Key Facts

Overview

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

Lene orbits the sun every 1,620 days (4.44 years), coming as close as 2.29 AU and reaching as far as 3.10 AU from the sun. Lene is about 19.2 kilometers in diameter, making it larger than 99% of asteroids, comparable in size to the city of Philadelphia.

The rotation of Lene has been observed. It completes a rotation on its axis every 6.08 hours.

Lene's spectral type None (Tholen) / C (SMASSII) indicates that it is likely to contain water, iron, nickel, cobalt, nitrogen, and ammonia.

No Close Approaches

Lene's orbit is 1.27 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

Lene's orbit is determined by observations dating back to May 6, 1931. It was last officially observed on May 15, 2023. The IAU Minor Planet Center records 4,204 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 Lene:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 2.698 AU
  • Eccentricity: 0.1508
  • Inclination: 6.52°
  • Longitude of Ascending Node: 269.41°
  • Argument of Periapsis: 357.74°
  • Mean Anomaly: 267.73°

Physical Characteristics

  • Diameter: 19.23000 km
  • Magnitude: 12.11
  • Albedo: 0.097
  • Spectral type (SMASS): C

Derived Characteristics

  • Orbit Period: 1,620 days (4.44 years)
  • Avg. Orbit Speed: 18.12 km/s
  • Aphelion Distance: 3.10 AU
  • Perihelion Distance: 2.29 AU
  • Rotation Period: 6.08 hours
  • Approx. Composition: water, iron, nickel, cobalt, nitrogen, and ammonia.

Map Comparison

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Orbit Simulation

Sky Map

The position of Lene 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.