Key Facts

Overview

16712 (1995 SW29) is a large asteroid orbiting between Mars and Jupiter in the main portion of the asteroid belt. NASA JPL has not classified 1995 SW29 as potentially hazardous because its orbit does not bring it close to Earth.

1995 SW29 orbits the sun every 2,040 days (5.59 years), coming as close as 2.50 AU and reaching as far as 3.79 AU from the sun. 1995 SW29 is about 16.9 kilometers in diameter, making it larger than 99% of asteroids, comparable in size to the city of Philadelphia.

The rotation of 1995 SW29 has been observed. It completes a rotation on its axis every 17.17 hours.

No Close Approaches

1995 SW29's orbit is 1.63 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

1995 SW29's orbit is determined by observations dating back to Jan. 22, 1980. It was last officially observed on June 18, 2023. The IAU Minor Planet Center records 1,751 observations used to determine its orbit.

Scientists have been able to determine this object's shape:

View asteroid 16712 (1995 SW29) in 3D.

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 1995 SW29:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 3.146 AU
  • Eccentricity: 0.2041
  • Inclination: 25.53°
  • Longitude of Ascending Node: 317.69°
  • Argument of Periapsis: 110.5°
  • Mean Anomaly: 338.44°

Physical Characteristics

  • Diameter: 16.85300 km
  • Magnitude: 12.82
  • Albedo: 0.047

Derived Characteristics

  • Orbit Period: 2,040 days (5.59 years)
  • Avg. Orbit Speed: 16.78 km/s
  • Aphelion Distance: 3.79 AU
  • Perihelion Distance: 2.50 AU
  • Rotation Period: 17.17 hours

Map Comparison

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Orbit Simulation

Sky Map

The position of 16712 (1995 SW29) 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.