153267 (2001 CB32)

Small Apollo-class Asteroid

Near-Earth
Space Reference » Apollo-class Asteroids » 153267 (2001 CB32)

Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to the Golden Gate Bridge
  • Will pass within 25,000,957 km of Earth in 2043
  • Classified as a Near Earth Asteroid (NEA)
  • Not a Potentially Hazardous Object
  • See orbit simulation

Overview

153267 (2001 CB32) is a small asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified 2001 CB32 as a "Near Earth Asteroid" due to its orbit's proximity to Earth, but it is not considered potentially hazardous because computer simulations have not indicated any imminent likelihood of future collision.

2001 CB32 orbits the sun every 869 days (2.38 years), coming as close as 0.69 AU and reaching as far as 2.88 AU from the sun. Based on its brightness and the way it reflects light, 2001 CB32 is probably between 0.699 to 1.563 kilometers in diameter, making it larger than ~97% of asteroids but small compared to large asteroids, very roughly comparable in size to the Golden Gate Bridge.

Close Approaches

2001 CB32's orbit is 0.12 AU from Earth's orbit at its closest point. This means that there is a wide berth between this asteroid and Earth at all times.

2001 CB32 has 7 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
Aug. 21, 2043 25,000,957 15.575
Jan. 19, 2070 17,968,349 16.951
Aug. 19, 2112 24,331,301 16.833
Jan. 4, 2139 26,618,425 14.082
Jan. 17, 2158 19,071,873 15.879
Jan. 25, 2177 20,716,614 18.823
Jan. 31, 2196 28,041,228 21.071

Images and Observations

2001 CB32's orbit is determined by observations dating back to Jan. 16, 1994. It was last officially observed on June 12, 2021. The IAU Minor Planet Center records 301 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 CB32:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 1.782 AU
  • Eccentricity: 0.614
  • Inclination: 9.68°
  • Longitude of Ascending Node: 75.54°
  • Argument of Periapsis: 330.5°
  • Mean Anomaly: 201.95°

Physical Characteristics

  • Diameter: ~0.903 km
  • Magnitude: 17.9

Derived Characteristics

  • Orbit Period: 869 days (2.38 years)
  • Avg. Orbit Speed: 22.31 km/s
  • Aphelion Distance: 2.88 AU
  • Perihelion Distance: 0.69 AU

Map Comparison

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Orbit Simulation

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Sky Map

The position of 153267 (2001 CB32) 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 CB32 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.