134340 Pluto
Demoted in 2006, then found in 2015 to have nitrogen glaciers and 3 km mountains of water ice.
Where it is right now
134340 Pluto is in Capricornus, 34.6 AU away, magnitude 14.5.
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.
- Diameter
- 2,377 kmSource: Published occultation and Herschel/Spitzer radiometry results
- Orbital period
- 249.1 yearsSource: NASA/JPL Small-Body Database
- Distance from the Sun
- 39.589 AU on averageSource: NASA/JPL Small-Body Database
- Orbit shape
- eccentricity 0.252, inclined 17.1 degrees to the eclipticSource: NASA/JPL Small-Body Database
- Class
- Trans-neptunian objectSource: NASA/JPL Small-Body Database
- Discovered
- 1930-Jan-23 by Tombaugh, C. W.Source: NASA/JPL Small-Body Database
Physical size
- Mean radius
- 1,188 km
- Diameter
- 2,377 km across
- Absolute magnitude H
- -0.55
Orbit
Elements are heliocentric, referred to the J2000.0 ecliptic.
- Average distance from the Sun
- 39.589 AU (5,922.4 million km)
- Closest and furthest
- 29.619 AU (4,430.9 million km) to 49.559 AU (7,413.9 million km)
- Eccentricity
- 0.2518, noticeably elliptical
- Inclination to the ecliptic
- 17.15 degrees
- Orbital period
- 249 years
- Longitude of ascending node
- 110.29 degrees
- Argument of periapsis
- 113.71 degrees
- Mean anomaly at J2000.0
- 14.77 degrees
Family
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