Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to a football field
  • Will pass within 6,661,557 km of Earth in 2020
  • Classified as a Near Earth Asteroid (NEA)
  • Classified as a Potentially Hazardous Asteroid (PHA)
  • See orbit simulation

Overview

2012 XA133 is a very small asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified 2012 XA133 as a "Potentially Hazardous Asteroid" due to its predicted close pass(es) with Earth.

2012 XA133 orbits the sun every 559 days (1.53 years), coming as close as 0.40 AU and reaching as far as 2.25 AU from the sun. Based on its brightness and the way it reflects light, 2012 XA133 is probably between 0.176 to 0.393 kilometers in diameter, making it a small to average asteroid, very roughly comparable in size to a football field.

Close Approaches

2012 XA133's orbit is 0.02 AU from Earth's orbit at its closest point. This means that there is an wide berth between this asteroid and Earth at all times.

2012 XA133 has 15 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
March 27, 2020 6,661,557 23.666
Nov. 17, 2038 21,068,234 19.434
April 2, 2046 20,413,390 19.777
Nov. 22, 2064 3,748,953 24.094
March 25, 2069 12,219,128 25.672
Nov. 19, 2087 15,848,234 20.458
April 4, 2095 25,909,611 18.652
Nov. 28, 2113 17,475,109 27.084
March 30, 2118 7,414,372 22.789
Nov. 24, 2136 4,744,895 24.325
March 27, 2141 8,642,376 24.800
Nov. 26, 2159 5,982,092 24.607
March 28, 2164 6,474,298 24.003
Nov. 26, 2182 7,916,667 25.048
March 30, 2187 6,286,289 23.954

Images and Observations

2012 XA133's orbit is determined by observations dating back to Dec. 11, 2012. It was last officially observed on March 19, 2020. The IAU Minor Planet Center records 75 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 2012 XA133:

References

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Orbital Elements

  • Epoch: 2459000.5 JD
  • Semi-major axis: 1.328 AU
  • Eccentricity: 0.6978
  • Inclination: 4.06°
  • Longitude of Ascending Node: 225.61°
  • Argument of Periapsis: 77.95°
  • Mean Anomaly: 10.2°

Physical Characteristics

  • Diameter: ~0.227 km
  • Magnitude: 20.9

Derived Characteristics

  • Orbit Period: 559 days (1.53 years)
  • Avg. Orbit Speed: 25.85 km/s
  • Aphelion Distance: 2.25 AU
  • Perihelion Distance: 0.40 AU

Map Comparison

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Orbit Simulation

Sky Map

The position of 2012 XA133 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 2012 XA133 to create an approximate landscape rendering. The approximation is built for full-resolution desktop browsers. Shape, color, and texture of asteroid are imagined.