Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to a school bus or smaller
  • Will pass within 28,128,339 km of Earth in 2024
  • Classified as a Near Earth Asteroid (NEA)
  • Not a Potentially Hazardous Object
  • See orbit simulation

Overview

2013 AH53 is a very small asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified 2013 AH53 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.

2013 AH53 orbits the sun every 730 days (2.00 years), coming as close as 0.84 AU and reaching as far as 2.33 AU from the sun. Based on its brightness and the way it reflects light, 2013 AH53 is probably between 0.019 to 0.043 kilometers in diameter, making it a small to average asteroid, very roughly comparable in size to a school bus or smaller.

Close Approaches

2013 AH53's orbit is 0.00 AU from Earth's orbit at its closest point. This means that its orbit is relatively close to Earth's orbit.

2013 AH53 has 9 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
Nov. 3, 2024 28,128,339 9.610
Oct. 18, 2026 27,485,174 9.140
Sept. 29, 2028 24,594,831 8.673
Sept. 16, 2030 20,720,833 9.541
Sept. 7, 2032 18,382,313 11.248
Sept. 2, 2034 20,239,202 13.160
Aug. 28, 2036 26,236,929 15.157
Jan. 10, 2182 2,095,196 12.243
Jan. 20, 2188 21,670,253 16.015

Images and Observations

2013 AH53's orbit is determined by observations dating back to Jan. 9, 2013. It was last officially observed on Jan. 14, 2013. The IAU Minor Planet Center records 21 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 2013 AH53:

References

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Orbital Elements

  • Epoch: 2456304.5 JD
  • Semi-major axis: 1.586 AU
  • Eccentricity: 0.4704
  • Inclination: 7.92°
  • Longitude of Ascending Node: 105.42°
  • Argument of Periapsis: 304.04°
  • Mean Anomaly: 23.03°

Physical Characteristics

  • Diameter: ~0.025 km
  • Magnitude: 25.7

Derived Characteristics

  • Orbit Period: 730 days (2.00 years)
  • Avg. Orbit Speed: 23.64 km/s
  • Aphelion Distance: 2.33 AU
  • Perihelion Distance: 0.84 AU

Map Comparison

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Orbit Simulation

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Sky Map

The position of 2013 AH53 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.