Key Facts

Overview

Milani is a large asteroid orbiting between Mars and Jupiter in the main portion of the asteroid belt. NASA JPL has not classified Milani as potentially hazardous because its orbit does not bring it close to Earth.

Milani orbits the sun every 1,620 days (4.44 years), coming as close as 2.33 AU and reaching as far as 3.08 AU from the sun. Milani is about 14.5 kilometers in diameter, making it larger than 99% of asteroids, comparable in size to the city of Cleveland, Ohio.

Milani's spectral type None (Tholen) / Xe (SMASSII) indicates that it is likely to contain iron, nickel, and cobalt.

No Close Approaches

Milani's orbit is 1.34 AU from Earth's orbit at its closest point. This means that there is an extremely 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

Milani's orbit is determined by observations dating back to June 30, 1954. It was last officially observed on May 7, 2023. The IAU Minor Planet Center records 3,403 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 Milani:

References

Search

   or view a random object

Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 2.705 AU
  • Eccentricity: 0.1384
  • Inclination: 3.67°
  • Longitude of Ascending Node: 104.6°
  • Argument of Periapsis: 287.72°
  • Mean Anomaly: 114.63°

Physical Characteristics

  • Diameter: 14.46200 km
  • Magnitude: 13.29
  • Albedo: 0.046
  • Spectral type (SMASS): Xe

Derived Characteristics

  • Orbit Period: 1,620 days (4.44 years)
  • Avg. Orbit Speed: 18.17 km/s
  • Aphelion Distance: 3.08 AU
  • Perihelion Distance: 2.33 AU
  • Approx. Composition: iron, nickel, and cobalt.

Map Comparison

Click to load map

Orbit Simulation

Sky Map

The position of Milani 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.