Asteroid General Data

2021 DH₁

General information

Preliminary designation	2021 DH₁
Group	Apollo
Absolute magnitude	26.86
Approximate diameter (m)	11
Approximate mass (kg)	2.63·10⁶
Number of observations	13
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	153.727428
a – orbit major semiaxis (astronomical units)	1.40884000
e – orbit eccentricity	0.43621500
ω – orbit ascending node-perihelion angle (degrees)	293.932271
Ω – longitude of orbit ascending node (degrees)	141.826802
i – orbit inclination to the ecliptic plane (degrees)	2.549508

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	140.685607	1.42148581	0.43927491	291.853920	144.310387	2.601301	0.79706275	1.694784
01/21/1858	185.532765	1.42146101	0.43930446	292.144141	144.112317	2.607636	0.79700685	1.694740
01/29/1887	230.259134	1.42181986	0.43931460	292.736170	143.560022	2.594761	0.79719363	1.695382
02/07/1916	272.113109	1.42189167	0.43938969	293.234470	143.216454	2.598383	0.79712714	1.695510
02/14/1945	311.598173	1.41364379	0.43728904	293.064106	142.815526	2.568726	0.79547285	1.680779
02/22/1974	46.157045	1.41405511	0.43728357	293.577245	142.360403	2.562742	0.79571205	1.681513
03/02/2003	140.210059	1.41360376	0.43724343	293.818996	142.167629	2.567303	0.79551481	1.680708
03/09/2032	252.627835	1.40890163	0.43610729	294.067305	141.757474	2.550878	0.79446936	1.672329
03/17/2061	16.419912	1.40953828	0.43647582	294.362980	141.573007	2.555586	0.79430889	1.673462
03/25/2090	146.888773	1.40662413	0.43580599	295.390605	140.774820	2.536147	0.79360892	1.668275
04/03/2119	286.012745	1.40688989	0.43570734	296.024323	140.032515	2.522205	0.79389764	1.668748
04/10/2148	67.635256	1.40636395	0.43533228	296.143624	139.826345	2.526569	0.79412832	1.667812
04/18/2177	214.173475	1.40578312	0.43522410	296.322845	139.591741	2.533302	0.79395243	1.666779

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