Asteroid General Data

2021 DU

General information

Preliminary designation	2021 DU
Group	Amor
Absolute magnitude	23.35
Approximate diameter (m)	57
Approximate mass (kg)	3.36·10⁸
Number of observations	41
Arc length (days)	81

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	241.483995
a – orbit major semiaxis (astronomical units)	2.19987500
e – orbit eccentricity	0.50306900
ω – orbit ascending node-perihelion angle (degrees)	104.128898
Ω – longitude of orbit ascending node (degrees)	80.380238
i – orbit inclination to the ecliptic plane (degrees)	7.576502

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	82.454062	2.20146391	0.50587168	95.611853	86.806664	7.480086	1.08780567	3.266389
01/21/1858	34.378043	2.20085858	0.50546001	97.308370	85.582517	7.494360	1.08841258	3.265042
01/29/1887	350.002404	2.20312894	0.50377883	97.795264	85.104593	7.500529	1.09323922	3.270096
02/07/1916	304.570739	2.20182934	0.50522963	99.302028	83.984981	7.513833	1.08939993	3.267203
02/14/1945	258.759497	2.20443497	0.50283050	100.429244	83.125527	7.530676	1.09597782	3.273004
02/22/1974	212.753811	2.20268847	0.50317230	101.570023	82.249773	7.544617	1.09435664	3.269115
03/02/2003	168.081264	2.20387177	0.50284693	102.756905	81.341401	7.561561	1.09566162	3.271750
03/09/2032	123.110681	2.20248469	0.50360543	104.158210	80.352126	7.585563	1.09330144	3.268662
03/17/2061	78.150949	2.20431845	0.50174212	105.243016	79.493278	7.605222	1.09831902	3.272745
03/25/2090	32.411514	2.20092452	0.50490406	106.288710	78.705207	7.622623	1.08966878	3.265189
04/03/2119	348.032042	2.20246138	0.50316134	107.744425	77.639466	7.654256	1.09426797	3.268610
04/10/2148	304.845224	2.20069801	0.50484303	108.207628	77.167725	7.663031	1.08969095	3.264685
04/18/2177	257.832269	2.20226427	0.50420275	109.668422	76.087702	7.695308	1.09187657	3.268171

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