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169P/NEAT

Periodic comet

Field	Value
name	169P/NEAT
discoverer	NEAT
discovery_date	March 15, 2002
designations
orbit_ref
epoch	2022-08-09 (2459800.5)
semimajor	2.6021 AU
perihelion	0.60282 AU
aphelion	4.6014 AU
eccentricity	0.76833
period	4.1975 yr
inclination	11.2985°
physical_ref
mean_radius	2.5 km
rotation	8.4 hours
last_p	9 July 2022

169/NEAT is a periodic comet in the Solar System. It is the parent body of the alpha Capricornids meteor shower in late July. 169/NEAT may be related to comet P/2003 T12 (SOHO).

Physical characteristics

169P is a low activity comet roughly about 5.0 km in diameter, with a rotation period lasting about 8.4 hours. It could have originated from the main asteroid belt.

Orbit

It last came to perihelion (closest approach to the Sun) on 9 July 2022. On 13 July 2022 passed 0.1395 AU from Venus. On 11 August 2026, it will pass 0.1672 AU from Earth and then come to perihelion on 21 September 2026.

169P has a similar stable orbit with the smaller body P/ (SOHO), both avoiding close encounters with Jupiter. It is possible that both comets likely fragmented from a parent body a bit over 2,000 years ago. A further fragmentation even about 4,500 to 5,000 years ago could have produced the meteors of the alpha Capricornids meteor shower. The total estimated mass of the meteors is similar to that of the surviving comet.

References

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References

[https://archive.today/20140531163229/https://groups.yahoo.com/neo/groups/mpml/conversations/topics/29117 169P NEAT and P/2003 T12 - 300 years ago]

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

periodic-comets near-earth-comets numbered-comets jupiter-family-comets discoveries-by-neat meteor-shower-progenitors comets-in-2014 comets-in-2018 comets-in-2022

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