162854 (2001 DE47)

Small Amor-class Asteroid

Near-Earth
Space Reference » Amor-class Asteroids » 162854 (2001 DE47)

Key Facts

Overview

162854 (2001 DE47) is a small asteroid whose orbit approaches the orbit of Earth but does not cross it. NASA JPL has classified 2001 DE47 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.

2001 DE47 orbits the sun every 556 days (1.52 years), coming as close as 1.13 AU and reaching as far as 1.52 AU from the sun. Based on its brightness and the way it reflects light, 2001 DE47 is probably between 0.393 to 0.879 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.

No Close Approaches

2001 DE47's orbit is 0.21 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.

Orbital simulations conducted by NASA JPL's CNEOS do not show any close approaches to Earth.

Images and Observations

2001 DE47's orbit is determined by observations dating back to Feb. 16, 2001. It was last officially observed on July 6, 2021. The IAU Minor Planet Center records 176 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 DE47:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 1.323 AU
  • Eccentricity: 0.1493
  • Inclination: 21.27°
  • Longitude of Ascending Node: 122.41°
  • Argument of Periapsis: 297.75°
  • Mean Anomaly: 0.25°

Physical Characteristics

  • Diameter: ~0.508 km
  • Magnitude: 19.15

Derived Characteristics

  • Orbit Period: 556 days (1.52 years)
  • Avg. Orbit Speed: 25.89 km/s
  • Aphelion Distance: 1.52 AU
  • Perihelion Distance: 1.13 AU

Map Comparison

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Orbit Simulation

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Sky Map

The position of 162854 (2001 DE47) 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 2001 DE47 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.