Asteroid General Data

2011 UU₂₀ (448818)

General information

Preliminary designation	2011 UU₂₀
Number	448818
Group	Amor
Absolute magnitude	17.80
Approximate diameter (m)	730
Approximate mass (kg)	7.18·10¹¹
Number of observations	882
Arc length (days)	7526

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	246.316337
a – orbit major semiaxis (astronomical units)	2.48444400
e – orbit eccentricity	0.52485200
ω – orbit ascending node-perihelion angle (degrees)	137.245226
Ω – longitude of orbit ascending node (degrees)	355.053449
i – orbit inclination to the ecliptic plane (degrees)	21.984122

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	26.991519	2.52005457	0.50899045	132.553898	359.353130	20.975731	1.23737086	4.000512
01/21/1858	132.831390	2.50025744	0.51856402	134.494015	357.952223	21.365776	1.20371388	3.953463
01/29/1887	265.181581	2.48705070	0.52465977	135.924949	356.972475	21.664160	1.18219524	3.922180
02/07/1916	61.988820	2.47122868	0.53281457	137.086216	356.026022	21.945088	1.15452203	3.884812
02/14/1945	236.968399	2.46598362	0.53636702	137.327025	355.651788	22.033998	1.14331134	3.872451
02/22/1974	58.186349	2.46412723	0.53716268	137.210873	355.449641	22.050454	1.14049005	3.868079
03/02/2003	233.118828	2.47322227	0.53243757	137.110137	355.274780	22.009709	1.15638581	3.889514
03/09/2032	29.913406	2.48439368	0.52433323	137.206229	355.058311	21.977968	1.18174352	3.915897
03/17/2061	159.243197	2.50542745	0.50939299	137.896494	354.521948	21.996780	1.22918027	3.965732
03/25/2090	262.715321	2.51853738	0.49906573	138.287007	354.196231	21.995907	1.26162167	3.996899
04/03/2119	344.069351	2.53374424	0.48946430	138.208361	353.976915	21.925576	1.29356689	4.033154
04/10/2148	52.426819	2.53757904	0.48747920	138.137557	353.812113	21.902575	1.30056203	4.042313
04/18/2177	119.512336	2.53375582	0.48973914	137.986062	353.539568	21.935773	1.29287641	4.033181

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