2017 QK18 is a very small asteroid whose orbit could bring it in close proximity to Earth. NASA JPL has classified 2017 QK18 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.
2017 QK18 orbits the sun every 247 days (0.67 years), coming as close as 0.46 AU and reaching as far as 1.08 AU from the sun. Based on its brightness and the way it reflects light, 2017 QK18 is probably between 0.033 to 0.075 kilometers in diameter, making it a small to average asteroid, very roughly comparable in size to a school bus or smaller.
2017 QK18's orbit is 0.01 AU from Earth's orbit at its closest point. This means that its orbit is relatively close to Earth's orbit.
2017 QK18 has 10 close approaches predicted in the coming decades:
|Date||Distance from Earth (km)||Velocity (km/s)|
|Aug. 13, 2019||11,411,750||7.418|
|July 23, 2021||10,551,816||9.544|
|July 23, 2023||27,158,204||14.067|
|Sept. 18, 2040||24,119,059||13.874|
|Sept. 18, 2042||2,860,327||9.288|
|Aug. 31, 2044||9,811,573||7.438|
|Aug. 4, 2046||10,273,964||7.675|
|July 23, 2048||12,857,107||10.379|
|July 24, 2050||29,192,998||14.554|
|Sept. 5, 2073||8,425,919||7.544|
2017 QK18's orbit is determined by observations dating back to Aug. 24, 2017. It was last officially observed on Sept. 19, 2017. The IAU Minor Planet Center records 25 observations used to determine its orbit.
The position of 2017 QK18 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.