Key Facts

Overview

15836 (1995 DA2) is a relatively small asteroid whose orbit extends beyond the orbit of Neptune. NASA JPL has not classified 1995 DA2 as potentially hazardous because its orbit does not bring it close to Earth.

1995 DA2 orbits the sun every 80,246 days (219.70 years), coming as close as 33.78 AU and reaching as far as 39.04 AU from the sun. Based on its brightness and the way it reflects light, 1995 DA2 is probably between 76.658 to 171.412 kilometers in diameter, making it larger than most asteroids, very roughly comparable in size to the U.S. state of Delaware.

No Close Approaches

1995 DA2's orbit is 32.80 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 DA2's orbit is determined by observations dating back to March 30, 1995. It was last officially observed on Feb. 18, 2015. The IAU Minor Planet Center records 39 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: 2458600.5 JD
  • Semi-major axis: 36.4095244712 AU
  • Eccentricity: 0.0721567662119
  • Inclination: 6.56158957468°
  • Longitude of Ascending Node: 127.548163851°
  • Argument of Periapsis: 335.527935015°
  • Mean Anomaly: 61.2023681571°

Physical Characteristics

  • Diameter: ~98.964 km
  • Magnitude: 7.7

Derived Characteristics

  • Orbit Period: 80,246 days (219.70 years)
  • Avg. Orbit Speed: 4.94 km/s
  • Aphelion Distance: 39.04 AU
  • Perihelion Distance: 33.78 AU

Size Comparison

Orbit Simulation

Sky Map

The position of 15836 (1995 DA2) 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.