Asteroid General Data

2009 WH₂₁₆

General information

Preliminary designation	2009 WH₂₁₆
Group	Amor
Absolute magnitude	20.17
Approximate diameter (m)	250
Approximate mass (kg)	2.72·10¹⁰
Number of observations	9
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	07/27/2013
M – mean anomaly (degrees)	163.458308
a – orbit major semiaxis (astronomical units)	1.93150300
e – orbit eccentricity	0.32992000
ω – orbit ascending node-perihelion angle (degrees)	168.047238
Ω – longitude of orbit ascending node (degrees)	192.140418
i – orbit inclination to the ecliptic plane (degrees)	4.507895

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/05/1800	333.777486	1.93155194	0.32945471	165.041654	193.881556	4.435207	1.29519305	980.378471
01/13/1829	265.536875	1.93174450	0.32958186	165.458270	193.638141	4.446931	1.29507656	980.525080
01/21/1858	196.862467	1.93173172	0.32971797	165.875558	193.424842	4.456847	1.29480507	980.515352
01/29/1887	127.932841	1.93153943	0.33028227	166.329512	193.155960	4.467376	1.29358620	980.368947
02/07/1916	58.091692	1.93163791	0.32998068	166.720636	192.924328	4.474860	1.29423471	980.443922
02/14/1945	348.327728	1.93182098	0.33046630	167.146656	192.661135	4.484818	1.29341926	980.583311
02/22/1974	278.524081	1.93150913	0.32998304	167.551026	192.447828	4.493836	1.29414388	980.345883
03/02/2003	208.743304	1.93159206	0.33030667	167.939453	192.194062	4.506204	1.29357431	980.409020
03/09/2032	139.353387	1.93184073	0.32976220	168.374686	191.973430	4.515950	1.29479269	980.598347
03/17/2061	70.192574	1.93180141	0.32970014	168.796321	191.746308	4.526706	1.29488621	980.568412
03/25/2090	1.704991	1.93157299	0.32953123	169.224622	191.518885	4.537703	1.29505937	980.394495
04/03/2119	293.471509	1.93143359	0.32956782	169.578976	191.320241	4.547536	1.29489524	980.288369
04/10/2148	225.247733	1.93206952	0.32961534	169.967318	191.096833	4.558449	1.29522978	980.772555
04/18/2177	157.190929	1.93154493	0.32973595	170.369342	190.891206	4.567610	1.29464512	980.373134
04/27/2206	88.772486	1.93124271	0.33006461	170.693609	190.674354	4.577068	1.29380783	980.143050

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