Key Facts

Overview

15187 (2112 T-2) is a mid-sized asteroid that orbits between Mars and Jupiter in the outer reaches of the main asteroid belt. NASA JPL has not classified 2112 T-2 as potentially hazardous because its orbit does not bring it close to Earth.

2112 T-2 orbits the sun every 2,130 days (5.83 years), coming as close as 2.75 AU and reaching as far as 3.73 AU from the sun. 2112 T-2 is about 7.8 kilometers in diameter, making it larger than 99% of asteroids, comparable in size to the San Francisco Bay.

No Close Approaches

2112 T-2's orbit is 1.74 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

2112 T-2's orbit is determined by observations dating back to Sept. 19, 1973. It was last officially observed on May 13, 2023. The IAU Minor Planet Center records 1,958 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 2112 T-2:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 3.239 AU
  • Eccentricity: 0.1514
  • Inclination: 0.16°
  • Longitude of Ascending Node: 78.95°
  • Argument of Periapsis: 273.41°
  • Mean Anomaly: 233.92°

Physical Characteristics

  • Diameter: 7.78300 km
  • Magnitude: 14.03
  • Albedo: 0.097

Derived Characteristics

  • Orbit Period: 2,130 days (5.83 years)
  • Avg. Orbit Speed: 16.54 km/s
  • Aphelion Distance: 3.73 AU
  • Perihelion Distance: 2.75 AU

Map Comparison

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Orbit Simulation

Sky Map

The position of 15187 (2112 T-2) 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.