Asteroid General Data

2018 UB₃

General information

Preliminary designation	2018 UB₃
Group	Apollo
Absolute magnitude	25.65
Approximate diameter (m)	20
Approximate mass (kg)	1.40·10⁷
Number of observations	57
Arc length (days)	19

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	311.505460
a – orbit major semiaxis (astronomical units)	1.62434100
e – orbit eccentricity	0.44933000
ω – orbit ascending node-perihelion angle (degrees)	59.830985
Ω – longitude of orbit ascending node (degrees)	280.811708
i – orbit inclination to the ecliptic plane (degrees)	1.125820

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	29.020288	1.60962093	0.44512986	52.186050	288.594822	1.218627	0.89313060	2.042142
01/21/1858	105.312200	1.60930739	0.44522828	52.853998	288.044449	1.213775	0.89279823	2.041546
01/29/1887	196.088744	1.60522466	0.44434016	54.261871	286.763378	1.210607	0.89195888	2.033782
02/07/1916	292.276655	1.60545524	0.44430110	55.031425	286.106400	1.207461	0.89214972	2.034220
02/14/1945	28.047303	1.60581570	0.44478117	55.935200	285.292033	1.203048	0.89157912	2.034905
02/22/1974	121.047071	1.60631806	0.44453319	56.625200	284.725483	1.194781	0.89225636	2.035860
03/02/2003	168.058247	1.62068276	0.44808336	57.624130	282.956445	1.121212	0.89448178	2.063230
03/09/2032	183.514898	1.62438421	0.44902167	60.054667	280.632577	1.124708	0.89500050	2.070302
03/17/2061	194.089607	1.62235020	0.44879116	60.955424	279.829427	1.121758	0.89425377	2.066415
03/25/2090	213.315737	1.62028606	0.44821563	61.966729	278.976596	1.117100	0.89404852	2.062472
04/03/2119	243.500784	1.61720784	0.44735594	62.935144	278.217491	1.111638	0.89374030	2.056598
04/10/2148	284.180328	1.61842732	0.44765220	63.730706	277.435761	1.105115	0.89393477	2.058924
04/18/2177	326.237204	1.61686580	0.44746397	65.129716	276.087320	1.101718	0.89337660	2.055945

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