Asteroid General Data

2021 DU₁

General information

Preliminary designation	2021 DU₁
Group	Aten
Absolute magnitude	23.85
Approximate diameter (m)	45
Approximate mass (kg)	1.68·10⁸
Number of observations	72
Arc length (days)	14

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	131.451940
a – orbit major semiaxis (astronomical units)	0.99348400
e – orbit eccentricity	0.28059100
ω – orbit ascending node-perihelion angle (degrees)	303.495432
Ω – longitude of orbit ascending node (degrees)	328.800995
i – orbit inclination to the ecliptic plane (degrees)	25.465286

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	277.223718	0.99313565	0.28059968	302.892325	329.629858	25.477895	0.71446211	0.989723
01/21/1858	26.859363	0.99385847	0.28051760	303.027949	329.536098	25.477051	0.71506368	0.990803
01/29/1887	136.359685	0.99312045	0.28019100	303.124530	329.434655	25.485549	0.71485703	0.989700
02/07/1916	247.543790	0.99369621	0.28025056	303.095550	329.283174	25.482947	0.71521229	0.990561
02/14/1945	357.034363	0.99367773	0.28047077	303.321050	329.161411	25.472076	0.71498017	0.990533
02/22/1974	103.223963	0.99371808	0.28037509	303.410417	329.060392	25.474753	0.71510429	0.990593
03/02/2003	213.812796	0.99356702	0.28026197	303.581540	328.947459	25.475974	0.71510797	0.990367
03/09/2032	322.315857	0.99338638	0.28053594	303.585270	328.781352	25.466795	0.71470580	0.990097
03/17/2061	70.051519	0.99388360	0.28041048	303.682519	328.686972	25.465453	0.71518823	0.990841
03/25/2090	175.130668	0.99374959	0.28033482	303.826266	328.586671	25.470631	0.71516698	0.990640
04/03/2119	282.088444	0.99376313	0.28032159	303.823908	328.450121	25.467361	0.71518987	0.990661
04/10/2148	29.463367	0.99378512	0.28046109	303.971684	328.314635	25.458677	0.71506706	0.990694
04/18/2177	130.710354	0.99414109	0.28028486	304.088726	328.218077	25.461260	0.71549840	0.991226

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