277570 (2005 YP180)

Very small Apollo-class Asteroid

Near-Earth Potentially Hazardous
Space Reference » Apollo-class Asteroids » 277570 (2005 YP180)

Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to the U.S. Capitol building (0.44 km diameter)
  • Will pass within 23,565,028 km of Earth in 2022
  • Classified as a Near Earth Asteroid (NEA)
  • Classified as a Potentially Hazardous Asteroid (PHA)
  • See orbit simulation

Overview

277570 (2005 YP180) is a very small asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified 2005 YP180 as a "Potentially Hazardous Asteroid" due to its predicted close pass(es) with Earth.

2005 YP180 orbits the sun every 587 days (1.61 years), coming as close as 0.53 AU and reaching as far as 2.22 AU from the sun. 2005 YP180 is about 0.4 kilometers in diameter, making it larger than 90% of asteroids but tiny compared to large asteroids, comparable in size to the U.S. Capitol building.

The rotation of 2005 YP180 has been observed. It completes a rotation on its axis every 3.69 hours.

Close Approaches

2005 YP180's orbit is 0.02 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.

2005 YP180 has 15 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
Jan. 31, 2022 23,565,028 24.261
June 28, 2039 2,633,658 19.731
July 9, 2047 28,612,430 13.997
Jan. 22, 2059 7,396,451 18.176
Feb. 1, 2067 23,401,102 24.211
June 24, 2084 11,341,408 21.712
July 3, 2092 16,907,475 16.270
Jan. 16, 2104 28,046,844 13.923
Jan. 27, 2112 3,561,763 19.889
June 22, 2129 23,834,338 24.190
July 1, 2137 6,624,407 18.292
Jan. 16, 2149 27,034,931 14.156
Jan. 29, 2157 12,857,560 22.020
July 2, 2174 6,583,743 18.293
Jan. 25, 2186 4,802,147 18.837

Images and Observations

2005 YP180's orbit is determined by observations dating back to Dec. 30, 2005. It was last officially observed on Feb. 23, 2022. The IAU Minor Planet Center records 233 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 2005 YP180:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 1.372 AU
  • Eccentricity: 0.6172
  • Inclination: 4.11°
  • Longitude of Ascending Node: 288.92°
  • Argument of Periapsis: 92.44°
  • Mean Anomaly: 31.43°

Physical Characteristics

  • Diameter: 0.43900 km
  • Magnitude: 19.34
  • Albedo: 0.177

Derived Characteristics

  • Orbit Period: 587 days (1.61 years)
  • Avg. Orbit Speed: 25.43 km/s
  • Aphelion Distance: 2.22 AU
  • Perihelion Distance: 0.53 AU
  • Rotation Period: 3.69 hours

Map Comparison

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Orbit Simulation

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Sky Map

The position of 277570 (2005 YP180) 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 2005 YP180 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.