.00005[5] |
Surface area | 6.09×1012 km2 12,000 × Earth[11] |
Volume |
|
Mass | |
Average density | 1.408 g/cm3 0.255 × Earth[5][11] |
Age | 4.6 billion years[13][14] |
Equatorial
surface gravity
|
274 m/s2[5] 27.9 g0[11] |
≈0.070[5] | |
Surface
escape velocity
|
617.7 km/s 55 × Earth[11] |
Temperature |
|
Luminosity | |
Color (B-V) | 0.656[15] |
Mean radiance | 2.009×107 W·m−2·sr−1 |
Photosphere composition by mass
|