503941 (2003 UV11)

Very small Apollo-class Asteroid

Near-Earth Potentially Hazardous
Space Reference » Apollo-class Asteroids » 503941 (2003 UV11)

Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to a football field (0.26 km diameter)
  • Will pass within 14,362,847 km of Earth in 2024
  • Classified as a Near Earth Asteroid (NEA)
  • Classified as a Potentially Hazardous Asteroid (PHA)
  • See orbit simulation

Overview

503941 (2003 UV11) is a very small asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified 2003 UV11 as a "Potentially Hazardous Asteroid" due to its predicted close pass(es) with Earth.

2003 UV11 orbits the sun every 640 days (1.75 years), coming as close as 0.34 AU and reaching as far as 2.56 AU from the sun. Its orbit is highly elliptical. 2003 UV11 is about 0.3 kilometers in diameter, making it a small to average asteroid, comparable in size to a football field.

The rotation of 2003 UV11 has been observed. It completes a rotation on its axis every 18.25 hours.

Close Approaches

2003 UV11'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.

2003 UV11 has 15 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
Nov. 2, 2024 14,362,847 22.824
Nov. 5, 2031 23,563,130 21.055
June 25, 2100 23,831,231 21.985
June 29, 2107 17,581,657 23.762
July 1, 2114 14,784,406 25.397
July 3, 2121 16,227,693 26.937
July 6, 2128 21,081,045 28.623
July 10, 2135 29,821,991 30.784
Oct. 25, 2152 21,518,973 29.982
Oct. 28, 2159 11,665,706 27.942
Oct. 31, 2166 3,492,664 26.191
Oct. 31, 2173 3,085,644 26.108
Oct. 28, 2180 10,630,041 27.707
Oct. 26, 2187 19,964,706 29.658
Oct. 23, 2194 29,721,066 31.626

Images and Observations

2003 UV11's orbit is determined by observations dating back to Oct. 12, 1996. It was last officially observed on July 16, 2023. The IAU Minor Planet Center records 892 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 2003 UV11:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 1.453 AU
  • Eccentricity: 0.7627
  • Inclination: 5.93°
  • Longitude of Ascending Node: 31.78°
  • Argument of Periapsis: 124.96°
  • Mean Anomaly: 99.05°

Physical Characteristics

  • Diameter: 0.26000 km
  • Magnitude: 19.65
  • Albedo: 0.376

Derived Characteristics

  • Orbit Period: 640 days (1.75 years)
  • Avg. Orbit Speed: 24.70 km/s
  • Aphelion Distance: 2.56 AU
  • Perihelion Distance: 0.34 AU
  • Rotation Period: 18.25 hours

Map Comparison

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Orbit Simulation

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Sky Map

The position of 503941 (2003 UV11) 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.

Size Rendering

The below comparison is an artistic rendering that uses available data on the diameter of 2003 UV11 to create an approximate landscape rendering with New York City in the background. This approximation is built for full-resolution desktop browsers. Shape, color, and texture of asteroid are imagined.