280021 (2001 WG13)

Mid-sized Main-belt Asteroid

Space Reference » Main-belt Asteroids » 280021 (2001 WG13)

Key Facts

Overview

280021 (2001 WG13) is a mid-sized asteroid orbiting between Mars and Jupiter in the main portion of the asteroid belt. NASA JPL has not classified 2001 WG13 as potentially hazardous because its orbit does not bring it close to Earth.

2001 WG13 orbits the sun every 1,350 days (3.70 years), coming as close as 2.02 AU and reaching as far as 2.75 AU from the sun. Based on its brightness and the way it reflects light, 2001 WG13 is probably between 0.997 to 2.229 kilometers in diameter, making it larger than 99% of asteroids, very roughly comparable in size to the U.S. Pentagon.

No Close Approaches

2001 WG13's orbit is 1.02 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

2001 WG13's orbit is determined by observations dating back to Oct. 19, 2001. It was last officially observed on June 2, 2022. The IAU Minor Planet Center records 276 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 2001 WG13:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 2.385 AU
  • Eccentricity: 0.1528
  • Inclination: 5.1°
  • Longitude of Ascending Node: 74.77°
  • Argument of Periapsis: 271.07°
  • Mean Anomaly: 23.17°

Physical Characteristics

  • Diameter: ~1.287 km
  • Magnitude: 17.13

Derived Characteristics

  • Orbit Period: 1,350 days (3.70 years)
  • Avg. Orbit Speed: 19.22 km/s
  • Aphelion Distance: 2.75 AU
  • Perihelion Distance: 2.02 AU

Map Comparison

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Orbit Simulation

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Sky Map

The position of 280021 (2001 WG13) 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.

Size Rendering

The above comparison is an artistic rendering that uses available data on the diameter of 2001 WG13 to create an approximate landscape rendering with Mount Everest in the background. This approximation is built for full-resolution desktop browsers. Shape, color, and texture of asteroid are imagined.