Asteroid General Data

2009 KT₂₁ (665429)

General information

Preliminary designation	2009 KT₂₁
Number	665429
Group	Amor
Absolute magnitude	19.92
Approximate diameter (m)	280
Approximate mass (kg)	3.84·10¹⁰
Number of observations	255
Arc length (days)	6121

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	100.464237
a – orbit major semiaxis (astronomical units)	1.67066600
e – orbit eccentricity	0.33258300
ω – orbit ascending node-perihelion angle (degrees)	244.556887
Ω – longitude of orbit ascending node (degrees)	230.825006
i – orbit inclination to the ecliptic plane (degrees)	6.941213

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	274.969816	1.67104701	0.33268969	241.522410	232.829911	6.963084	1.11510690	2.160149
01/21/1858	71.388502	1.67092747	0.33242639	242.030139	232.506195	6.957883	1.11546707	2.159917
01/29/1887	228.048914	1.67110926	0.33260061	242.402579	232.249050	6.955754	1.11529731	2.160269
02/07/1916	25.047864	1.67076552	0.33225667	242.945371	231.913043	6.951449	1.11564253	2.159603
02/14/1945	181.599967	1.67100237	0.33256365	243.354025	231.638762	6.947836	1.11528773	2.160062
02/22/1974	338.409945	1.67074318	0.33261653	243.829955	231.337651	6.944624	1.11502639	2.159559
03/02/2003	135.448473	1.67078761	0.33254773	244.228147	231.054886	6.941890	1.11517097	2.159646
03/09/2032	293.183174	1.67050980	0.33289916	244.628944	230.787292	6.940633	1.11439849	2.159107
03/17/2061	89.975133	1.67083992	0.33255404	245.067717	230.474638	6.938096	1.11519535	2.159747
03/25/2090	247.910977	1.67049272	0.33263373	245.429812	230.214584	6.939014	1.11483050	2.159074
04/03/2119	45.423300	1.67053570	0.33229888	245.974473	229.872180	6.934795	1.11541855	2.159157
04/10/2148	203.175805	1.67083535	0.33262620	246.404944	229.587989	6.934015	1.11507174	2.159738
04/18/2177	0.582686	1.67061707	0.33224130	246.862151	229.277096	6.932211	1.11556909	2.159315

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