Harman Patil (Editor)

(237442) 1999 TA10

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Discovery date  5 October 1999
Minor planet category  Amor asteroid (NEO)
Discovered  5 October 1999
Asteroid group  Amor asteroid
MPC designation  (237442) 1999 TA10
Observation arc  5592 days (15.31 yr)
Absolute magnitude  18.1
Discovered by  Lincoln Laboratory ETS, New Mexico (704)
Aphelion  1.8695 AU (279.67 Gm) (Q)
Discoverer  Lincoln Near-Earth Asteroid Research

(237442) 1999 TA10, provisionally known as 1999 TA10, is a near-Earth object (NEO) from the Amor asteroid group. It is suspected of being an inner fragment of the differentiated asteroid 4 Vesta.

Given an absolute magnitude (H) of 17.9, and that the albedo is unknown, this NEO could vary from 500 to 1500 meters in diameter.

1999 TA10 was discovered on 5 October 1999 at apparent magnitude 17.7, when it was only 0.39 AU from Earth. In 2010, it came within 0.3 AU of Earth. During the 2010 close approach, NASA Infrared Telescope Facility (NASA IRTF) studies suggested that 1999 TA10 originated from the interior of Vesta. The next close approach will be in 2023. In 2086, it will come within 0.017 AU (2,500,000 km; 1,600,000 mi) of Mars.

References

(237442) 1999 TA10 Wikipedia


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