• Source: 2019 OU1

2019 OU1 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 13 km/s (47,000 km/h).




Observation


2019 OU1 was first observed on 25 July 2019 by Pan-STARRS 1 at Haleakala Observatory, Hawaii, United States.




Orbit and classification


2019 OU1 is classified as an Apollo asteroid, which means that it is an Earth-crossing asteroid that has an orbital semi-major axis greater than 1 au but a perihelion distance less than Earth's aphelion distance of 1.017 au.




= Close approach in 2019

=
On 28 August 2019, 2019 OU1 safely passed 0.00687 astronomical units (1.028 million kilometres; 2.67 lunar distances) from Earth, travelling at around 13 km/s (47,000 km/h).




Physical characteristics


Based on its absolute magnitude of 22.874, 2019 OU1 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
2006 QQ23
2019 OK




Notes






References






External links


MPEC 2009-O111 : 2019 OU1, Minor Planet Electronic Circular
List Of Apollo Minor Planets (by designation), Minor Planet Center
2019 OU1 at NeoDyS-2, Near Earth Objects—Dynamic Site
Ephemerides · Observation prediction · Orbital info · MOID · Proper elements · Observational info · Close approaches · Physical info · Orbit animation
2019 OU1 at ESA–space situational awareness
Ephemerides · Observations · Orbit · Physical properties · Summary
2019 OU1 at the JPL Small-Body Database

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