Key Facts

Overview

506028 (2015 HO171) is a large asteroid with an orbit between Jupiter and Neptune. NASA JPL has not classified 2015 HO171 as potentially hazardous because its orbit does not bring it close to Earth.

2015 HO171 orbits the sun every 9,370 days (25.65 years), coming as close as 6.67 AU and reaching as far as 10.73 AU from the sun. Based on its brightness and the way it reflects light, 2015 HO171 is probably between 10.582 to 23.661 kilometers in diameter, making it larger than 99% of asteroids, very roughly comparable in size to the city of Cleveland, Ohio.

No Close Approaches

2015 HO171's orbit is 5.80 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

2015 HO171's orbit is determined by observations dating back to May 30, 2014. It was last officially observed on Nov. 1, 2022. The IAU Minor Planet Center records 116 observations used to determine its orbit.

Accessibility and Exploration

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

Similar Objects

These objects have orbits that share similar characteristics to the orbit of 2015 HO171:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 8.698 AU
  • Eccentricity: 0.2336
  • Inclination: 33.2°
  • Longitude of Ascending Node: 278.49°
  • Argument of Periapsis: 63.96°
  • Mean Anomaly: 105.73°

Physical Characteristics

  • Diameter: ~13.661 km
  • Magnitude: 12.0

Derived Characteristics

  • Orbit Period: 9,370 days (25.65 years)
  • Avg. Orbit Speed: 10.10 km/s
  • Aphelion Distance: 10.73 AU
  • Perihelion Distance: 6.67 AU

Map Comparison

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Orbit Simulation

Sky Map

The position of 506028 (2015 HO171) 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.