Jupiter
Two and a half times the mass of the other seven planets combined.
Where it is right now
Jupiter is in Cancer, 6.30 AU away, magnitude -1.8.
Computed for 2 August 2026, 17:00 UTC, and recomputed at least hourly. This page is cached, so treat the line above as accurate to the hour rather than to the second. The map shows the live position.
Position from astronomy-engine's VSOP87-derived series, accurate to about an arcsecond.
Facts
Every line carries the source it came from.
- Mean radius
- 69,911 km, about 11 Earths acrossSource: NASA/JPL Planetary Fact Sheet
- Mass
- 318 Earths, 2.5 times all other planets put togetherSource: NASA/JPL Planetary Fact Sheet
- Day
- 9 h 56 m, the fastest rotation of any planetSource: NASA/JPL Planetary Fact Sheet
- Great Red Spot
- a storm wider than Earth, tracked continuously since 1830Source: NASA/JPL Planetary Fact Sheet
- Orbit
- 5.203 AU average, eccentricity 0.048, one lap every 11.9 yearsSource: NASA/JPL Approximate Positions of the Major Planets (J2000)
- Moons
- 97 confirmed as of 2026, four of them larger than PlutoSource: NASA/JPL Planetary Satellite Discovery Circumstances
Physical size
- Mean radius
- 69,911 km
- Diameter
- 139,822 km across
Orbit
Elements are heliocentric, referred to the J2000.0 ecliptic.
- Average distance from the Sun
- 5.203 AU (778.3 million km)
- Closest and furthest
- 4.951 AU (740.7 million km) to 5.455 AU (816.0 million km)
- Eccentricity
- 0.0484, almost circular
- Inclination to the ecliptic
- 1.30 degrees
- Orbital period
- 11.9 years (4,333 days)
- Longitude of ascending node
- 100.47 degrees
- Argument of periapsis
- 274.25 degrees
- Mean anomaly at J2000.0
- 19.67 degrees
Family
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Catalog id jupiter. 3,172 objects on the map, of which 171 are hand-authored with sourced facts.