Asteroid General Data

2021 WB

General information

Preliminary designation	2021 WB
Group	Apollo
Absolute magnitude	22.62
Approximate diameter (m)	79
Approximate mass (kg)	9.20·10⁸
Number of observations	19
Arc length (days)	18

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	129.161634
a – orbit major semiaxis (astronomical units)	2.32584700
e – orbit eccentricity	0.56546200
ω – orbit ascending node-perihelion angle (degrees)	2.819081
Ω – longitude of orbit ascending node (degrees)	64.508930
i – orbit inclination to the ecliptic plane (degrees)	19.736995

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	207.982961	2.32482688	0.56619013	359.340371	66.152893	19.984655	1.00853284	3.544758
01/21/1858	280.548159	2.32436506	0.56498903	359.781992	65.928488	19.912389	1.01112430	3.543701
01/29/1887	352.086926	2.32281964	0.56732564	0.063040	65.735484	19.952250	1.00502450	3.540168
02/07/1916	61.558323	2.32291180	0.56631896	0.660017	65.449907	19.907168	1.00740280	3.540378
02/14/1945	130.795240	2.32103269	0.56683888	1.322769	65.205489	19.886290	1.00538111	3.536083
02/22/1974	195.203362	2.32399654	0.56733990	2.013890	64.939252	19.833148	1.00550057	3.542859
03/02/2003	258.890201	2.32686208	0.56583805	2.670600	64.694774	19.752422	1.01023498	3.549413
03/09/2032	323.468692	2.32509076	0.56636902	3.321577	64.400569	19.720343	1.00823139	3.545361
03/17/2061	31.793345	2.32444235	0.56567171	3.529949	64.193878	19.690663	1.00957106	3.543878
03/25/2090	102.755426	2.32267754	0.56824683	4.007612	63.998238	19.714574	1.00282338	3.539843
04/03/2119	172.365958	2.32290563	0.56904736	4.552866	63.712553	19.671911	1.00106231	3.540364
04/10/2148	241.252273	2.31892151	0.56911891	5.158772	63.439765	19.630570	0.99917942	3.531260
04/18/2177	312.802976	2.32035419	0.56866967	5.745343	63.167956	19.550212	1.00083914	3.534533

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