Asteroid General Data

2021 UK₄

General information

Preliminary designation	2021 UK₄
Group	Amor
Absolute magnitude	25.43
Approximate diameter (m)	22
Approximate mass (kg)	1.90·10⁷
Number of observations	31
Arc length (days)	14

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	224.602689
a – orbit major semiaxis (astronomical units)	2.09374200
e – orbit eccentricity	0.48835500
ω – orbit ascending node-perihelion angle (degrees)	327.134032
Ω – longitude of orbit ascending node (degrees)	54.950233
i – orbit inclination to the ecliptic plane (degrees)	1.874928

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	216.361065	2.10019633	0.48597752	325.385818	55.366708	1.895393	1.07954813	3.043620
01/21/1858	49.608045	2.09942195	0.48623148	325.506619	55.254879	1.889990	1.07861691	3.041937
01/29/1887	245.087011	2.09873608	0.48838664	326.017289	55.066555	1.888652	1.07374141	3.040446
02/07/1916	82.216116	2.09831485	0.48837377	326.422570	55.033062	1.882672	1.07355291	3.039531
02/14/1945	278.003242	2.09674425	0.48647638	326.749989	54.929375	1.876695	1.07672770	3.036119
02/22/1974	113.219642	2.09927754	0.48546897	326.841907	54.840965	1.869599	1.08014343	3.041623
03/02/2003	309.982502	2.09815492	0.48713898	327.068622	54.733731	1.867044	1.07606188	3.039184
03/09/2032	154.349568	2.09434494	0.48824212	327.338295	54.952816	1.872538	1.07179752	3.030909
03/17/2061	358.466728	2.09569800	0.48645557	327.637563	54.950921	1.864479	1.07623404	3.033847
03/25/2090	201.484326	2.09610173	0.48532103	327.748363	54.891577	1.857621	1.07881948	3.034724
04/03/2119	45.608199	2.09518747	0.48620182	327.991994	54.706944	1.854863	1.07650351	3.032738
04/10/2148	250.068279	2.09482507	0.48823495	328.430998	54.612556	1.851359	1.07205826	3.031952
04/18/2177	96.708138	2.09454132	0.48804686	328.833106	54.589494	1.844423	1.07230700	3.031336

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