Category:Near-Earth objects
Template:Cat main Articles about near-Earth objects, including 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). If a NEO's orbit crosses the Earth's, and the object is larger than Script error: No such module "convert". across, it is considered a potentially hazardous object (PHO). Most known PHOs and NEOs are asteroids, but a small fraction are comets. Script error: No such module "Side box".
All asteroids should be sorted using a 0-padded 8-digit sortkey created from the <year><month><day> of closest approach. For example, 1991 BA should use [[Category:Near-Earth objects in 1991|19910118]] for 1991 January 18.
Subcategories
This category has the following 2 subcategories, out of 2 total.
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- Near-Earth object tracking (12 P)
Script error: No such module "anchor".Pages in category "Near-Earth objects"
The following 5 pages are in this category, out of 5 total. This list may not reflect recent changes.