Asteroid General Data

2021 WH₃

General information

Preliminary designation	2021 WH₃
Group	Aten
Absolute magnitude	25.88
Approximate diameter (m)	18
Approximate mass (kg)	1.02·10⁷
Number of observations	41
Arc length (days)	13

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	39.865215
a – orbit major semiaxis (astronomical units)	0.87904200
e – orbit eccentricity	0.30149800
ω – orbit ascending node-perihelion angle (degrees)	55.590112
Ω – longitude of orbit ascending node (degrees)	237.727057
i – orbit inclination to the ecliptic plane (degrees)	4.693813

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	216.193663	0.87568510	0.30036121	51.864366	242.151350	5.159199	0.61266327	0.819450
01/21/1858	346.593940	0.87898709	0.29992092	52.348141	241.444444	5.161657	0.61536048	0.824089
01/29/1887	53.507598	0.87914742	0.29972712	52.960624	240.892618	5.168250	0.61564310	0.824315
02/07/1916	89.524459	0.88191442	0.29994221	53.974973	240.125424	4.873220	0.61739106	0.828210
02/14/1945	106.718476	0.88166052	0.30021003	54.432204	239.521412	4.881996	0.61697719	0.827852
02/22/1974	171.935546	0.87945277	0.30101950	54.459550	238.989058	4.802185	0.61472033	0.824744
03/02/2003	227.568863	0.88122671	0.30028189	55.470881	238.352530	4.781588	0.61661029	0.827241
03/09/2032	271.576743	0.87904019	0.30163374	55.632347	237.561890	4.694764	0.61389201	0.824164
03/17/2061	336.985112	0.87928710	0.30151993	56.099022	237.013983	4.698745	0.61416452	0.824511
03/25/2090	22.082330	0.88087183	0.30071737	57.018523	236.412295	4.679120	0.61597837	0.826741
04/03/2119	49.666954	0.88197253	0.30037809	57.485454	235.770079	4.698973	0.61704731	0.828291
04/10/2148	58.906406	0.88243957	0.30102328	58.164095	234.979607	4.567609	0.61680471	0.828950
04/18/2177	63.262532	0.88222916	0.30048707	58.794633	234.385264	4.591701	0.61713071	0.828653

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