Asteroid General Data

2003 WU₂₁

General information

Preliminary designation	2003 WU₂₁
Group	Aten
Absolute magnitude	21.60
Approximate diameter (m)	130
Approximate mass (kg)	3.77·10⁹
Number of observations	137
Arc length (days)	6943

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	36.409701
a – orbit major semiaxis (astronomical units)	0.90916200
e – orbit eccentricity	0.54486400
ω – orbit ascending node-perihelion angle (degrees)	140.698193
Ω – longitude of orbit ascending node (degrees)	57.514301
i – orbit inclination to the ecliptic plane (degrees)	28.600221

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	54.110421	0.90955962	0.54591461	140.073385	58.280721	28.528577	0.41301773	0.867456
01/21/1858	218.344002	0.90954145	0.54578908	140.176778	58.162641	28.545137	0.41312366	0.867430
01/29/1887	22.598459	0.90955683	0.54573244	140.264247	58.053310	28.551238	0.41318216	0.867452
02/07/1916	185.209981	0.90957073	0.54551997	140.355258	57.941692	28.566630	0.41338174	0.867472
02/14/1945	351.377420	0.90924874	0.54531535	140.445985	57.830030	28.580125	0.41342144	0.867011
02/22/1974	164.317711	0.90901920	0.54512653	140.531692	57.721080	28.586283	0.41348871	0.866683
03/02/2003	338.081810	0.90906791	0.54496327	140.626565	57.604070	28.595573	0.41365929	0.866753
03/09/2032	150.290454	0.90921536	0.54484858	140.710045	57.496215	28.598659	0.41383067	0.866963
03/17/2061	319.899766	0.90934214	0.54460102	140.797325	57.380649	28.614062	0.41411348	0.867145
03/25/2090	128.093737	0.90930004	0.54447325	140.889223	57.274158	28.629724	0.41421049	0.867085
04/03/2119	297.359747	0.90921344	0.54428641	141.003704	57.161540	28.648826	0.41434092	0.866961
04/10/2148	110.087349	0.90903767	0.54422950	141.104010	57.051964	28.659750	0.41431255	0.866709
04/18/2177	285.645393	0.90892752	0.54417888	141.216122	56.941333	28.673288	0.41430836	0.866552

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