2005 DD

Very small Apollo-class Asteroid

Near-Earth Potentially Hazardous
Space Reference » Apollo-class Asteroids » 2005 DD

Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to a football field
  • Will pass within 8,192,247 km of Earth in 2039
  • Classified as a Near Earth Asteroid (NEA)
  • Classified as a Potentially Hazardous Asteroid (PHA)
  • See orbit simulation

Overview

2005 DD is a very small asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified 2005 DD as a "Potentially Hazardous Asteroid" due to its predicted close pass(es) with Earth.

2005 DD orbits the sun every 982 days (2.69 years), coming as close as 0.84 AU and reaching as far as 3.03 AU from the sun. Based on its brightness and the way it reflects light, 2005 DD is probably between 0.232 to 0.518 kilometers in diameter, making it a small to average asteroid, very roughly comparable in size to a football field.

Close Approaches

2005 DD's orbit is 0.03 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.

2005 DD has 10 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
Sept. 9, 2039 8,192,247 14.732
Nov. 13, 2047 28,582,501 10.834
Jan. 15, 2056 20,227,152 15.989
Sept. 6, 2082 14,390,871 16.064
Nov. 3, 2090 27,840,287 10.766
Jan. 11, 2099 14,988,296 14.071
Oct. 4, 2133 18,959,646 10.462
Dec. 29, 2141 18,924,405 10.753
Sept. 21, 2176 9,949,576 11.938
Dec. 22, 2184 22,150,747 10.228

Images and Observations

2005 DD's orbit is determined by observations dating back to Feb. 16, 2005. It was last officially observed on March 3, 2013. The IAU Minor Planet Center records 88 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 2005 DD:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 1.934 AU
  • Eccentricity: 0.5682
  • Inclination: 7.33°
  • Longitude of Ascending Node: 157.15°
  • Argument of Periapsis: 252.29°
  • Mean Anomaly: 4.05°

Physical Characteristics

  • Diameter: ~0.299 km
  • Magnitude: 20.3

Derived Characteristics

  • Orbit Period: 982 days (2.69 years)
  • Avg. Orbit Speed: 21.43 km/s
  • Aphelion Distance: 3.03 AU
  • Perihelion Distance: 0.84 AU

Map Comparison

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Orbit Simulation

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Sky Map

The position of 2005 DD 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 2005 DD 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.