Asteroid General Data

2010 DM₂₁

General information

Preliminary designation	2010 DM₂₁
Group	Apollo
Absolute magnitude	20.20
Approximate diameter (m)	240
Approximate mass (kg)	2.61·10¹⁰
Number of observations	79
Arc length (days)	1962

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	160.507096
a – orbit major semiaxis (astronomical units)	2.86208400
e – orbit eccentricity	0.65721100
ω – orbit ascending node-perihelion angle (degrees)	263.229908
Ω – longitude of orbit ascending node (degrees)	177.982248
i – orbit inclination to the ecliptic plane (degrees)	21.147226

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	273.428696	2.86631377	0.64860582	253.160450	189.284516	21.863647	1.00720599	4.852731
01/21/1858	261.295826	2.86952379	0.64860856	254.149015	188.147191	21.738302	1.00832610	4.860885
01/29/1887	248.953076	2.86458899	0.65088554	255.206887	186.977956	21.666324	1.00006944	4.848351
02/07/1916	243.934986	2.85951032	0.65418175	257.022543	184.880155	21.526281	0.98887086	4.835464
02/14/1945	235.595610	2.86769801	0.65262282	258.888073	182.866712	21.348391	0.99617285	4.856247
02/22/1974	220.730893	2.87277966	0.65119081	259.881273	181.713754	21.253192	1.00205195	4.869160
03/02/2003	211.772039	2.86589000	0.65533762	261.152327	180.292924	21.224342	0.98776448	4.851655
03/09/2032	206.758444	2.87156131	0.65499993	264.357159	176.884796	21.006991	0.99068886	4.866063
03/17/2061	192.536261	2.88041031	0.65217326	265.153109	175.808902	21.003047	1.00188374	4.888573
03/25/2090	178.730693	2.87084048	0.65710714	266.179795	174.522237	20.948092	0.98439071	4.864231
04/03/2119	174.071720	2.86744766	0.65743367	269.379120	171.126359	21.015678	0.98229102	4.855611
04/10/2148	164.722725	2.87428763	0.65453439	270.523824	169.754305	20.978594	0.99296752	4.872995
04/18/2177	150.431955	2.86772355	0.65757223	271.651247	168.501738	21.022568	0.98198819	4.856311

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