Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to the island of Manhattan (3.40 km diameter)
  • Will pass within 12,917,966 km of Earth in 2032
  • Classified as a Near Earth Asteroid (NEA)
  • Classified as a Potentially Hazardous Asteroid (PHA)
  • See orbit simulation

Overview

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

Midas orbits the sun every 865 days (2.37 years), coming as close as 0.62 AU and reaching as far as 2.93 AU from the sun. Midas is about 3.4 kilometers in diameter, making it larger than most asteroids, comparable in size to the island of Manhattan.

The rotation of Midas has been observed. It completes a rotation on its axis every 5.22 days.

Midas's spectral type (Tholen) / V (SMASSII) indicates that it is likely to contain magnesium silicate and iron silicate.

Close Approaches

Midas'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.

Midas has 9 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
Sept. 14, 2032 12,917,966 26.418
Sept. 23, 2058 17,940,782 30.665
March 14, 2063 12,340,137 30.154
March 20, 2089 10,820,249 26.846
Sept. 14, 2103 20,011,791 25.449
Sept. 20, 2129 7,250,577 28.967
March 11, 2134 22,765,131 31.768
March 21, 2160 10,795,591 26.846
Sept. 15, 2174 13,770,280 26.269

Images and Observations

Midas's orbit is determined by observations dating back to March 6, 1973. It was last officially observed on Jan. 25, 2019. The IAU Minor Planet Center records 910 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 Midas:

References

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Orbital Elements

  • Epoch: 2458600.5 JD
  • Semi-major axis: 1.77659953813 AU
  • Eccentricity: 0.65035341791
  • Inclination: 39.8268958687°
  • Longitude of Ascending Node: 356.886302134°
  • Argument of Periapsis: 267.797739888°
  • Mean Anomaly: 146.26871196°

Physical Characteristics

  • Diameter: 3.40000 km
  • Magnitude: 15.2
  • Spectral type (SMASS): V

Derived Characteristics

  • Orbit Period: 865 days (2.37 years)
  • Avg. Orbit Speed: 22.35 km/s
  • Aphelion Distance: 2.93 AU
  • Perihelion Distance: 0.62 AU
  • Rotation Period: 5.22 days
  • Approx. Composition: magnesium silicate and iron silicate.

Size Comparison

Orbit Simulation

Sky Map

The position of Midas 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.