2028 will be a leap year starting on Saturday of the Gregorian calendar, the 2028th year of the Common Era (CE) and Anno Domini (AD) designations, the 28th year of the 3rd millennium, the 28th year of the 21st century, and the 9th year of the 2020s decade.
Near-Earth objects (NEOs) are technically and by convention defined as all small Solar System bodies with orbits around the Sun that lie partly between 0.983 and 1.3 astronomical units (AU; Sun–Earth distance) away from the Sun. Thus, NEOs are not necessarily currently near the Earth, but they can potentially approach the Earth relatively closely.
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