Asteroid General Data

2022 UD₂₁

General information

Preliminary designation	2022 UD₂₁
Group	Apollo
Absolute magnitude	25.56
Approximate diameter (m)	21
Approximate mass (kg)	1.58·10⁷
Number of observations	108
Arc length (days)	736

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	327.299995
a – orbit major semiaxis (astronomical units)	1.58477900
e – orbit eccentricity	0.37493200
ω – orbit ascending node-perihelion angle (degrees)	207.558226
Ω – longitude of orbit ascending node (degrees)	217.915909
i – orbit inclination to the ecliptic plane (degrees)	18.363559

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	184.770075	1.58096207	0.37186421	205.143216	219.179120	18.486002	0.99305886	1.987846
01/21/1858	32.565987	1.58227188	0.37305458	205.735801	218.906719	18.449350	0.99199811	1.990317
01/29/1887	247.836319	1.58048807	0.37265485	206.009779	218.747856	18.447895	0.99151152	1.986952
02/07/1916	104.177431	1.58110282	0.37268529	206.294223	218.588797	18.432311	0.99184907	1.988112
02/14/1945	319.033367	1.58114747	0.37282851	206.546872	218.449480	18.421767	0.99165062	1.988196
02/22/1974	174.527220	1.58063505	0.37297357	206.851277	218.294222	18.410281	0.99109995	1.987229
03/02/2003	31.381018	1.58100175	0.37311002	207.087246	218.144561	18.399958	0.99111416	1.987921
03/09/2032	237.859673	1.58197809	0.37391233	207.693464	217.869248	18.362888	0.99045698	1.989763
03/17/2061	93.959328	1.58055691	0.37381081	207.943623	217.708864	18.359728	0.98972766	1.987082
03/25/2090	309.963241	1.58089816	0.37428272	208.211695	217.565397	18.350921	0.98919530	1.987726
04/03/2119	164.713394	1.58120862	0.37426312	208.465718	217.408764	18.339085	0.98942055	1.988311
04/10/2148	20.571973	1.58062254	0.37433345	208.687400	217.262750	18.331994	0.98894266	1.987206
04/18/2177	237.250497	1.58098843	0.37467844	208.974042	217.093680	18.318215	0.98862615	1.987896

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