612358 (2002 JE9)

Very small Apollo-class Asteroid

Near-Earth Potentially Hazardous
Space Reference » Apollo-class Asteroids » 612358 (2002 JE9)

Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to a football field
  • Will pass within 11,650,097 km of Earth in 2020
  • Classified as a Near Earth Asteroid (NEA)
  • Classified as a Potentially Hazardous Asteroid (PHA)
  • See orbit simulation

Overview

612358 (2002 JE9) is a very small asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified 2002 JE9 as a "Potentially Hazardous Asteroid" due to its predicted close pass(es) with Earth.

2002 JE9 orbits the sun every 402 days (1.10 years), coming as close as 0.62 AU and reaching as far as 1.51 AU from the sun. Based on its brightness and the way it reflects light, 2002 JE9 is probably between 0.139 to 0.312 kilometers in diameter, making it a small to average asteroid, very roughly comparable in size to a football field.

Close Approaches

2002 JE9'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.

2002 JE9 has 26 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
Sept. 13, 2020 11,650,097 13.388
April 7, 2023 23,782,301 8.842
Sept. 17, 2031 12,605,471 11.997
April 8, 2034 18,570,188 9.707
Sept. 19, 2042 15,779,935 10.995
April 8, 2045 15,201,774 10.289
Sept. 17, 2053 12,712,068 11.933
April 7, 2056 20,717,146 9.341
Sept. 16, 2064 11,902,624 12.314
April 8, 2067 22,013,484 9.133
Sept. 16, 2075 11,732,561 12.413
April 7, 2078 22,427,733 9.069
Sept. 14, 2086 11,376,258 13.272
April 8, 2089 28,916,212 8.111
Sept. 8, 2097 21,339,288 16.434
April 14, 2112 2,341,008 13.399
Sept. 25, 2120 22,942,498 9.407
April 12, 2123 5,510,157 12.064
Sept. 21, 2131 15,827,621 10.932
April 10, 2134 15,915,204 10.166
Sept. 17, 2142 11,334,630 12.553
April 8, 2145 25,290,676 8.599
Sept. 13, 2153 12,849,747 14.255
Sept. 9, 2164 22,129,134 16.669
April 22, 2179 28,867,100 18.597
April 19, 2190 16,524,914 16.193

Images and Observations

2002 JE9's orbit is determined by observations dating back to May 30, 2001. It was last officially observed on May 24, 2023. The IAU Minor Planet Center records 248 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 2002 JE9:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 1.066 AU
  • Eccentricity: 0.4165
  • Inclination: 8.77°
  • Longitude of Ascending Node: 199.83°
  • Argument of Periapsis: 255.89°
  • Mean Anomaly: 203.44°

Physical Characteristics

  • Diameter: ~0.180 km
  • Magnitude: 21.4

Derived Characteristics

  • Orbit Period: 402 days (1.10 years)
  • Avg. Orbit Speed: 28.85 km/s
  • Aphelion Distance: 1.51 AU
  • Perihelion Distance: 0.62 AU

Map Comparison

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Orbit Simulation

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Sky Map

The position of 612358 (2002 JE9) 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 2002 JE9 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.