Grahamchapman

9617 Grahamchapman (1993 FA5)

Space Reference » Main-belt Asteroids » Grahamchapman

Key Facts

Overview

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

Grahamchapman orbits the sun every 1,210 days (3.31 years), coming as close as 1.97 AU and reaching as far as 2.48 AU from the sun. Grahamchapman is about 2.8 kilometers in diameter, making it larger than 99% of asteroids, comparable in size to Mount Everest.

The rotation of Grahamchapman has been observed. It completes a rotation on its axis every 2.29 hours.

No Close Approaches

Grahamchapman's orbit is 1.00 AU from Earth's orbit at its closest point. This means that there is a very 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

Grahamchapman's orbit is determined by observations dating back to Aug. 8, 1951. It was last officially observed on June 25, 2023. The IAU Minor Planet Center records 2,791 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 Grahamchapman:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 2.225 AU
  • Eccentricity: 0.1128
  • Inclination: 6.14°
  • Longitude of Ascending Node: 165.51°
  • Argument of Periapsis: 281.68°
  • Mean Anomaly: 149.56°

Physical Characteristics

  • Diameter: 2.84000 km
  • Magnitude: 14.85
  • Albedo: 0.245

Derived Characteristics

  • Orbit Period: 1,210 days (3.31 years)
  • Avg. Orbit Speed: 20.00 km/s
  • Aphelion Distance: 2.48 AU
  • Perihelion Distance: 1.97 AU
  • Rotation Period: 2.29 hours

Map Comparison

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Orbit Simulation

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Sky Map

The position of Grahamchapman 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.

Size Rendering

The above comparison is an artistic rendering that uses available data on the diameter of Grahamchapman to create an approximate landscape rendering with Mount Everest in the background. This approximation is built for full-resolution desktop browsers. Shape, color, and texture of asteroid are imagined.