is a sub-kilometre asteroid, classified as a near-Earth object of the Apollo group. On 28 August 2019, the object safely passed 1.028 million kilometres from Earth, travelling at around .
Observation was first observed on 25 July 2019 by Pan-STARRS 1 at Haleakala Observatory, Hawaii, United States.
Orbit and classification is classified as an Apollo asteroid, which means that it is an Earth-crossing asteroid that has an orbital semi-major axis greater than but a perihelion distance less than Earth's aphelion distance of .
Close approach in 2019
On 28 August 2019, safely passed from Earth, travelling at around .
Physical characteristics Based on its absolute magnitude of 22.874, is estimated to have a diameter of 71–160 metres using an assumed albedo of 0.05 (carbonaceous) and 0.25 (siliceous) respectively.
See also List of asteroid close approaches to Earth in 2019
Notes
References
External links MPEC 2009-O111 : 2019 OU1, Minor Planet Electronic Circular List Of Apollo Minor Planets (by designation), Minor Planet Center