Key Facts

  • Categorized as a Jupiter Trojan
  • Comparable in size to the U.S. state of Rhode Island (68.73 km diameter)
  • Not a Near Earth Object
  • Not a Potentially Hazardous Object
  • See orbit simulation

Overview

4035 (1986 WD) is a large asteroid that shares Jupiter's orbit around the sun. NASA JPL has not classified 1986 WD as potentially hazardous because its orbit does not bring it close to Earth.

1986 WD orbits the sun every 4,430 days (12.13 years), coming as close as 4.98 AU and reaching as far as 5.58 AU from the sun. 1986 WD is about 68.7 kilometers in diameter, making it larger than 99% of asteroids, comparable in size to the U.S. state of Rhode Island.

The rotation of 1986 WD has been observed. It completes a rotation on its axis every 13.47 days.

No Close Approaches

1986 WD's orbit is 4.00 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

1986 WD's orbit is determined by observations dating back to Sept. 27, 1973. It was last officially observed on June 17, 2020. The IAU Minor Planet Center records 1,720 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 1986 WD:

References

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Orbital Elements

  • Epoch: 2459000.5 JD
  • Semi-major axis: 5.283 AU
  • Eccentricity: 0.057
  • Inclination: 12.13°
  • Longitude of Ascending Node: 233.72°
  • Argument of Periapsis: 197.57°
  • Mean Anomaly: 278.29°

Physical Characteristics

  • Diameter: 68.73300 km
  • Magnitude: 9.6
  • Albedo: 0.054

Derived Characteristics

  • Orbit Period: 4,430 days (12.13 years)
  • Avg. Orbit Speed: 12.97 km/s
  • Aphelion Distance: 5.58 AU
  • Perihelion Distance: 4.98 AU
  • Rotation Period: 13.47 hours

Map Comparison

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Orbit Simulation

Sky Map

The position of 4035 (1986 WD) 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.