Mors-Somnus is a large asteroid whose orbit extends beyond the orbit of Neptune. NASA JPL has not classified Mors-Somnus as potentially hazardous because its orbit does not bring it close to Earth.
Mors-Somnus orbits the sun every 89,800 days (245.86 years), coming as close as 28.83 AU and reaching as far as 49.65 AU from the sun. Based on its brightness and the way it reflects light, Mors-Somnus is probably between 116.026 to 259.442 kilometers in diameter, making it larger than 99% of asteroids, very roughly comparable in size to the U.S. state of New Jersey.
The rotation of Mors-Somnus has been observed. It completes a rotation on its axis every 9.28 hours.
Mors-Somnus's orbit is 27.80 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.
Mors-Somnus's orbit is determined by observations dating back to Oct. 14, 2007. It was last officially observed on Feb. 7, 2021. The IAU Minor Planet Center records 264 observations used to determine its orbit.
The position of Mors-Somnus 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.