Asteroid General Data

2021 YD

General information

Preliminary designation	2021 YD
Group	Apollo
Absolute magnitude	24.26
Approximate diameter (m)	37
Approximate mass (kg)	9.55·10⁷
Number of observations	46
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	115.357985
a – orbit major semiaxis (astronomical units)	1.59605400
e – orbit eccentricity	0.40600700
ω – orbit ascending node-perihelion angle (degrees)	209.827512
Ω – longitude of orbit ascending node (degrees)	270.337658
i – orbit inclination to the ecliptic plane (degrees)	14.109973

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	282.800655	1.61003089	0.40967022	207.174857	271.813553	14.157752	0.95044918	2.042923
01/21/1858	359.477136	1.60237220	0.40716544	207.731022	271.577929	14.177645	0.94994162	2.028363
01/29/1887	107.242337	1.60285350	0.40740701	208.048564	271.376941	14.160322	0.94983974	2.029277
02/07/1916	214.943757	1.60291328	0.40779093	208.360256	271.201286	14.142958	0.94925979	2.029391
02/14/1945	339.143595	1.59861359	0.40629671	208.872808	270.930030	14.148651	0.94910214	2.021231
02/22/1974	108.547050	1.59812346	0.40660570	209.150767	270.755136	14.135990	0.94831735	2.020301
03/02/2003	238.077146	1.59864111	0.40665381	209.460293	270.563729	14.117505	0.94854761	2.021283
03/09/2032	12.716145	1.59680945	0.40648467	209.850457	270.291907	14.107846	0.94773088	2.017810
03/17/2061	147.953359	1.59730709	0.40631851	210.197627	270.074149	14.085392	0.94829165	2.018753
03/25/2090	284.278761	1.59692239	0.40646594	210.462609	269.901332	14.072960	0.94782783	2.018024
04/03/2119	59.755513	1.59737722	0.40664411	210.809444	269.700064	14.051632	0.94781318	2.018886
04/10/2148	201.969318	1.59631498	0.40653622	211.266626	269.394088	14.028953	0.94735512	2.016873
04/18/2177	340.584781	1.59637832	0.40649031	211.586274	269.181089	14.009804	0.94746600	2.016993

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