279816 (2000 JE5)

Very small Apollo-class Asteroid

Near-Earth Potentially Hazardous
Space Reference » Apollo-class Asteroids » 279816 (2000 JE5)

Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to the U.S. Capitol building
  • Will pass within 23,663,914 km of Earth in 2029
  • Classified as a Near Earth Asteroid (NEA)
  • Classified as a Potentially Hazardous Asteroid (PHA)
  • See orbit simulation

Overview

279816 (2000 JE5) is a very small asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified 2000 JE5 as a "Potentially Hazardous Asteroid" due to its predicted close pass(es) with Earth.

2000 JE5 orbits the sun every 503 days (1.38 years), coming as close as 0.74 AU and reaching as far as 1.73 AU from the sun. Based on its brightness and the way it reflects light, 2000 JE5 is probably between 0.372 to 0.832 kilometers in diameter, making it larger than 90% of asteroids but tiny compared to large asteroids, very roughly comparable in size to the U.S. Capitol building.

Close Approaches

2000 JE5's orbit is 0.05 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.

2000 JE5 has 18 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
May 2, 2029 23,663,914 28.380
May 5, 2040 20,217,861 26.681
Oct. 30, 2044 19,481,630 27.736
May 8, 2051 29,421,844 25.396
Nov. 5, 2055 6,840,752 29.104
Nov. 10, 2066 19,475,704 30.889
May 2, 2091 24,571,986 28.549
May 6, 2102 19,843,352 26.836
Oct. 31, 2106 20,903,395 27.627
May 9, 2113 28,193,384 25.510
Nov. 5, 2117 6,830,252 28.993
Nov. 10, 2128 17,552,031 30.662
May 2, 2153 26,449,467 28.868
May 5, 2164 19,605,080 27.122
Oct. 30, 2168 24,202,826 27.398
May 9, 2175 25,764,843 25.749
Nov. 5, 2179 8,145,357 28.684
Nov. 9, 2190 12,963,206 30.137

Images and Observations

2000 JE5's orbit is determined by observations dating back to May 1, 2000. It was last officially observed on Nov. 6, 2022. The IAU Minor Planet Center records 188 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 2000 JE5:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 1.238 AU
  • Eccentricity: 0.4005
  • Inclination: 50.74°
  • Longitude of Ascending Node: 41.23°
  • Argument of Periapsis: 285.17°
  • Mean Anomaly: 275.85°

Physical Characteristics

  • Diameter: ~0.480 km
  • Magnitude: 19.27

Derived Characteristics

  • Orbit Period: 503 days (1.38 years)
  • Avg. Orbit Speed: 26.78 km/s
  • Aphelion Distance: 1.73 AU
  • Perihelion Distance: 0.74 AU

Map Comparison

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Orbit Simulation

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Sky Map

The position of 279816 (2000 JE5) 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 2000 JE5 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.