Solar system details

Solar System





The Sun and planets of the Solar System. Sizes are to scale. Distances not to scale.

	Distance from Sun	Radius	Orbital speed	Equatorial radius	Inclination to ecliptic	Polar radius	Mass	Sidereal rotation period
Sun	0	700,000 km(.0047 AU)
Mercury	0.4 AU
Venus	0.723 327 AU				3.394 58°
Earth	1 AU(150,000,000 km)
Mars	1.5 AU		24.077 km/s	3,396.2 ± 0.1 km		3,376.2 ± 0.1 km	6.4185×1023 kg	24.622 9 h
Jupiter	5.2 AU(780,000,000 km)	71,000 km(0.00047 AU)
Saturn	9.5 AU
Uranus	19.2
Neptune	30 AU(4.5×109 km)
Pluto

Earth to the Sun is 1 astronomical unit (150,000,000 km)

Age	4.568 billion years
Location	Local Interstellar Cloud, Local Bubble, Orion–Cygnus Arm, Milky Way
System mass	1.0014 solar masses
Nearest star	Proxima Centauri (4.22 ly), Alpha Centauri system (4.37 ly)
Nearest known planetary system	Alpha Centauri system (4.37 ly)
Planetary system
Semi-major axis of outer planet (Neptune)	30.10 AU (4.503 billion km)
Distance to Kuiper cliff	50 AU
No. of stars	1 Sun
No. of planets	8 Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
No. of known dwarf planets	5 (IAU) Ceres, Pluto, Haumea, Makemake, Eris hundreds of other possibilities[1]
No. of known natural satellites	421 (173 of planets[2] and 248 of minor planets[3])
No. of known minor planets	620,276 (as of 2013-07-23)[4]
No. of known comets	3,218 (as of 2013-07-23)[4]
No. of identified round satellites	19
Orbit about the Galactic Center
Inclination of invariable plane to the galactic plane	60.19° (ecliptic)
Distance to Galactic Center	27,000±1,000 ly
Orbital speed	220 km/s
Orbital period	225–250 Myr
Star-related properties
Spectral type	G2V
Frost line	≈5 AU[5]
Distance to heliopause	≈120 AU
Hill sphere radius	≈1–2 ly