Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to the Golden Gate Bridge (1.00 km diameter)
  • Will pass within 8,770,831 km of Earth in 2043
  • Classified as a Near Earth Asteroid (NEA)
  • Classified as a Potentially Hazardous Asteroid (PHA)
  • See orbit simulation

Overview

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

Icarus orbits the sun every 409 days (1.12 years), coming as close as 0.19 AU and reaching as far as 1.97 AU from the sun. Its orbit is highly elliptical. Icarus is about 1.0 kilometers in diameter, making it a small to average asteroid, comparable in size to the Golden Gate Bridge.

The rotation of Icarus has been observed. It completes a rotation on its axis every 2.27 days.

Close Approaches

Icarus's orbit is 0.03 AU from Earth's orbit at its closest point. This means that there is an wide berth between this asteroid and Earth at all times.

Icarus has 10 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
June 13, 2043 8,770,831 27.709
June 18, 2062 12,476,993 31.275
June 10, 2071 26,844,988 24.451
June 14, 2090 6,513,062 28.170
June 19, 2109 14,792,403 31.789
June 11, 2118 24,249,758 24.850
June 15, 2137 5,918,131 28.266
June 18, 2156 10,524,222 30.944
June 23, 2175 25,758,715 34.130
June 13, 2184 16,003,329 26.255

Images and Observations

Icarus's orbit is determined by observations dating back to July 1, 1949. It was last officially observed on July 27, 2019. The IAU Minor Planet Center records 1,008 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 Icarus:

References

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Orbital Elements

  • Epoch: 2458600.5 JD
  • Semi-major axis: 1.0780946077 AU
  • Eccentricity: 0.826927767034
  • Inclination: 22.8264943661°
  • Longitude of Ascending Node: 88.0047238825°
  • Argument of Periapsis: 31.3808213444°
  • Mean Anomaly: 199.925955154°

Physical Characteristics

  • Diameter: 1.00000 km
  • Magnitude: 16.9
  • Albedo: 0.51

Derived Characteristics

  • Orbit Period: 409 days (1.12 years)
  • Avg. Orbit Speed: 28.69 km/s
  • Aphelion Distance: 1.97 AU
  • Perihelion Distance: 0.19 AU
  • Rotation Period: 2.27 days

Size Comparison

Orbit Simulation

Sky Map

The position of Icarus 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.