Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to the island of Manhattan (3.40 km diameter)
  • Will pass within 19,906,215 km of Earth in 2024
  • Classified as a Near Earth Asteroid (NEA)
  • Not a Potentially Hazardous Object
  • See orbit simulation

Overview

Toro is a mid-sized asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified Toro as a "Near Earth Asteroid" due to its orbit's proximity to Earth, but it is not considered potentially hazardous because computer simulations have not indicated any imminent likelihood of future collision.

Toro orbits the sun every 584 days (1.60 years), coming as close as 0.77 AU and reaching as far as 1.96 AU from the sun. Toro is about 3.4 kilometers in diameter, making it larger than 99% of asteroids, comparable in size to the island of Manhattan.

The rotation of Toro has been observed. It completes a rotation on its axis every 10.20 days.

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

Close Approaches

Toro's orbit is 0.05 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.

Toro has 17 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
Jan. 20, 2024 19,906,215 16.174
Jan. 20, 2032 19,269,315 16.034
Jan. 21, 2040 20,697,836 16.331
Jan. 23, 2048 24,736,739 17.158
Aug. 5, 2076 28,397,148 16.501
Aug. 6, 2084 25,902,778 15.825
Aug. 6, 2092 25,307,761 15.646
Aug. 7, 2100 26,363,537 15.951
Aug. 6, 2108 29,579,090 16.770
Jan. 25, 2128 26,406,163 17.422
Jan. 22, 2136 18,825,527 15.864
Jan. 19, 2144 13,509,906 14.689
Jan. 18, 2152 11,073,578 14.074
Jan. 18, 2160 11,280,211 14.132
Jan. 20, 2168 14,556,905 14.922
Jan. 23, 2176 20,003,623 16.100
Jan. 26, 2184 26,416,571 17.424

Images and Observations

Toro's orbit is determined by observations dating back to July 17, 1948. It was last officially observed on July 3, 2020. The IAU Minor Planet Center records 2,814 observations used to determine its orbit.

Scientists have been able to determine this object's shape.

View asteroid Toro in 3D.

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 Toro:

References

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Orbital Elements

  • Epoch: 2459000.5 JD
  • Semi-major axis: 1.368 AU
  • Eccentricity: 0.4358
  • Inclination: 9.38°
  • Longitude of Ascending Node: 274.25°
  • Argument of Periapsis: 127.21°
  • Mean Anomaly: 290.25°

Physical Characteristics

  • Diameter: 3.40000 km
  • Magnitude: 14.3
  • Albedo: 0.31
  • Spectral type (Tholen): S
  • Spectral type (SMASS): S

Derived Characteristics

  • Orbit Period: 584 days (1.60 years)
  • Avg. Orbit Speed: 25.48 km/s
  • Aphelion Distance: 1.96 AU
  • Perihelion Distance: 0.77 AU
  • Rotation Period: 10.20 hours
  • Approx. Composition: magnesium silicate and iron silicate.

Map Comparison

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Orbit Simulation

Sky Map

The position of Toro 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.