Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to a school bus or smaller
  • Will pass within 3,878,040 km of Earth in 2019
  • Classified as a Near Earth Asteroid (NEA)
  • Not a Potentially Hazardous Object
  • See orbit simulation

Overview

2008 EA9 is a very small asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified 2008 EA9 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.

2008 EA9 orbits the sun every 392 days (1.07 years), coming as close as 0.97 AU and reaching as far as 1.13 AU from the sun. Based on its brightness and the way it reflects light, 2008 EA9 is probably between 0.005 to 0.022 kilometers in diameter, making it a small to average asteroid, very roughly comparable in size to a school bus or smaller.

Close Approaches

2008 EA9's orbit is 0.00 AU from Earth's orbit at its closest point. This means that its orbit is relatively close to Earth's orbit.

2008 EA9 has 2 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
Nov. 23, 2019 3,878,040 2.128
April 25, 2020 10,936,687 1.296

NASA Sentry has assessed impact risk for 160 very close approach scenarios. Here are the top scenarios ordered by probability of impact:

Date Probability of Impact (%) Impact Energy (Mt)
Dec. 21, 2081 0.00093 0.01785
Dec. 21, 2081 0.00078 0.01785
Dec. 28, 2068 0.00044 0.01775
Dec. 24, 2063 0.00042 0.01784
Sept. 16, 2080 0.00036 0.01782
Dec. 25, 2076 0.00034 0.01783
Sept. 14, 2081 0.00024 0.0178
Sept. 20, 2078 0.00021 0.01782
Dec. 21, 2081 0.00020 0.01785
Sept. 18, 2079 0.00020 0.01784
Sept. 18, 2079 0.00019 0.01781
Dec. 26, 2076 0.00015 0.01776
Sept. 22, 2064 0.00013 0.01784
Dec. 29, 2068 0.00012 0.01777
Dec. 25, 2076 0.00009 0.01781
Dec. 24, 2063 0.00008 0.01781
Jan. 26, 2090 0.00007 0.01782
Dec. 25, 2067 0.00007 0.01778
Sept. 24, 2063 0.00007 0.01783
Sept. 27, 2079 0.00005 0.01787
Dec. 27, 2076 0.00004 0.01784
Dec. 27, 2076 0.00004 0.01777
Sept. 1, 2074 0.00004 0.01777
Sept. 5, 2071 0.00003 0.01775
Dec. 24, 2059 0.00003 0.01779
Sept. 9, 2085 0.00003 0.01779
Dec. 28, 2053 0.00003 0.01783
Dec. 29, 2114 0.00003 0.01779
Jan. 28, 2114 0.00003 0.01781
Sept. 9, 2082 0.00002 0.0178
Aug. 30, 2076 0.00002 0.01775
Dec. 25, 2100 0.00002 0.01787
Feb. 4, 2084 0.00002 0.01782
Dec. 30, 2086 0.00002 0.01782
Dec. 25, 2119 0.00002 0.01782
Aug. 20, 2122 0.00002 0.01785
Dec. 20, 2056 0.00002 0.01786
Jan. 27, 2089 0.00002 0.01782
Jan. 22, 2091 0.00002 0.0178
May 14, 2059 0.00002 0.01782
Oct. 8, 2078 0.00001 0.01789
Sept. 22, 2088 0.00001 0.01781
Dec. 29, 2055 0.00001 0.01782
Dec. 21, 2082 0.00001 0.01776
Nov. 19, 2097 0.00001 0.01784
Jan. 9, 2068 0.00001 0.0178
Nov. 19, 2083 0.00001 0.01777
Jan. 26, 2085 0.00001 0.01782
Jan. 27, 2088 0.00001 0.01781
Oct. 4, 2101 0.00001 0.01782
Sept. 14, 2079 0.00001 0.01784
Dec. 19, 2092 0.00001 0.01788
Aug. 30, 2117 0.00001 0.01781
Sept. 29, 2081 0.00001 0.01787
Feb. 5, 2089 0.00001 0.01779
Oct. 3, 2081 0.00001 0.0178
Jan. 3, 2078 0.00001 0.01777
Jan. 27, 2078 0.00001 0.01781
Dec. 31, 2102 0.00001 0.01781
Aug. 29, 2119 0.00001 0.01781
Dec. 31, 2075 0.00001 0.01777
Nov. 28, 2089 0.00001 0.01782
Dec. 30, 2108 0.00001 0.01783
Dec. 10, 2082 0.00001 0.01777
Jan. 27, 2089 0.00001 0.01782
Oct. 7, 2081 0.00001 0.01781
Aug. 27, 2121 0.00001 0.0178
Dec. 28, 2115 0.00001 0.01781
Nov. 25, 2091 0.00001 0.01778
Sept. 2, 2112 0.00001 0.01784
Dec. 31, 2090 0.00001 0.01784
Dec. 31, 2078 0.00000 0.01774
Jan. 24, 2088 0.00000 0.01779
Aug. 30, 2116 0.00000 0.01781
Dec. 6, 2117 0.00000 0.01784
Jan. 20, 2114 0.00000 0.01782
Dec. 23, 2107 0.00000 0.01781
Nov. 17, 2093 0.00000 0.01784
Feb. 5, 2082 0.00000 0.01782
Jan. 31, 2095 0.00000 0.01784
Feb. 9, 2103 0.00000 0.01779
Jan. 25, 2091 0.00000 0.01778
Sept. 14, 2066 0.00000 0.01784
Jan. 28, 2093 0.00000 0.01779
Jan. 30, 2107 0.00000 0.01782
Dec. 25, 2115 0.00000 0.01784
Dec. 27, 2087 0.00000 0.01783
Feb. 17, 2082 0.00000 0.01787
Aug. 25, 2121 0.00000 0.01784
Oct. 15, 2096 0.00000 0.0178
Feb. 9, 2065 0.00000 0.01784
Sept. 5, 2096 0.00000 0.01786
Dec. 12, 2075 0.00000 0.01784
Jan. 27, 2088 0.00000 0.01782
Dec. 30, 2092 0.00000 0.01784
Jan. 29, 2070 0.00000 0.01782
Dec. 4, 2094 0.00000 0.01785
Jan. 28, 2103 0.00000 0.01782
Sept. 6, 2091 0.00000 0.01784
May 25, 2120 0.00000 0.01776
Oct. 11, 2083 0.00000 0.01784
Jan. 30, 2084 0.00000 0.01784
Dec. 31, 2117 0.00000 0.01784
Sept. 19, 2083 0.00000 0.01778
Jan. 18, 2105 0.00000 0.01782
Feb. 6, 2079 0.00000 0.01779
Nov. 19, 2075 0.00000 0.01783
Sept. 5, 2106 0.00000 0.0178
Feb. 7, 2094 0.00000 0.01779
Feb. 8, 2104 0.00000 0.01784
Dec. 4, 2088 0.00000 0.01775
Feb. 7, 2092 0.00000 0.01783
Oct. 11, 2103 0.00000 0.01779
Dec. 20, 2101 0.00000 0.0178
Jan. 30, 2079 0.00000 0.01783
Dec. 26, 2105 0.00000 0.01784
Nov. 14, 2080 0.00000 0.01784
Oct. 1, 2103 0.00000 0.01789
Sept. 22, 2099 0.00000 0.0178
Sept. 5, 2103 0.00000 0.01781
Feb. 6, 2078 0.00000 0.01784
Dec. 21, 2112 0.00000 0.01787
Jan. 27, 2082 0.00000 0.01782
Sept. 4, 2104 0.00000 0.01782
Feb. 5, 2118 0.00000 0.01779
Nov. 24, 2075 0.00000 0.01784
Feb. 6, 2105 0.00000 0.01782
Jan. 3, 2104 0.00000 0.01774
Dec. 29, 2087 0.00000 0.01783
Dec. 23, 2095 0.00000 0.01784
Jan. 20, 2081 0.00000 0.01776
Aug. 30, 2118 0.00000 0.01784
Jan. 3, 2109 0.00000 0.01781
Dec. 11, 2073 0.00000 0.01773
Jan. 19, 2095 0.00000 0.01778
Oct. 24, 2106 0.00000 0.01787
Dec. 8, 2120 0.00000 0.01777
Feb. 1, 2067 0.00000 0.01777
Nov. 22, 2118 0.00000 0.0178
Feb. 3, 2082 0.00000 0.01786
Oct. 4, 2118 0.00000 0.01786
Feb. 6, 2088 0.00000 0.01783
Nov. 18, 2115 0.00000 0.01778
Nov. 5, 2102 0.00000 0.01778
Feb. 13, 2101 0.00000 0.01785
Dec. 29, 2101 0.00000 0.01786
Dec. 10, 2089 0.00000 0.01777
Aug. 6, 2114 0.00000 0.01776
Feb. 9, 2098 0.00000 0.01776
Dec. 21, 2080 0.00000 0.01775
Dec. 25, 2098 0.00000 0.01788
Nov. 28, 2117 0.00000 0.01778
Jan. 5, 2110 0.00000 0.01776
Sept. 22, 2110 0.00000 0.01789
Nov. 10, 2084 0.00000 0.01777
Sept. 7, 2106 0.00000 0.01772
Oct. 13, 2118 0.00000 0.01782
Dec. 21, 2120 0.00000 0.01786
Dec. 24, 2082 0.00000 0.01783
Oct. 27, 2089 0.00000 0.01791

Images and Observations

2008 EA9's orbit is determined by observations dating back to March 6, 2008. It was last officially observed on April 3, 2008. The IAU Minor Planet Center records 54 observations used to determine its orbit.

Accessibility and Exploration

2008 EA9 can be reached with a journey of 410 days. This trajectory would require a delta-v of 4.601 km/s. To put this into perspective, the delta-v to launch a rocket to Low-Earth Orbit is 9.7 km/s. There are 876,805 potential trajectories and launch windows to this asteroid.

See more at the NHATS Mission Trajectories table for 2008 EA9.

Similar Objects

These objects have orbits that share similar characteristics to the orbit of 2008 EA9:

References

Search

   or view a random object

Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 1.049 AU
  • Eccentricity: 0.074
  • Inclination: 0.44°
  • Longitude of Ascending Node: 124.02°
  • Argument of Periapsis: 343.76°
  • Mean Anomaly: 154.77°

Physical Characteristics

  • Diameter: ~0.014 km
  • Magnitude: 27.7

Derived Characteristics

  • Orbit Period: 392 days (1.07 years)
  • Avg. Orbit Speed: 29.11 km/s
  • Aphelion Distance: 1.13 AU
  • Perihelion Distance: 0.97 AU

Map Comparison

Click to load map

Orbit Simulation

Sky Map

The position of 2008 EA9 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.