Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to a school bus or smaller
  • Will pass within 2,419,656 km of Earth in 2020
  • Classified as a Near Earth Asteroid (NEA)
  • Not a Potentially Hazardous Object
  • See orbit simulation

Overview

2020 XX is a very small asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified 2020 XX as a "Near Earth Asteroid" due to its orbit's proximity to Earth, but it is not considered potentially hazardous because computer simulations have not indicated any imminent likelihood of future collision.

2020 XX orbits the sun every 448 days (1.23 years), coming as close as 0.87 AU and reaching as far as 1.42 AU from the sun. Based on its brightness and the way it reflects light, 2020 XX is probably between 0.008 to 0.037 kilometers in diameter, making it a small to average asteroid, very roughly comparable in size to a school bus or smaller.

Close Approaches

2020 XX's orbit is 0.01 AU from Earth's orbit at its closest point. This means that its orbit is relatively close to Earth's orbit.

2020 XX has 2 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
Dec. 2, 2020 2,419,656 8.974
June 25, 2025 13,698,764 9.328

Images and Observations

2020 XX's orbit is determined by observations dating back to Dec. 5, 2020. It was last officially observed on Dec. 7, 2020. The IAU Minor Planet Center records 19 observations used to determine its orbit.

Accessibility and Exploration

2020 XX can be reached with a journey of 370 days. This trajectory would require a delta-v of 10.147 km/s. To put this into perspective, the delta-v to launch a rocket to Low-Earth Orbit is 9.7 km/s. There are 935 potential trajectories and launch windows to this asteroid.

See more at the NHATS Mission Trajectories table for 2020 XX.

Similar Objects

These objects have orbits that share similar characteristics to the orbit of 2020 XX:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 1.147 AU
  • Eccentricity: 0.2417
  • Inclination: 10.02°
  • Longitude of Ascending Node: 72.12°
  • Argument of Periapsis: 288.77°
  • Mean Anomaly: 139.2°

Physical Characteristics

  • Diameter: ~0.023 km
  • Magnitude: 26.6

Derived Characteristics

  • Orbit Period: 448 days (1.23 years)
  • Avg. Orbit Speed: 27.85 km/s
  • Aphelion Distance: 1.42 AU
  • Perihelion Distance: 0.87 AU

Map Comparison

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Orbit Simulation

Sky Map

The position of 2020 XX 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.