Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to the island of Manhattan
  • Will pass within 28,488,070 km of Earth in 2023
  • Classified as a Near Earth Asteroid (NEA)
  • Classified as a Potentially Hazardous Asteroid (PHA)
  • See orbit simulation

Overview

138175 (2000 EE104) is a mid-sized asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified 2000 EE104 as a "Potentially Hazardous Asteroid" due to its predicted close pass(es) with Earth.

2000 EE104 orbits the sun every 368 days (1.01 years), coming as close as 0.71 AU and reaching as far as 1.30 AU from the sun. Based on its brightness and the way it reflects light, 2000 EE104 is probably between 1.450 to 6.470 kilometers in diameter, making it larger than 99% of asteroids, very roughly comparable in size to the island of Manhattan.

Close Approaches

2000 EE104'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.

2000 EE104 has 29 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
Oct. 15, 2023 28,488,070 5.871
Nov. 22, 2023 28,517,951 5.535
Nov. 6, 2024 23,416,408 5.442
Nov. 6, 2025 18,284,788 6.370
Nov. 8, 2026 13,672,954 7.275
Nov. 9, 2027 10,393,339 7.987
Nov. 9, 2028 7,836,903 8.593
Nov. 10, 2029 6,226,032 9.150
Nov. 11, 2030 5,612,448 9.607
Nov. 12, 2031 6,073,993 10.124
Nov. 12, 2032 8,014,135 10.802
Nov. 14, 2033 11,412,923 11.613
Nov. 15, 2034 15,798,221 12.602
Nov. 17, 2035 21,322,345 13.749
Nov. 18, 2036 27,258,460 14.993
April 5, 2145 26,442,225 14.874
April 7, 2146 21,026,011 13.811
April 8, 2147 15,862,252 12.763
April 9, 2148 11,173,492 11.856
April 10, 2149 8,075,080 11.222
April 10, 2150 5,934,986 10.805
April 11, 2151 5,159,658 10.669
April 10, 2152 5,952,808 10.803
April 10, 2153 8,105,651 11.234
April 9, 2154 11,155,010 11.839
April 9, 2155 14,795,628 12.542
April 7, 2156 18,929,711 13.375
April 6, 2157 24,114,032 14.408
April 4, 2158 29,527,391 15.475

Images and Observations

2000 EE104's orbit is determined by observations dating back to March 11, 2000. It was last officially observed on Jan. 31, 2020. The IAU Minor Planet Center records 1,001 observations used to determine its orbit.

Accessibility and Exploration

2000 EE104 can be reached with a journey of 426 days. This trajectory would require a delta-v of 10.028 km/s. To put this into perspective, the delta-v to launch a rocket to Low-Earth Orbit is 9.7 km/s. There are 22,744 potential trajectories and launch windows to this asteroid.

See more at the NHATS Mission Trajectories table for 2000 EE104.

Similar Objects

These objects have orbits that share similar characteristics to the orbit of 2000 EE104:

References

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Orbital Elements

  • Epoch: 2459000.5 JD
  • Semi-major axis: 1.004 AU
  • Eccentricity: 0.2931
  • Inclination: 5.24°
  • Longitude of Ascending Node: 25.57°
  • Argument of Periapsis: 280.96°
  • Mean Anomaly: 285.06°

Physical Characteristics

  • Diameter: ~3.960 km
  • Magnitude: 20.4

Derived Characteristics

  • Orbit Period: 368 days (1.01 years)
  • Avg. Orbit Speed: 29.68 km/s
  • Aphelion Distance: 1.30 AU
  • Perihelion Distance: 0.71 AU

Size Comparison

Orbit Simulation

Sky Map

The position of 138175 (2000 EE104) 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.