Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to the Golden Gate Bridge
  • Will pass within 12,191,632 km of Earth in 2021
  • Classified as a Near Earth Asteroid (NEA)
  • Classified as a Potentially Hazardous Asteroid (PHA)
  • See orbit simulation

Overview

2001 EC is a small asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified 2001 EC as a "Potentially Hazardous Asteroid" due to its predicted close pass(es) with Earth.

2001 EC orbits the sun every 1,530 days (4.19 years), coming as close as 0.61 AU and reaching as far as 4.59 AU from the sun. Its orbit is highly elliptical. Based on its brightness and the way it reflects light, 2001 EC is probably between 0.495 to 1.107 kilometers in diameter, making it larger than ~97% of asteroids but small compared to large asteroids, very roughly comparable in size to the Golden Gate Bridge.

2001 EC's spectral type None (Tholen) / Sq (SMASSII) indicates that it is likely to contain and .

Close Approaches

2001 EC's orbit is 0.00 AU from Earth's orbit at its closest point. This means that its orbit is relatively close to Earth's orbit.

2001 EC has 9 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
Sept. 15, 2021 12,191,632 19.031
Feb. 18, 2026 12,327,588 19.018
Sept. 5, 2042 13,046,283 23.862
Feb. 10, 2047 24,124,837 16.519
Sept. 2, 2063 20,852,998 25.483
March 8, 2097 28,490,973 27.224
Sept. 18, 2113 9,922,057 19.280
Feb. 26, 2118 2,870,963 21.602
Sept. 5, 2155 14,599,226 25.060

Images and Observations

2001 EC's orbit is determined by observations dating back to March 3, 2001. It was last officially observed on Sept. 7, 2021. The IAU Minor Planet Center records 424 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 2001 EC:

References

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Orbital Elements

  • Epoch: 2459396.5 JD
  • Semi-major axis: 2.598 AU
  • Eccentricity: 0.765
  • Inclination: 0.61°
  • Longitude of Ascending Node: 316.1°
  • Argument of Periapsis: 115.71°
  • Mean Anomaly: 331.65°

Physical Characteristics

  • Diameter: ~0.639 km
  • Magnitude: 18.65
  • Spectral type (SMASS): Sq

Derived Characteristics

  • Orbit Period: 1,530 days (4.19 years)
  • Avg. Orbit Speed: 18.47 km/s
  • Aphelion Distance: 4.59 AU
  • Perihelion Distance: 0.61 AU
  • Approx. Composition: and .

Map Comparison

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Orbit Simulation

Sky Map

The position of 2001 EC 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 above comparison is an artistic rendering that uses available data on the diameter of 2001 EC to create an approximate landscape rendering with Mount Everest in the background. This approximation is built for full-resolution desktop browsers. Shape, color, and texture of asteroid are imagined.