Key Facts

  • Categorized as a Amor-class Asteroid
  • Comparable in size to a school bus or smaller
  • Will pass within 10,403,179 km of Earth in 2019
  • Classified as a Near Earth Asteroid (NEA)
  • Not a Potentially Hazardous Object
  • See orbit simulation

Overview

2022 UD2 is a very small asteroid whose orbit approaches the orbit of Earth but does not cross it. NASA JPL has classified 2022 UD2 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.

2022 UD2 orbits the sun every 550 days (1.51 years), coming as close as 1.05 AU and reaching as far as 1.57 AU from the sun. Based on its brightness and the way it reflects light, 2022 UD2 is probably between 0.009 to 0.040 kilometers in diameter, making it a small to average asteroid, very roughly comparable in size to a school bus or smaller.

Close Approaches

2022 UD2's orbit is 0.06 AU from Earth's orbit at its closest point. This means that there is a wide berth between this asteroid and Earth at all times.

2022 UD2 has 8 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
Oct. 12, 2019 10,403,179 3.929
Oct. 15, 2022 9,034,069 4.184
Oct. 18, 2025 14,024,050 5.056
Oct. 21, 2028 24,864,917 6.833
Oct. 13, 2111 10,980,443 3.964
Oct. 16, 2114 8,825,266 4.109
Oct. 19, 2117 12,570,503 4.812
Oct. 22, 2120 22,652,444 6.399

Images and Observations

2022 UD2's orbit is determined by observations dating back to Oct. 15, 2022. It was last officially observed on Oct. 28, 2022. The IAU Minor Planet Center records 26 observations used to determine its orbit.

Accessibility and Exploration

2022 UD2 can be reached with a journey of 370 days. This trajectory would require a delta-v of 9.635 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 7,181 potential trajectories and launch windows to this asteroid.

See more at the NHATS Mission Trajectories table for 2022 UD2.

Similar Objects

These objects have orbits that share similar characteristics to the orbit of 2022 UD2:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 1.313 AU
  • Eccentricity: 0.198
  • Inclination: 6.5°
  • Longitude of Ascending Node: 209.58°
  • Argument of Periapsis: 165.25°
  • Mean Anomaly: 221.92°

Physical Characteristics

  • Diameter: ~0.024 km
  • Magnitude: 26.47

Derived Characteristics

  • Orbit Period: 550 days (1.51 years)
  • Avg. Orbit Speed: 25.97 km/s
  • Aphelion Distance: 1.57 AU
  • Perihelion Distance: 1.05 AU

Map Comparison

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Orbit Simulation

Sky Map

The position of 2022 UD2 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.