Key Facts

Overview

30517 (2001 LJ15) is a large asteroid that orbits between Mars and Jupiter in the outer reaches of the main asteroid belt. NASA JPL has not classified 2001 LJ15 as potentially hazardous because its orbit does not bring it close to Earth.

2001 LJ15 orbits the sun every 2,370 days (6.49 years), coming as close as 3.18 AU and reaching as far as 3.77 AU from the sun. 2001 LJ15 is about 15.0 kilometers in diameter, making it larger than 99% of asteroids, comparable in size to the city of Baltimore.

The rotation of 2001 LJ15 has been observed. It completes a rotation on its axis every 7.41 hours.

No Close Approaches

2001 LJ15's orbit is 2.19 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

2001 LJ15's orbit is determined by observations dating back to May 30, 1987. It was last officially observed on March 24, 2023. The IAU Minor Planet Center records 2,322 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 2001 LJ15:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 3.476 AU
  • Eccentricity: 0.0848
  • Inclination: 8.71°
  • Longitude of Ascending Node: 252.43°
  • Argument of Periapsis: 138.87°
  • Mean Anomaly: 69.11°

Physical Characteristics

  • Diameter: 14.99200 km
  • Magnitude: 13.01
  • Albedo: 0.050

Derived Characteristics

  • Orbit Period: 2,370 days (6.49 years)
  • Avg. Orbit Speed: 15.96 km/s
  • Aphelion Distance: 3.77 AU
  • Perihelion Distance: 3.18 AU
  • Rotation Period: 7.41 hours

Map Comparison

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Orbit Simulation

Sky Map

The position of 30517 (2001 LJ15) 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.