Asteroid General Data

2021 WD₃

General information

Preliminary designation	2021 WD₃
Group	Aten
Absolute magnitude	25.55
Approximate diameter (m)	21
Approximate mass (kg)	1.61·10⁷
Number of observations	28
Arc length (days)	8

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	72.624294
a – orbit major semiaxis (astronomical units)	0.98936500
e – orbit eccentricity	0.10659400
ω – orbit ascending node-perihelion angle (degrees)	55.109445
Ω – longitude of orbit ascending node (degrees)	242.795297
i – orbit inclination to the ecliptic plane (degrees)	8.891381

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	58.505817	0.98871724	0.10933786	55.199039	245.638923	8.751008	0.88061302	0.983125
01/21/1858	242.639956	0.98852381	0.10871739	54.939826	245.011393	8.788472	0.88105409	0.982837
01/29/1887	67.379789	0.98888712	0.10898313	55.207469	244.887664	8.786940	0.88111511	0.983378
02/07/1916	250.033654	0.98859129	0.10806149	55.250941	244.222429	8.824530	0.88176264	0.982937
02/14/1945	76.943569	0.98868170	0.10790761	55.499333	244.084325	8.825436	0.88199543	0.983072
02/22/1974	263.312182	0.98837671	0.10714825	55.227950	243.472102	8.861257	0.88247388	0.982617
03/02/2003	91.231922	0.98867486	0.10746442	55.443611	243.351182	8.860559	0.88242749	0.983062
03/09/2032	277.753039	0.98832186	0.10647359	55.449233	242.702926	8.898895	0.88309169	0.982535
03/17/2061	108.664240	0.98851302	0.10639818	55.577036	242.577788	8.901232	0.88333703	0.982820
03/25/2090	295.983562	0.98841941	0.10593220	55.527157	241.960615	8.933277	0.88371397	0.982681
04/03/2119	124.827445	0.98853064	0.10579594	55.853413	241.818307	8.931973	0.88394811	0.982847
04/10/2148	312.520381	0.98841414	0.10496528	55.747325	241.196529	8.967459	0.88466498	0.982673
04/18/2177	140.500596	0.98870423	0.10519411	55.885680	241.081164	8.968653	0.88469838	0.983106

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