Asteroid General Data

2021 DR

General information

Preliminary designation	2021 DR
Group	Aten
Absolute magnitude	27.76
Approximate diameter (m)	8
Approximate mass (kg)	7.58·10⁵
Number of observations	68
Arc length (days)	17

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	350.879502
a – orbit major semiaxis (astronomical units)	0.89477100
e – orbit eccentricity	0.14835900
ω – orbit ascending node-perihelion angle (degrees)	217.836000
Ω – longitude of orbit ascending node (degrees)	143.022935
i – orbit inclination to the ecliptic plane (degrees)	1.484637

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	299.339682	0.91068717	0.13989262	183.095171	185.105058	1.474704	0.78328876	0.869069
01/21/1858	113.380403	0.90878288	0.14213256	194.067988	173.543195	1.211681	0.77961524	0.866345
01/29/1887	322.210364	0.90794909	0.14291201	202.690701	165.181854	1.109228	0.77819226	0.865153
02/07/1916	132.267309	0.91056677	0.14031334	209.527030	158.497843	1.495883	0.78280210	0.868897
02/14/1945	307.155196	0.90700289	0.14287478	217.476838	151.321873	1.446994	0.77741505	0.863801
02/22/1974	155.825137	0.90764889	0.14191068	218.227422	150.027682	1.442797	0.77884381	0.864724
03/02/2003	117.232414	0.89996192	0.14646429	220.149807	143.512536	1.490905	0.76814964	0.853762
03/09/2032	166.419261	0.88498540	0.15420293	213.727625	142.468631	1.494323	0.74851806	0.832539
03/17/2061	187.183519	0.88070885	0.15673564	211.887024	141.363883	1.463318	0.74267038	0.826512
03/25/2090	234.062043	0.87979948	0.15740486	220.924064	133.515871	1.410738	0.74131477	0.825232
04/03/2119	276.970712	0.88106818	0.15646923	227.554722	128.278046	1.399307	0.74320812	0.827018
04/10/2148	278.342385	0.88320131	0.15574173	228.226968	127.606995	1.378803	0.74565000	0.830023
04/18/2177	308.838106	0.88056212	0.15691112	230.773306	124.630306	1.356961	0.74239213	0.826305

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