Asteroid General Data

2021 UK₂₀

General information

Preliminary designation	2021 UK₂₀
Group	Apollo
Absolute magnitude	28.51
Approximate diameter (m)	5
Approximate mass (kg)	2.69·10⁵
Number of observations	9
Arc length (days)	1

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	123.016685
a – orbit major semiaxis (astronomical units)	1.64636900
e – orbit eccentricity	0.40067100
ω – orbit ascending node-perihelion angle (degrees)	341.530766
Ω – longitude of orbit ascending node (degrees)	28.274697
i – orbit inclination to the ecliptic plane (degrees)	1.049926

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	7.608829	1.62668985	0.39417997	332.603729	35.368108	0.965186	0.98548129	2.074712
01/21/1858	2.124984	1.62762711	0.39453079	335.196248	32.597428	1.012233	0.98547810	2.076505
01/29/1887	0.000044	1.62361986	0.39352841	339.182446	28.863961	1.067896	0.98467931	2.068841
02/07/1916	7.340386	1.62542463	0.39396555	339.408364	28.788104	1.061710	0.98506333	2.072292
02/14/1945	8.671222	1.62548273	0.39413577	339.610177	28.708374	1.056788	0.98482185	2.072403
02/22/1974	12.322708	1.62370478	0.39337151	339.989290	28.516416	1.052574	0.98498557	2.069003
03/02/2003	15.979995	1.62764730	0.39455910	340.309970	28.437933	1.044895	0.98544425	2.076544
03/09/2032	336.219028	1.64627306	0.40049255	341.558956	28.277201	1.048202	0.98695296	2.112289
03/17/2061	235.082100	1.64818445	0.40117672	341.843161	28.191906	1.041759	0.98697122	2.115969
03/25/2090	132.809921	1.64780714	0.40123681	342.616514	27.246295	1.070816	0.98664626	2.115243
04/03/2119	30.612296	1.64721692	0.40102238	342.907838	27.118604	1.065825	0.98664606	2.114106
04/10/2148	292.281489	1.64722039	0.40096509	343.784261	26.040354	1.099828	0.98674252	2.114113
04/18/2177	188.983524	1.64813580	0.40116121	344.026300	25.937360	1.093889	0.98696765	2.115875

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