Key Facts

Overview

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

Dafydd orbits the sun every 1,800 days (4.93 years), coming as close as 2.23 AU and reaching as far as 3.55 AU from the sun. Dafydd is about 10.8 kilometers in diameter, making it larger than 99% of asteroids, comparable in size to the city of Boston.

The rotation of Dafydd has been observed. It completes a rotation on its axis every 13.55 hours.

No Close Approaches

Dafydd's orbit is 1.28 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

Dafydd's orbit is determined by observations dating back to July 25, 1990. It was last officially observed on May 26, 2023. The IAU Minor Planet Center records 2,410 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 Dafydd:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 2.892 AU
  • Eccentricity: 0.2284
  • Inclination: 16.36°
  • Longitude of Ascending Node: 281.79°
  • Argument of Periapsis: 70.06°
  • Mean Anomaly: 239.26°

Physical Characteristics

  • Diameter: 10.77100 km
  • Magnitude: 13.8
  • Albedo: 0.061

Derived Characteristics

  • Orbit Period: 1,800 days (4.93 years)
  • Avg. Orbit Speed: 17.48 km/s
  • Aphelion Distance: 3.55 AU
  • Perihelion Distance: 2.23 AU
  • Rotation Period: 13.55 hours

Map Comparison

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Orbit Simulation

Sky Map

The position of Dafydd 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.