Key Facts

  • Categorized as a Aten-class Asteroid
  • Comparable in size to a school bus or smaller
  • Will pass within 6,746 km of Earth in 2020
  • Classified as a Near Earth Asteroid (NEA)
  • Not a Potentially Hazardous Object
  • See orbit simulation

Overview

2020 VT4 is a very small asteroid whose orbit could bring it in close proximity to Earth. NASA JPL has classified 2020 VT4 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.

2020 VT4 orbits the sun every 316 days (0.87 years), coming as close as 0.72 AU and reaching as far as 1.09 AU from the sun. Based on its brightness and the way it reflects light, 2020 VT4 is probably between 0.003 to 0.015 kilometers in diameter, making it a small to average asteroid, very roughly comparable in size to a school bus or smaller.

Close Approaches

2020 VT4'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.

2020 VT4 has 26 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
Nov. 13, 2020 6,746 13.427
March 11, 2028 25,430,398 9.180
Nov. 27, 2033 18,309,542 6.144
Nov. 17, 2039 29,487,833 13.160
Jan. 30, 2047 29,481,870 4.951
April 7, 2047 25,452,606 7.078
Nov. 13, 2052 3,765,428 8.483
March 31, 2060 23,904,183 7.056
Nov. 14, 2065 12,254,034 9.923
April 11, 2073 26,286,553 7.193
Nov. 16, 2078 21,787,006 11.688
Dec. 20, 2085 26,378,921 6.085
Nov. 21, 2098 15,047,407 6.219
March 12, 2106 26,369,776 9.673
Nov. 19, 2111 11,107,360 6.487
March 12, 2119 26,902,344 9.841
Nov. 27, 2124 18,493,724 6.092
Dec. 20, 2137 26,123,166 6.061
Nov. 17, 2143 20,314,352 11.410
April 5, 2151 24,465,107 7.046
Nov. 14, 2156 6,380,300 8.928
April 1, 2164 23,379,176 7.078
Nov. 15, 2169 6,552,146 8.942
April 10, 2177 25,205,145 7.109
Nov. 17, 2182 21,017,839 11.528
March 11, 2197 28,099,503 10.365

Images and Observations

2020 VT4's orbit is determined by observations dating back to Nov. 14, 2020. It was last officially observed on Nov. 19, 2020. The IAU Minor Planet Center records 34 observations used to determine its orbit.

Accessibility and Exploration

2020 VT4 can be reached with a journey of 346 days. This trajectory would require a delta-v of 8.922 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 5,939 potential trajectories and launch windows to this asteroid.

See more at the NHATS Mission Trajectories table for 2020 VT4.

Similar Objects

These objects have orbits that share similar characteristics to the orbit of 2020 VT4:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 0.908 AU
  • Eccentricity: 0.203
  • Inclination: 10.17°
  • Longitude of Ascending Node: 231.39°
  • Argument of Periapsis: 53.69°
  • Mean Anomaly: 203.13°

Physical Characteristics

  • Diameter: ~0.009 km
  • Magnitude: 28.61

Derived Characteristics

  • Orbit Period: 316 days (0.87 years)
  • Avg. Orbit Speed: 31.26 km/s
  • Aphelion Distance: 1.09 AU
  • Perihelion Distance: 0.72 AU

Map Comparison

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Orbit Simulation

Sky Map

The position of 2020 VT4 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.