Key Facts

  • Categorized as a Aten-class Asteroid
  • Comparable in size to a school bus or smaller
  • Will pass within 6,872,899 km of Earth in 2021
  • Classified as a Near Earth Asteroid (NEA)
  • Not a Potentially Hazardous Object
  • See orbit simulation

Overview

2015 EQ is a very small asteroid whose orbit could bring it in close proximity to Earth. NASA JPL has classified 2015 EQ 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.

2015 EQ orbits the sun every 200 days (0.55 years), coming as close as 0.33 AU and reaching as far as 1.01 AU from the sun. Based on its brightness and the way it reflects light, 2015 EQ is probably between 0.016 to 0.036 kilometers in diameter, making it a small to average asteroid, very roughly comparable in size to a school bus or smaller.

Close Approaches

2015 EQ'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.

2015 EQ has 18 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
Feb. 23, 2021 6,872,899 10.519
March 22, 2026 27,576,271 16.282
Feb. 18, 2027 21,755,199 14.284
March 20, 2032 9,017,100 11.824
March 9, 2038 2,066,259 9.931
Feb. 21, 2044 9,595,893 11.191
March 22, 2049 21,726,818 14.840
Feb. 18, 2050 27,753,293 15.786
March 17, 2055 3,692,661 10.658
March 1, 2061 4,311,540 10.003
Feb. 18, 2067 16,121,079 12.882
March 21, 2072 14,159,480 13.009
March 13, 2078 1,467,144 10.162
Feb. 18, 2090 16,364,941 12.950
March 22, 2095 14,698,352 13.129
March 23, 2141 29,167,283 16.632
Feb. 19, 2142 19,356,250 13.758
March 23, 2147 14,441,690 13.055

Images and Observations

2015 EQ's orbit is determined by observations dating back to March 11, 2015. It was last officially observed on March 15, 2015. The IAU Minor Planet Center records 37 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 2015 EQ:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 0.6695 AU
  • Eccentricity: 0.5028
  • Inclination: 8.85°
  • Longitude of Ascending Node: 349.94°
  • Argument of Periapsis: 355.96°
  • Mean Anomaly: 24.34°

Physical Characteristics

  • Diameter: ~0.021 km
  • Magnitude: 26.1

Derived Characteristics

  • Orbit Period: 200 days (0.55 years)
  • Avg. Orbit Speed: 36.42 km/s
  • Aphelion Distance: 1.01 AU
  • Perihelion Distance: 0.33 AU

Map Comparison

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Orbit Simulation

Sky Map

The position of 2015 EQ 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.