Bienor is a large asteroid with an orbit between Jupiter and Neptune. NASA JPL has not classified Bienor as potentially hazardous because its orbit does not bring it close to Earth.
Bienor orbits the sun every 24,400 days (66.80 years), coming as close as 13.18 AU and reaching as far as 19.74 AU from the sun. Bienor is about 187.5 kilometers in diameter, making it larger than 99% of asteroids, comparable in size to the U.S. state of Maryland.
The rotation of Bienor has been observed. It completes a rotation on its axis every 9.14 hours.
Bienor's orbit is 12.20 AU from Earth's orbit at its closest point. This means that there is an extremely wide berth between this asteroid and Earth at all times.
Orbital simulations conducted by NASA JPL's CNEOS do not show any close approaches to Earth.
Bienor's orbit is determined by observations dating back to Jan. 12, 1953. It was last officially observed on Jan. 17, 2021. The IAU Minor Planet Center records 744 observations used to determine its orbit.
The position of Bienor 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.