Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to a football field
  • Will pass within 19,045,134 km of Earth in 2051
  • Classified as a Near Earth Asteroid (NEA)
  • Classified as a Potentially Hazardous Asteroid (PHA)
  • See orbit simulation

Overview

2004 RW10 is a very small asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified 2004 RW10 as a "Potentially Hazardous Asteroid" due to its predicted close pass(es) with Earth.

2004 RW10 orbits the sun every 1,320 days (3.61 years), coming as close as 0.96 AU and reaching as far as 3.75 AU from the sun. Based on its brightness and the way it reflects light, 2004 RW10 is probably between 0.162 to 0.363 kilometers in diameter, making it a small to average asteroid, very roughly comparable in size to a football field.

Close Approaches

2004 RW10'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.

2004 RW10 has 6 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
May 13, 2051 19,045,134 13.926
July 9, 2069 11,796,451 9.234
July 24, 2087 8,750,439 9.371
Aug. 25, 2123 24,888,616 15.440
May 17, 2170 17,240,931 13.518
July 6, 2188 12,359,232 9.271

Images and Observations

2004 RW10's orbit is determined by observations dating back to March 23, 2004. It was last officially observed on Aug. 18, 2022. The IAU Minor Planet Center records 81 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 2004 RW10:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 2.352 AU
  • Eccentricity: 0.5934
  • Inclination: 3.11°
  • Longitude of Ascending Node: 206.09°
  • Argument of Periapsis: 71.82°
  • Mean Anomaly: 108.41°

Physical Characteristics

  • Diameter: ~0.210 km
  • Magnitude: 21.07

Derived Characteristics

  • Orbit Period: 1,320 days (3.61 years)
  • Avg. Orbit Speed: 19.38 km/s
  • Aphelion Distance: 3.75 AU
  • Perihelion Distance: 0.96 AU

Map Comparison

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Orbit Simulation

Sky Map

The position of 2004 RW10 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 2004 RW10 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.