PLACEHOLDER ART · images/dwarf-planet-mani.jpg

Dwarf planet candidate · Kuiper Belt

Máni

Máni is a dwarf planet candidate about 796 km across, orbiting the Sun between 35 and 48 AU every 268 years.

Máni in brief

Diameter
about 796 km
Distance from the Sun
35.41 to 47.78 AU
Orbit
268 years
Moons
0
Discovered
2002
Brightest
magnitude 19.0

Máni is a 796-km world in the Kuiper Belt on a 268-year orbit

Máni is a dwarf planet candidate about 796 km across, orbiting the Sun between 35 and 48 AU every 268 years. Its catalog designation is (307261) Máni (2002 MS4). It was discovered in 2002 by Chad Trujillo, Michael Brown. It is named for Máni, Old Norse personification of the Moon (Prose Edda).

MercuryEarthJupiterSaturn Máni
Máni orbits 41.59 AU from the Sun; its orbit ranges from 35.41 to 47.78 AU (shaded band). Seen from above Earth's north pole, the planets go round counterclockwise, as the arrow shows. Distances use a log scale so the inner planets and the farthest orbits fit; the faint band is the asteroid belt.

What is known about the surface of Máni

Atmosphere

none

Reflectivity

reflects about 10% of sunlight

Máni compared with Pluto

Pluto is the yardstick for the outer solar system: 2,376 km across, 39.5 AU from the Sun on average, on a 248-year orbit.

less than Plutomore than Pluto
Diameter796 km0.34×
Average distance from the Sun41.6 AU1.1×
Farthest from the Sun47.8 AU0.98×
Year268 years1.1×

Máni is beyond the reach of backyard telescopes

At about magnitude 19.0, Máni is far too faint for amateur telescopes and is followed with some of the largest telescopes on Earth.

Máni among the dwarf planets and distant worlds

Dwarf planets and candidates beyond Neptune, by distance27
NameRegionAverage distance (AU)Diameter (km)
PlutoKuiper Belt39.242,376
OrcusKuiper Belt39.34910
IxionKuiper Belt39.35697
AchlysKuiper Belt39.63772
RitonaKuiper Belt41.55679
MániKuiper Belt41.59796
GoibniuKuiper Belt41.81680
SalaciaKuiper Belt42.12866
UniKuiper Belt43610
HaumeaKuiper Belt43.011,595
QuaoarKuiper Belt43.151,110
VarunaKuiper Belt43.18668
MakemakeKuiper Belt45.511,430
VardaKuiper Belt45.54740
ChaosKuiper Belt46.11600
AyaKuiper Belt47.3768
2013 FZ27Kuiper Belt48.14570
ChiminigaguaScattered disc58.79742
GonggongScattered disc66.891,230
ErisScattered disc682,326
GǃkúnǁʼhòmdímàScattered disc74.59614
2015 RR245Scattered disc81.3670
2014 UZ224Scattered disc109.9635
2012 VP113Detached / inner Oort cloud262.3450
2015 BP519Scattered disc449584
SednaDetached / inner Oort cloud549.5995
LeleākūhonuaDetached / inner Oort cloud1,190220

Máni physical and orbital data

Every value in the planets dataset for Máni
Classificationdwarf planet candidate
Designation(307261) Máni (2002 MS4)
Discovered2002
DiscovererChad Trujillo, Michael Brown
Named forMáni, Old Norse personification of the Moon (Prose Edda)
Average distance from the Sun41.595 AU
Closest to the Sun (perihelion)35.410 AU
Farthest from the Sun (aphelion)47.780 AU
Orbital eccentricity0.149
Orbital inclination17.7°
Orbital period268.26 years
Average orbital speed4.62 km/s
Diameter796 km
Albedo0.1
Brightest magnitude19.0
Atmospherenone
Moons0
RingsNo

From the site's planets dataset (planets_q426). Each row in the dataset lists its sources.