137184 (1999 JG63) is a mid-sized asteroid with an orbit that crosses the orbit of Mars. NASA JPL has not classified 1999 JG63 as potentially hazardous because its orbit does not bring it close to Earth.
1999 JG63 orbits the sun every 1,860 days (5.09 years), coming as close as 1.31 AU and reaching as far as 4.61 AU from the sun. 1999 JG63 is about 4.8 kilometers in diameter, making it larger than 99% of asteroids, comparable in size to the San Francisco Bay.
The rotation of 1999 JG63 has been observed. It completes a rotation on its axis every 4.87 hours.
1999 JG63's orbit is 0.33 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.
Orbital simulations conducted by NASA JPL's CNEOS do not show any close approaches to Earth.
1999 JG63's orbit is determined by observations dating back to Feb. 23, 1999. It was last officially observed on March 18, 2023. The IAU Minor Planet Center records 1,449 observations used to determine its orbit.
The position of 137184 (1999 JG63) 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.
The above comparison is an artistic rendering that uses available data on the diameter of 1999 JG63 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.