455594 (2004 SV55)

Mid-sized Apollo-class Asteroid

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Space Reference » Apollo-class Asteroids » 455594 (2004 SV55)

Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to Mount Everest (1.63 km diameter)
  • Will pass within 24,770,751 km of Earth in 2025
  • Classified as a Near Earth Asteroid (NEA)
  • Not a Potentially Hazardous Object
  • See orbit simulation

Overview

455594 (2004 SV55) is a mid-sized asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified 2004 SV55 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.

2004 SV55 orbits the sun every 852 days (2.33 years), coming as close as 0.60 AU and reaching as far as 2.92 AU from the sun. 2004 SV55 is about 1.6 kilometers in diameter, making it larger than 99% of asteroids, comparable in size to Mount Everest.

Close Approaches

2004 SV55's orbit is 0.09 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 SV55 has 15 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
Sept. 18, 2025 24,770,751 32.383
Sept. 18, 2032 24,644,201 32.360
Sept. 19, 2039 24,831,062 32.393
Sept. 19, 2046 25,913,263 32.573
Sept. 19, 2053 27,026,742 32.789
Sept. 20, 2060 29,226,713 33.163
March 4, 2114 29,700,377 32.486
March 4, 2121 27,623,254 32.039
March 5, 2128 26,100,661 31.733
March 6, 2135 25,540,469 31.611
March 6, 2142 25,133,650 31.495
March 5, 2149 24,880,533 31.471
March 5, 2156 25,135,026 31.482
March 6, 2163 25,924,093 31.642
March 5, 2170 28,168,114 32.055

Images and Observations

2004 SV55's orbit is determined by observations dating back to Sept. 24, 2004. It was last officially observed on Feb. 12, 2023. The IAU Minor Planet Center records 349 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 SV55:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 1.759 AU
  • Eccentricity: 0.658
  • Inclination: 41.17°
  • Longitude of Ascending Node: 344.56°
  • Argument of Periapsis: 280.85°
  • Mean Anomaly: 66.45°

Physical Characteristics

  • Diameter: 1.62500 km
  • Magnitude: 17.99
  • Albedo: 0.042

Derived Characteristics

  • Orbit Period: 852 days (2.33 years)
  • Avg. Orbit Speed: 22.46 km/s
  • Aphelion Distance: 2.92 AU
  • Perihelion Distance: 0.60 AU

Map Comparison

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Orbit Simulation

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Sky Map

The position of 455594 (2004 SV55) 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 above comparison is an artistic rendering that uses available data on the diameter of 2004 SV55 to create an approximate landscape rendering with Mount Everest in the background. This approximation is built for full-resolution desktop browsers. Shape, color, and texture of asteroid are imagined.