Key Facts

Overview

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

Nymphe orbits the sun every 1,490 days (4.08 years), coming as close as 2.17 AU and reaching as far as 2.94 AU from the sun. Nymphe is about 14.1 kilometers in diameter, making it larger than 99% of asteroids, comparable in size to the city of Cleveland, Ohio.

The rotation of Nymphe has been observed. It completes a rotation on its axis every 12.62 hours.

No Close Approaches

Nymphe's orbit is 1.20 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

Nymphe's orbit is determined by observations dating back to May 26, 1917. It was last officially observed on July 2, 2023. The IAU Minor Planet Center records 4,099 observations used to determine its orbit.

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

View asteroid Nymphe 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 Nymphe:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 2.554 AU
  • Eccentricity: 0.1508
  • Inclination: 14.57°
  • Longitude of Ascending Node: 196.03°
  • Argument of Periapsis: 117.27°
  • Mean Anomaly: 311.65°

Physical Characteristics

  • Diameter: 14.10700 km
  • Magnitude: 11.22
  • Albedo: 0.223

Derived Characteristics

  • Orbit Period: 1,490 days (4.08 years)
  • Avg. Orbit Speed: 18.65 km/s
  • Aphelion Distance: 2.94 AU
  • Perihelion Distance: 2.17 AU
  • Rotation Period: 12.62 hours

Map Comparison

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Orbit Simulation

Sky Map

The position of Nymphe 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.