Comet C/2021 B3 (NEOWISE) is an object whose orbit does not match any defined comet orbit class. NASA JPL has not classified NEOWISE as potentially hazardous because its orbit does not bring it close to Earth.
NEOWISE orbits the sun every 75,500 days (206.71 years), coming as close as 2.16 AU and reaching as far as 67.74 AU from the sun. Its orbit is highly elliptical.
NEOWISE's orbit is 1.55 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.
NEOWISE's orbit is determined by observations dating back to Jan. 22, 2021. It was last officially observed on April 17, 2021. The IAU Minor Planet Center records 84 observations used to determine its orbit.
The position of C/2021 B3 (NEOWISE) 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.