Ebella

1205 Ebella (1931 TB1)

Space Reference » Main-belt Asteroids » Ebella

Key Facts

Overview

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

Ebella orbits the sun every 1,480 days (4.05 years), coming as close as 1.85 AU and reaching as far as 3.23 AU from the sun. Ebella is about 5.5 kilometers in diameter, making it larger than 99% of asteroids, comparable in size to the San Francisco Bay.

No Close Approaches

Ebella's orbit is 0.85 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

Ebella's orbit is determined by observations dating back to Oct. 6, 1931. It was last officially observed on June 21, 2023. The IAU Minor Planet Center records 2,230 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 Ebella:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 2.537 AU
  • Eccentricity: 0.2719
  • Inclination: 8.85°
  • Longitude of Ascending Node: 22.98°
  • Argument of Periapsis: 349.49°
  • Mean Anomaly: 280.25°

Physical Characteristics

  • Diameter: 5.47400 km
  • Magnitude: 13.56
  • Albedo: 0.214

Derived Characteristics

  • Orbit Period: 1,480 days (4.05 years)
  • Avg. Orbit Speed: 18.65 km/s
  • Aphelion Distance: 3.23 AU
  • Perihelion Distance: 1.85 AU

Map Comparison

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Orbit Simulation

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Sky Map

The position of Ebella 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 Ebella 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.