Key Facts

Overview

Hyogo is a large asteroid orbiting between Mars and Jupiter in the main portion of the asteroid belt. NASA JPL has not classified Hyogo as potentially hazardous because its orbit does not bring it close to Earth.

Hyogo orbits the sun every 2,020 days (5.53 years), coming as close as 2.60 AU and reaching as far as 3.65 AU from the sun. Hyogo is about 18.8 kilometers in diameter, making it larger than 99% of asteroids, comparable in size to the city of Philadelphia.

No Close Approaches

Hyogo's orbit is 1.62 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

Hyogo's orbit is determined by observations dating back to Jan. 31, 1952. It was last officially observed on May 15, 2023. The IAU Minor Planet Center records 3,052 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 Hyogo:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 3.125 AU
  • Eccentricity: 0.1686
  • Inclination: 8.55°
  • Longitude of Ascending Node: 102.93°
  • Argument of Periapsis: 307.38°
  • Mean Anomaly: 84.91°

Physical Characteristics

  • Diameter: 18.77200 km
  • Magnitude: 12.74
  • Albedo: 0.047

Derived Characteristics

  • Orbit Period: 2,020 days (5.53 years)
  • Avg. Orbit Speed: 16.83 km/s
  • Aphelion Distance: 3.65 AU
  • Perihelion Distance: 2.60 AU

Map Comparison

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Orbit Simulation

Sky Map

The position of Hyogo 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.