445305 (2010 DM56)

Small Apollo-class Asteroid

Near-Earth Potentially Hazardous
Space Reference » Apollo-class Asteroids » 445305 (2010 DM56)

Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to the Golden Gate Bridge (0.76 km diameter)
  • Will pass within 21,894,013 km of Earth in 2024
  • Classified as a Near Earth Asteroid (NEA)
  • Classified as a Potentially Hazardous Asteroid (PHA)
  • See orbit simulation

Overview

445305 (2010 DM56) is a small asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified 2010 DM56 as a "Potentially Hazardous Asteroid" due to its predicted close pass(es) with Earth.

2010 DM56 orbits the sun every 545 days (1.49 years), coming as close as 0.92 AU and reaching as far as 1.69 AU from the sun. 2010 DM56 is about 0.8 kilometers in diameter, making it larger than ~97% of asteroids but small compared to large asteroids, comparable in size to the Golden Gate Bridge.

Close Approaches

2010 DM56'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.

2010 DM56 has 11 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
Sept. 21, 2024 21,894,013 14.126
Sept. 16, 2027 8,879,540 14.567
Sept. 11, 2030 2,197,433 15.265
Sept. 4, 2033 21,180,223 17.070
Sept. 17, 2094 11,147,017 14.449
Sept. 9, 2097 6,717,254 15.636
Sept. 2, 2100 27,436,623 17.821
Sept. 23, 2155 23,757,306 14.074
Sept. 15, 2158 3,584,237 14.881
Sept. 8, 2161 11,731,065 16.108
Sept. 2, 2164 28,919,541 18.008

Images and Observations

2010 DM56's orbit is determined by observations dating back to Feb. 18, 2010. It was last officially observed on April 6, 2022. The IAU Minor Planet Center records 273 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 2010 DM56:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 1.306 AU
  • Eccentricity: 0.2926
  • Inclination: 25.6°
  • Longitude of Ascending Node: 349.62°
  • Argument of Periapsis: 48.17°
  • Mean Anomaly: 86.57°

Physical Characteristics

  • Diameter: 0.76200 km
  • Magnitude: 19.71
  • Albedo: 0.025

Derived Characteristics

  • Orbit Period: 545 days (1.49 years)
  • Avg. Orbit Speed: 26.07 km/s
  • Aphelion Distance: 1.69 AU
  • Perihelion Distance: 0.92 AU

Map Comparison

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Orbit Simulation

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Sky Map

The position of 445305 (2010 DM56) 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 2010 DM56 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.