Key Facts

Overview

Leleakuhonua is a very large asteroid whose orbit extends beyond the orbit of Neptune. NASA JPL has not classified Leleakuhonua as potentially hazardous because its orbit does not bring it close to Earth.

Leleakuhonua orbits the sun every 18,900,000 days (51,745.38 years), coming as close as 65.01 AU and reaching as far as 2712.99 AU from the sun. Its orbit is highly elliptical. Based on its brightness and the way it reflects light, Leleakuhonua is probably between 204.435 to 457.130 kilometers in diameter, making it larger than 99% of asteroids, very roughly comparable in size to the U.S. state of West Virginia.

No Close Approaches

Leleakuhonua's orbit is 64.10 AU from Earth's orbit at its closest point. This means that there is an extremely wide berth between this asteroid and Earth at all times.

Orbital simulations conducted by NASA JPL's CNEOS do not show any close approaches to Earth.

Images and Observations

Leleakuhonua's orbit is determined by observations dating back to Oct. 13, 2015. It was last officially observed on Oct. 17, 2018. The IAU Minor Planet Center records 33 observations used to determine its orbit.

Accessibility and Exploration

This asteroid is not considered a viable target for human exploration by the NHATS study.

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 1389.0 AU
  • Eccentricity: 0.9532
  • Inclination: 11.67°
  • Longitude of Ascending Node: 300.98°
  • Argument of Periapsis: 117.58°
  • Mean Anomaly: 359.62°

Physical Characteristics

  • Diameter: ~263.924 km
  • Magnitude: 5.57

Derived Characteristics

  • Orbit Period: 18,900,000 days (51,745.38 years)
  • Avg. Orbit Speed: 0.80 km/s
  • Aphelion Distance: 2712.99 AU
  • Perihelion Distance: 65.01 AU

Map Comparison

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Orbit Simulation

Sky Map

The position of Leleakuhonua is indicated by a ◯ pink circle. Note that the object may not be in your current field of view. Use the controls below to adjust position, location, and time.