Solar System Exploration: Planets: Dwarf Planets: Makemake: Facts & Figures

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Facts & Figures

Makemake: Facts & Figures

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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 Period (Length of Year)

305.34 Earth years

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

NASA Official: Kristen Erickson

Advisory: Dr. James Green, Director of Planetary Science

Outreach Manager: Alice Wessen

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