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

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Facts & Figures

Haumea: Facts & Figures

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Facts & Figures

Discovered By

Sierra Nevada Observatory

Date of Discovery

7 Mar. 2003

Orbit Size Around Sun (semi-major axis)

Metric: 6,432,011,461 km

English: 3,996,666,630 miles

Scientific Notation: 6.4320115 x 10⁹ km (4.299534075 x 10¹ A.U.)

By Comparison: 42.995

Perihelion (closest)

Metric: 5,157,623,774 km

English: 3,204,798,833 miles

Scientific Notation: 5.15762 x 10⁹ km (3.448 x 10¹ A.U.)

By Comparison: 34.47658527

Aphelion (farthest)

Metric: 7,706,399,149 km

English: 4,788,534,427 miles

Scientific Notation: 7.70640 x 10⁹ km (5.151 x 10¹ A.U.)

By Comparison: 51.51409623

Orbit Period (Length of Year)

281.93 Earth years

Orbit Circumference

Metric: 40,013,930,298 km

English: 24,863,503,575 miles

Scientific Notation: 4.001 x 10¹⁰ km

By Comparison: 42.573

Average Orbit Velocity

Metric: 16,191 km/h

English: 10,061 mph

Scientific Notation: 4.4974 x 10³ m/s

By Comparison: 0.151

Orbit Eccentricity

0.198132061

By Comparison: 11.856

Orbit Inclination

28.22

Sidereal Rotation Period (Length of Day)

0.163 Earth days

3.91540 hours

By Comparison: 0.16

NASA Official: Kristen Erickson

Advisory: Dr. James Green, Director of Planetary Science

Outreach Manager: Alice Wessen

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