Key Facts

Overview

2008 WT11 is a mid-sized asteroid with an orbit between Jupiter and Neptune. NASA JPL has not classified 2008 WT11 as potentially hazardous because its orbit does not bring it close to Earth.

2008 WT11 orbits the sun every 11,300 days (30.94 years), coming as close as 3.75 AU and reaching as far as 15.92 AU from the sun. Based on its brightness and the way it reflects light, 2008 WT11 is probably between 3.842 to 8.591 kilometers in diameter, making it larger than 99% of asteroids, very roughly comparable in size to the San Francisco Bay.

No Close Approaches

2008 WT11's orbit is 2.76 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

2008 WT11's orbit is determined by observations dating back to June 17, 2007. It was last officially observed on Jan. 2, 2009. The IAU Minor Planet Center records 32 observations used to determine its orbit.

Accessibility and Exploration

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

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 9.834 AU
  • Eccentricity: 0.6186
  • Inclination: 7.11°
  • Longitude of Ascending Node: 60.9°
  • Argument of Periapsis: 310.28°
  • Mean Anomaly: 181.61°

Physical Characteristics

  • Diameter: ~4.960 km
  • Magnitude: 14.2

Derived Characteristics

  • Orbit Period: 11,300 days (30.94 years)
  • Avg. Orbit Speed: 9.47 km/s
  • Aphelion Distance: 15.92 AU
  • Perihelion Distance: 3.75 AU

Map Comparison

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Orbit Simulation

Sky Map

The position of 2008 WT11 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 2008 WT11 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.