423321 (2005 ED318)

Very small Amor-class Asteroid

Near-Earth Potentially Hazardous
Space Reference » Amor-class Asteroids » 423321 (2005 ED318)

Key Facts

  • Categorized as a Amor-class Asteroid
  • Comparable in size to a football field (0.20 km diameter)
  • Will pass within 12,179,648 km of Earth in 2078
  • Classified as a Near Earth Asteroid (NEA)
  • Classified as a Potentially Hazardous Asteroid (PHA)
  • See orbit simulation

Overview

423321 (2005 ED318) is a very small asteroid whose orbit approaches the orbit of Earth but does not cross it. NASA JPL has classified 2005 ED318 as a "Potentially Hazardous Asteroid" due to its predicted close pass(es) with Earth.

2005 ED318 orbits the sun every 920 days (2.52 years), coming as close as 1.02 AU and reaching as far as 2.68 AU from the sun. 2005 ED318 is about 0.2 kilometers in diameter, making it a small to average asteroid, comparable in size to a football field.

The rotation of 2005 ED318 has been observed. It completes a rotation on its axis every 17.16 hours.

Close Approaches

2005 ED318's orbit is 0.01 AU from Earth's orbit at its closest point. This means that its orbit is relatively close to Earth's orbit.

2005 ED318 has 7 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
April 29, 2078 12,179,648 8.650
June 2, 2083 1,324,156 6.376
June 17, 2088 3,543,595 6.883
July 13, 2093 27,919,292 12.097
April 24, 2156 20,542,451 10.480
May 26, 2161 2,180,381 6.401
June 14, 2166 1,704,681 6.626

Images and Observations

2005 ED318's orbit is determined by observations dating back to Feb. 12, 2000. It was last officially observed on Jan. 26, 2020. The IAU Minor Planet Center records 615 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 2005 ED318:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 1.851 AU
  • Eccentricity: 0.4493
  • Inclination: 2.39°
  • Longitude of Ascending Node: 82.05°
  • Argument of Periapsis: 164.23°
  • Mean Anomaly: 99.15°

Physical Characteristics

  • Diameter: 0.20200 km
  • Magnitude: 20.9
  • Albedo: 0.212

Derived Characteristics

  • Orbit Period: 920 days (2.52 years)
  • Avg. Orbit Speed: 21.89 km/s
  • Aphelion Distance: 2.68 AU
  • Perihelion Distance: 1.02 AU
  • Rotation Period: 17.16 hours

Map Comparison

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Orbit Simulation

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Sky Map

The position of 423321 (2005 ED318) 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 below comparison is an artistic rendering that uses available data on the diameter of 2005 ED318 to create an approximate landscape rendering with New York City in the background. This approximation is built for full-resolution desktop browsers. Shape, color, and texture of asteroid are imagined.