483508 (2003 CR1)

Very small Apollo-class Asteroid

Near-Earth Potentially Hazardous
Space Reference » Apollo-class Asteroids » 483508 (2003 CR1)

Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to a football field (0.20 km diameter)
  • Will pass within 12,757,860 km of Earth in 2024
  • Classified as a Near Earth Asteroid (NEA)
  • Classified as a Potentially Hazardous Asteroid (PHA)
  • See orbit simulation

Overview

483508 (2003 CR1) is a very small asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified 2003 CR1 as a "Potentially Hazardous Asteroid" due to its predicted close pass(es) with Earth.

2003 CR1 orbits the sun every 640 days (1.75 years), coming as close as 0.78 AU and reaching as far as 2.13 AU from the sun. 2003 CR1 is about 0.2 kilometers in diameter, making it a small to average asteroid, comparable in size to a football field.

The rotation of 2003 CR1 has been observed. It completes a rotation on its axis every 26.39 hours.

Close Approaches

2003 CR1's orbit is 0.03 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.

2003 CR1 has 16 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
Jan. 20, 2024 12,757,860 11.911
Jan. 21, 2031 10,080,631 12.377
Jan. 20, 2038 11,386,922 12.140
Jan. 17, 2045 16,522,434 11.249
Jan. 11, 2052 23,521,038 10.216
Sept. 7, 2100 29,646,301 9.258
Sept. 4, 2107 22,984,978 10.670
Aug. 31, 2114 17,907,184 11.984
Aug. 28, 2121 15,099,658 13.345
Aug. 25, 2128 15,924,607 14.703
Aug. 23, 2135 20,738,856 16.320
Aug. 20, 2142 29,260,581 18.298
Feb. 6, 2176 28,054,279 19.050
Feb. 2, 2183 16,950,973 16.987
Jan. 30, 2190 9,523,105 15.580
Jan. 29, 2197 7,525,590 15.218

Images and Observations

2003 CR1's orbit is determined by observations dating back to Feb. 2, 2003. It was last officially observed on March 3, 2017. The IAU Minor Planet Center records 180 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 CR1:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 1.453 AU
  • Eccentricity: 0.463
  • Inclination: 12.72°
  • Longitude of Ascending Node: 310.95°
  • Argument of Periapsis: 101.97°
  • Mean Anomaly: 314.64°

Physical Characteristics

  • Diameter: 0.20200 km
  • Magnitude: 20.15
  • Albedo: 0.433

Derived Characteristics

  • Orbit Period: 640 days (1.75 years)
  • Avg. Orbit Speed: 24.70 km/s
  • Aphelion Distance: 2.13 AU
  • Perihelion Distance: 0.78 AU
  • Rotation Period: 26.39 hours

Map Comparison

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Orbit Simulation

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Sky Map

The position of 483508 (2003 CR1) 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 CR1 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.