Asteroid General Data

2009 UK₂₀

General information

Preliminary designation	2009 UK₂₀
Group	Apollo
Absolute magnitude	26.36
Approximate diameter (m)	14
Approximate mass (kg)	5.25·10⁶
Number of observations	38
Arc length (days)	15

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	145.296137
a – orbit major semiaxis (astronomical units)	1.05309000
e – orbit eccentricity	0.20711000
ω – orbit ascending node-perihelion angle (degrees)	277.560037
Ω – longitude of orbit ascending node (degrees)	215.851490
i – orbit inclination to the ecliptic plane (degrees)	2.843565

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	161.385061	1.04871497	0.20354467	278.324730	220.453930	3.196436	0.83525463	1.073957
01/21/1858	190.737551	1.04691645	0.20391895	277.508217	219.767360	3.143727	0.83343034	1.071195
01/29/1887	223.815193	1.04513815	0.20430096	276.525876	219.072810	3.084509	0.83161542	1.068467
02/07/1916	280.808147	1.04699439	0.20467765	276.376751	218.500088	3.050794	0.83269804	1.071315
02/14/1945	289.850617	1.04949044	0.20597868	276.208236	217.713282	2.950694	0.83331778	1.075148
02/22/1974	278.989460	1.05297170	0.20629407	277.651410	217.065153	2.929656	0.83574988	1.080502
03/02/2003	227.717810	1.05379712	0.20663665	278.066422	216.693888	2.928515	0.83604401	1.081773
03/09/2032	169.493338	1.05305627	0.20715484	277.576978	215.830605	2.843938	0.83491057	1.080632
03/17/2061	119.691305	1.05250748	0.20738939	277.057452	215.167633	2.809268	0.83422859	1.079788
03/25/2090	69.145579	1.05287679	0.20778095	276.440162	214.553206	2.760432	0.83410905	1.080356
04/03/2119	6.954242	1.06115241	0.21002309	278.725868	213.151280	2.447971	0.83828591	1.093119
04/10/2148	200.110626	1.06160240	0.21021398	278.913180	212.807223	2.450015	0.83843873	1.093814
04/18/2177	67.532006	1.05809265	0.20976210	279.205050	212.280353	2.446392	0.83614491	1.088394

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