Key Facts

Overview

202758 (2007 RJ19) is a mid-sized asteroid that shares Jupiter's orbit around the sun. NASA JPL has not classified 2007 RJ19 as potentially hazardous because its orbit does not bring it close to Earth.

2007 RJ19 orbits the sun every 4,550 days (12.46 years), coming as close as 5.11 AU and reaching as far as 5.64 AU from the sun. Based on its brightness and the way it reflects light, 2007 RJ19 is probably between 5.528 to 12.361 kilometers in diameter, making it larger than 99% of asteroids, very roughly comparable in size to the San Francisco Bay.

No Close Approaches

2007 RJ19's orbit is 4.13 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

2007 RJ19's orbit is determined by observations dating back to Nov. 7, 1996. It was last officially observed on April 16, 2023. The IAU Minor Planet Center records 417 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 2007 RJ19:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 5.377 AU
  • Eccentricity: 0.0493
  • Inclination: 4.02°
  • Longitude of Ascending Node: 33.11°
  • Argument of Periapsis: 37.31°
  • Mean Anomaly: 23.69°

Physical Characteristics

  • Diameter: ~7.136 km
  • Magnitude: 13.41

Derived Characteristics

  • Orbit Period: 4,550 days (12.46 years)
  • Avg. Orbit Speed: 12.86 km/s
  • Aphelion Distance: 5.64 AU
  • Perihelion Distance: 5.11 AU

Map Comparison

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Orbit Simulation

Sky Map

The position of 202758 (2007 RJ19) 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.