Key Facts

  • Categorized as a Main-belt Asteroid
  • Comparable in size to the U.S. state of Rhode Island (47.58 km diameter)
  • Not a Near Earth Object
  • Not a Potentially Hazardous Object
  • See orbit simulation

Overview

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

Recha orbits the sun every 1,910 days (5.23 years), coming as close as 2.68 AU and reaching as far as 3.35 AU from the sun. Recha is about 47.6 kilometers in diameter, making it larger than 99% of asteroids, comparable in size to the U.S. state of Rhode Island.

The rotation of Recha has been observed. It completes a rotation on its axis every 7.17 hours.

No Close Approaches

Recha's orbit is 1.69 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

Recha's orbit is determined by observations dating back to Sept. 19, 1905. It was last officially observed on July 4, 2023. The IAU Minor Planet Center records 8,447 observations used to determine its orbit.

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

View asteroid Recha 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 Recha:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 3.016 AU
  • Eccentricity: 0.1099
  • Inclination: 9.83°
  • Longitude of Ascending Node: 342.66°
  • Argument of Periapsis: 30.02°
  • Mean Anomaly: 184.26°

Physical Characteristics

  • Diameter: 47.58200 km
  • Magnitude: 9.56
  • Albedo: 0.100

Derived Characteristics

  • Orbit Period: 1,910 days (5.23 years)
  • Avg. Orbit Speed: 17.18 km/s
  • Aphelion Distance: 3.35 AU
  • Perihelion Distance: 2.68 AU
  • Rotation Period: 7.17 hours

Map Comparison

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Orbit Simulation

Sky Map

The position of Recha 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.