Key Facts

  • Categorized as a Apollo-class Asteroid
  • Comparable in size to Mount Everest
  • Will pass within 25,837,101 km of Earth in 2064
  • Classified as a Near Earth Asteroid (NEA)
  • Not a Potentially Hazardous Object
  • See orbit simulation

Overview

Ubasti is a mid-sized asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified Ubasti 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.

Ubasti orbits the sun every 772 days (2.11 years), coming as close as 0.88 AU and reaching as far as 2.42 AU from the sun. Based on its brightness and the way it reflects light, Ubasti is probably between 1.624 to 3.631 kilometers in diameter, making it larger than 99% of asteroids, very roughly comparable in size to Mount Everest.

The rotation of Ubasti has been observed. It completes a rotation on its axis every 4.40 hours.

Close Approaches

Ubasti's orbit is 0.17 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.

Ubasti has 3 close approaches predicted in the coming decades:

Date Distance from Earth (km) Velocity (km/s)
March 4, 2064 25,837,101 24.014
March 4, 2138 26,692,667 22.886
March 7, 2157 29,291,525 25.075

Images and Observations

Ubasti's orbit is determined by observations dating back to Aug. 23, 1987. It was last officially observed on July 30, 2023. The IAU Minor Planet Center records 1,005 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 Ubasti:

References

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Orbital Elements

  • Epoch: 2460200.5 JD
  • Semi-major axis: 1.647 AU
  • Eccentricity: 0.4683
  • Inclination: 40.72°
  • Longitude of Ascending Node: 169.16°
  • Argument of Periapsis: 278.92°
  • Mean Anomaly: 334.47°

Physical Characteristics

  • Diameter: ~2.096 km
  • Magnitude: 16.07

Derived Characteristics

  • Orbit Period: 772 days (2.11 years)
  • Avg. Orbit Speed: 23.21 km/s
  • Aphelion Distance: 2.42 AU
  • Perihelion Distance: 0.88 AU
  • Rotation Period: 4.40 hours

Map Comparison

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Orbit Simulation

Sky Map

The position of Ubasti 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 Ubasti 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.