is a tiny
near-Earth asteroid
A near-Earth object (NEO) is any small Solar System body whose orbit brings it into proximity with Earth. By convention, a Solar System body is a NEO if its closest approach to the Sun (perihelion) is less than 1.3 astronomical units (AU). ...
of the
Apollo group
Apollo Education Group, Inc. is an American corporation based in the South Phoenix area of Phoenix, Arizona, with an additional corporate office in Chicago, Illinois.
The company owns and operates several higher-learning institutions, including ...
that passed from the surface of Earth on 4 May 2020. It is estimated to be between 3 and 6 meters in diameter.
[Asteroid 2020 JJ flew past Earth at just 0.03 LD on May 4 -- the closest of the year and 6th closest on record]
4 May 2020
Orbit and classification
2020 JJ orbits the Sun at a distance of 0.9–2.1
AU once every 1 years and 10 months (675 days;
semi-major axis
In geometry, the major axis of an ellipse is its longest diameter: a line segment that runs through the center and both foci, with ends at the two most widely separated points of the perimeter. The semi-major axis (major semiaxis) is the long ...
of 1.51 AU). Its orbit has an
eccentricity of 0.42 and an
inclination
Orbital inclination measures the tilt of an object's orbit around a celestial body. It is expressed as the angle between a Plane of reference, reference plane and the orbital plane or Axis of rotation, axis of direction of the orbiting object ...
of 11
° with respect to the
ecliptic.
Flyby
On 4 May 2020, it passed 7,000 km above the southern
Pacific Ocean
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
.
It was the closest since on 31 October 2019.
[
]
See also
* List of asteroid close approaches to Earth in 2020
References
External links
*
*
#
Minor planet object articles (unnumbered)
20200504
20200504
{{NE-asteroid-stub