35396 (1997 XF11)

Small Apollo-class Asteroid

Near-Earth Potentially Hazardous
Space Reference » Apollo-class Asteroids » 35396 (1997 XF11)

Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to the Golden Gate Bridge (0.70 km diameter)
  • Will pass within 929,251 km of Earth in 2028
  • Classified as a Near Earth Asteroid (NEA)
  • Classified as a Potentially Hazardous Asteroid (PHA)
  • See orbit simulation

Overview

35396 (1997 XF11) is a small asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified 1997 XF11 as a "Potentially Hazardous Asteroid" due to its predicted close pass(es) with Earth.

1997 XF11 orbits the sun every 633 days (1.73 years), coming as close as 0.74 AU and reaching as far as 2.14 AU from the sun. 1997 XF11 is about 0.7 kilometers in diameter, making it larger than ~97% of asteroids but small compared to large asteroids, comparable in size to the Golden Gate Bridge.

The rotation of 1997 XF11 has been observed. It completes a rotation on its axis every 3.26 hours.

1997 XF11's spectral type None (Tholen) / Xk (SMASSII) indicates that it is likely to contain iron, nickel, and cobalt.

Close Approaches

1997 XF11's orbit is 0.00 AU from Earth's orbit at its closest point. This means that its orbit is very close to Earth's orbit.

1997 XF11 has 14 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
Oct. 26, 2028 929,251 13.920
June 8, 2035 26,142,589 9.736
Nov. 4, 2040 22,832,099 18.601
May 10, 2078 18,429,437 17.553
Oct. 9, 2083 23,235,744 10.016
May 19, 2090 5,543,846 13.412
Oct. 27, 2095 1,958,872 13.688
May 19, 2102 4,866,564 13.635
Oct. 15, 2107 20,154,066 10.340
May 12, 2114 15,763,936 16.996
Nov. 2, 2148 11,865,875 16.397
May 26, 2155 13,911,339 11.509
Oct. 22, 2160 10,790,855 11.949
May 16, 2167 8,751,660 15.513

Images and Observations

1997 XF11's orbit is determined by observations dating back to March 22, 1990. It was last officially observed on May 29, 2023. The IAU Minor Planet Center records 2,243 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 1997 XF11:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 1.442 AU
  • Eccentricity: 0.4837
  • Inclination: 4.1°
  • Longitude of Ascending Node: 213.65°
  • Argument of Periapsis: 103.06°
  • Mean Anomaly: 44.44°

Physical Characteristics

  • Diameter: 0.70400 km
  • Magnitude: 17.02
  • Albedo: 0.772
  • Spectral type (SMASS): Xk

Derived Characteristics

  • Orbit Period: 633 days (1.73 years)
  • Avg. Orbit Speed: 24.78 km/s
  • Aphelion Distance: 2.14 AU
  • Perihelion Distance: 0.74 AU
  • Rotation Period: 3.26 hours
  • Approx. Composition: iron, nickel, and cobalt.

Map Comparison

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Orbit Simulation

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Sky Map

The position of 35396 (1997 XF11) 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 1997 XF11 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.