Key Facts

Overview

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

Bistro orbits the sun every 1,390 days (3.81 years), coming as close as 2.21 AU and reaching as far as 2.66 AU from the sun. Bistro is about 11.0 kilometers in diameter, making it larger than 99% of asteroids, comparable in size to the city of Boston.

The rotation of Bistro has been observed. It completes a rotation on its axis every 95.67 hours.

Bistro's spectral type None (Tholen) / Sa (SMASSII) indicates that it is likely to contain and .

No Close Approaches

Bistro's orbit is 1.19 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

Bistro's orbit is determined by observations dating back to Jan. 15, 1975. It was last officially observed on March 18, 2023. The IAU Minor Planet Center records 4,861 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 Bistro:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 2.434 AU
  • Eccentricity: 0.0922
  • Inclination: 14.81°
  • Longitude of Ascending Node: 73.38°
  • Argument of Periapsis: 184.15°
  • Mean Anomaly: 215.29°

Physical Characteristics

  • Diameter: 10.95900 km
  • Magnitude: 12.05
  • Albedo: 0.168
  • Spectral type (SMASS): Sa

Derived Characteristics

  • Orbit Period: 1,390 days (3.81 years)
  • Avg. Orbit Speed: 19.05 km/s
  • Aphelion Distance: 2.66 AU
  • Perihelion Distance: 2.21 AU
  • Rotation Period: 95.67 hours
  • Approx. Composition: and .

Map Comparison

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Orbit Simulation

Sky Map

The position of Bistro 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.