2021 TP21
is an Apophis-sized asteroid that was discovered on 11 October 2021 when it was  from Earth. This potentially hazardous asteroid (PHA) spends most or its orbit closer to  from the Sun as objects orbit more slowly when near aphelion (furthest distance from the Sun). was rated with a Torino scale of 1 from 31 October 2021 to 4 November 2021 for a potential impact on 27 March 2081. As the observation arc became longer the nominal distance from Earth became further on the potential impact date. See also

References

External links 
 
 
 

Minor planet object articles (unnumbered)
Discoveries by MLS
Near-Earth objects removed from the Sentry Risk Table
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