Key Facts

Overview

119315 (2001 SQ73) is a large asteroid with an orbit between Jupiter and Neptune. NASA JPL has not classified 2001 SQ73 as potentially hazardous because its orbit does not bring it close to Earth.

2001 SQ73 orbits the sun every 26,700 days (73.10 years), coming as close as 14.40 AU and reaching as far as 20.52 AU from the sun. Based on its brightness and the way it reflects light, 2001 SQ73 is probably between 33.155 to 74.138 kilometers in diameter, making it larger than 99% of asteroids, very roughly comparable in size to the U.S. state of Rhode Island.

No Close Approaches

2001 SQ73's orbit is 13.40 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

2001 SQ73's orbit is determined by observations dating back to Sept. 12, 2001. It was last officially observed on Nov. 25, 2019. The IAU Minor Planet Center records 59 observations used to determine its orbit.

Accessibility and Exploration

This asteroid is not considered a viable target for human exploration by the NHATS study.

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 17.46 AU
  • Eccentricity: 0.1755
  • Inclination: 17.44°
  • Longitude of Ascending Node: 16.09°
  • Argument of Periapsis: 304.69°
  • Mean Anomaly: 150.26°

Physical Characteristics

  • Diameter: ~42.804 km
  • Magnitude: 9.52

Derived Characteristics

  • Orbit Period: 26,700 days (73.10 years)
  • Avg. Orbit Speed: 7.11 km/s
  • Aphelion Distance: 20.52 AU
  • Perihelion Distance: 14.40 AU

Map Comparison

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Orbit Simulation

Sky Map

The position of 119315 (2001 SQ73) 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.