363599 (2004 FG11)

Very small Apollo-class Asteroid

Near-Earth Potentially Hazardous
Space Reference » Apollo-class Asteroids » 363599 (2004 FG11)

Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to a basketball court (0.15 km diameter)
  • Will pass within 7,361,050 km of Earth in 2020
  • Classified as a Near Earth Asteroid (NEA)
  • Classified as a Potentially Hazardous Asteroid (PHA)
  • See orbit simulation

Overview

363599 (2004 FG11) is a very small asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified 2004 FG11 as a "Potentially Hazardous Asteroid" due to its predicted close pass(es) with Earth.

2004 FG11 orbits the sun every 730 days (2.00 years), coming as close as 0.44 AU and reaching as far as 2.74 AU from the sun. Its orbit is highly elliptical. 2004 FG11 is about 0.2 kilometers in diameter, making it a small to average asteroid, comparable in size to a basketball court.

The rotation of 2004 FG11 has been observed. It completes a rotation on its axis every 7.02 hours.

Close Approaches

2004 FG11'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.

2004 FG11 has 19 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
April 11, 2020 7,361,050 24.491
April 12, 2022 7,393,627 24.503
April 11, 2024 7,793,510 24.745
April 11, 2026 8,454,731 25.071
April 10, 2028 9,563,599 25.408
April 9, 2030 11,834,075 26.011
April 8, 2032 14,590,424 26.702
April 7, 2034 18,028,572 27.472
April 5, 2036 22,401,860 28.392
April 4, 2038 26,596,986 29.332
April 4, 2092 29,020,809 29.884
April 10, 2094 13,660,912 26.542
April 14, 2096 7,874,396 23.478
April 20, 2098 22,104,149 20.075
Nov. 17, 2130 27,693,296 18.670
Nov. 21, 2132 14,966,002 21.254
Nov. 25, 2134 2,715,131 24.050
Nov. 28, 2136 11,120,877 26.388
Dec. 3, 2138 23,314,276 28.929

Images and Observations

2004 FG11's orbit is determined by observations dating back to March 23, 2004. It was last officially observed on April 10, 2022. The IAU Minor Planet Center records 411 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 FG11:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 1.587 AU
  • Eccentricity: 0.7236
  • Inclination: 3.13°
  • Longitude of Ascending Node: 83.59°
  • Argument of Periapsis: 228.67°
  • Mean Anomaly: 232.26°

Physical Characteristics

  • Diameter: 0.15200 km
  • Magnitude: 21.04
  • Albedo: 0.306

Derived Characteristics

  • Orbit Period: 730 days (2.00 years)
  • Avg. Orbit Speed: 23.65 km/s
  • Aphelion Distance: 2.74 AU
  • Perihelion Distance: 0.44 AU
  • Rotation Period: 7.02 hours

Map Comparison

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Orbit Simulation

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Sky Map

The position of 363599 (2004 FG11) 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 FG11 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.