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Makemake: Facts & Figures
   Back to Dwarf Planets   Overview   Gallery   Facts & Figures 
Discovered By
M. E. Brown, C. A. Trujillo, and D. L. Rabinowitz
Date of Discovery
31 Mar. 2005
Orbit Size Around Sun (semi-major axis)
Metric: 6,783,345,606 km
English: 4,214,975,546 miles
Scientific Notation: 6.7833456 x 109 km (4.5343864 x 101 A.U.)
By Comparison: 45.344
Perihelion (closest)
Metric: 5,671,928,586 km
English: 3,524,373,028 miles
Scientific Notation: 5.67193 x 109 km (3.791 x 101 A.U.)
Aphelion (farthest)
Metric: 7,894,762,625 km
English: 4,905,578,065 miles
Scientific Notation: 7.89476 x 109 km (5.277 x 101 A.U.)
Orbit Circumference
Metric: 42,333,519,173 km
English: 26,304,829,280 miles
Scientific Notation: 4.233 x 1010 km
By Comparison: 45.041
Average Orbit Velocity
Metric: 15,816 km/h
English: 9,828 mph
Scientific Notation: 4.3934 x 103 m/s
By Comparison: 0.148
Orbit Eccentricity
0.163844964
By Comparison: 9.804
Orbit Inclination
29.00
Sidereal Rotation Period (Length of Day)
0.937 Earth days
22.48000 hours
By Comparison: 0.94
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Last Updated: 24 Mar 2011