18916 (2000 OG44)

Mid-sized Outer Main-belt Asteroid

Space Reference » Outer Main-belt Asteroids » 18916 (2000 OG44)

Key Facts

Overview

18916 (2000 OG44) is a mid-sized asteroid that orbits between Mars and Jupiter in the outer reaches of the main asteroid belt. NASA JPL has not classified 2000 OG44 as potentially hazardous because its orbit does not bring it close to Earth.

2000 OG44 orbits the sun every 2,770 days (7.58 years), coming as close as 1.60 AU and reaching as far as 6.11 AU from the sun. 2000 OG44 is about 5.6 kilometers in diameter, making it larger than 99% of asteroids, comparable in size to the San Francisco Bay.

No Close Approaches

2000 OG44's orbit is 0.63 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

2000 OG44's orbit is determined by observations dating back to Sept. 6, 1954. It was last officially observed on June 30, 2023. The IAU Minor Planet Center records 694 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 2000 OG44:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 3.858 AU
  • Eccentricity: 0.5842
  • Inclination: 7.4°
  • Longitude of Ascending Node: 301.35°
  • Argument of Periapsis: 98.88°
  • Mean Anomaly: 1.75°

Physical Characteristics

  • Diameter: 5.60000 km
  • Magnitude: 14.64
  • Albedo: 0.111

Derived Characteristics

  • Orbit Period: 2,770 days (7.58 years)
  • Avg. Orbit Speed: 15.15 km/s
  • Aphelion Distance: 6.11 AU
  • Perihelion Distance: 1.60 AU

Map Comparison

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Orbit Simulation

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Sky Map

The position of 18916 (2000 OG44) 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 2000 OG44 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.