Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to the Golden Gate Bridge
  • Will pass within 25,937,472 km of Earth in 2040
  • Classified as a Near Earth Asteroid (NEA)
  • Classified as a Potentially Hazardous Asteroid (PHA)
  • See orbit simulation

Overview

2020 MA3 is a small asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified 2020 MA3 as a "Potentially Hazardous Asteroid" due to its predicted close pass(es) with Earth.

2020 MA3 orbits the sun every 1,450 days (3.97 years), coming as close as 0.75 AU and reaching as far as 4.27 AU from the sun. Its orbit is highly elliptical. Based on its brightness and the way it reflects light, 2020 MA3 is probably between 0.421 to 0.942 kilometers in diameter, making it larger than ~97% of asteroids but small compared to large asteroids, very roughly comparable in size to the Golden Gate Bridge.

Close Approaches

2020 MA3's orbit is 0.03 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.

2020 MA3 has 4 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
Dec. 18, 2040 25,937,472 24.294
Dec. 8, 2044 5,754,636 20.149
Dec. 1, 2048 11,202,287 18.049
Dec. 3, 2155 14,619,910 18.281

Images and Observations

2020 MA3's orbit is determined by observations dating back to June 7, 2012. It was last officially observed on Feb. 6, 2021. The IAU Minor Planet Center records 46 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 2020 MA3:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 2.511 AU
  • Eccentricity: 0.702
  • Inclination: 16.55°
  • Longitude of Ascending Node: 69.33°
  • Argument of Periapsis: 302.73°
  • Mean Anomaly: 246.77°

Physical Characteristics

  • Diameter: ~0.544 km
  • Magnitude: 19.0

Derived Characteristics

  • Orbit Period: 1,450 days (3.97 years)
  • Avg. Orbit Speed: 18.84 km/s
  • Aphelion Distance: 4.27 AU
  • Perihelion Distance: 0.75 AU

Map Comparison

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Orbit Simulation

Sky Map

The position of 2020 MA3 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 2020 MA3 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.