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(237442) 1999 TA10

Asteroid and near-Earth object

Field	Value
minorplanet	yes
background	#FFC2E0
name
discovery_ref	{{Cite web
title	MPEC 1999-T43 : 1999 TA10
publisher	IAU Minor Planet Center
date	1999-10-11
url	https://minorplanetcenter.net/mpec/J99/J99T43.html
accessdate	2011-01-12}}
discoverer	LINEAR
discovery_site	Lincoln Laboratory ETS
discovered	5 October 1999
mpc_name
mp_category	Amor asteroid (NEO)
orbit_ref	{{Cite web
type	last observation: 2010-11-08
title	JPL Small-Body Database Browser: 237442 (1999 TA10)
url	https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=1999TA10
archive-url	https://web.archive.org/web/20200920025520/https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=1999TA10
url-status	dead
archive-date	20 September 2020
accessdate	7 April 2016}}
epoch	13 January 2016 (JD 2457400.5)
aphelion	1.8695 AU (Q)
perihelion	1.1419 AU (q)
semimajor	1.5057 AU (a)
eccentricity	0.24161 (e)
period	1.85 yr (674.85 d)
inclination	20.843° (i)
asc_node	214.68° (Ω)
mean_anomaly	342.45° (M)
arg_peri	84.791° (ω)
dimensions	500–1500 meters{{Cite web
title	Conversion of Absolute Magnitude to Diameter
publisher	Minor Planet Center
url	http://www.minorplanetcenter.org/iau/lists/Sizes.html
accessdate	2011-01-12
archiveurl	https://archive.today/20101027093630/http://www.minorplanetcenter.org/iau/lists/Sizes.html
archivedate	27 October 2010
url-status	live
sidereal_day	14 hr(?)
magnitude	16.77 (close approach) to 22.29
abs_magnitude	18.1
mean_motion	/ day (n)
rotation	14 h
observation_arc	5592 days (15.31 yr)
uncertainty	0
moid	0.303797 AU

|archive-url=https://web.archive.org/web/20200920025520/https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=1999TA10 |url-status=dead |archive-date=20 September 2020 |url-status=live

****, 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.{{cite web |url-status=live

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.

was discovered by LINEAR at Lincoln Laboratory ETS on 5 October 1999 at apparent magnitude 17.7, when it was only 0.39 AU from Earth.{{cite web

References

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amor-asteroids discoveries-by-linear astronomical-objects-discovered-in-1999

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