Asteroid General Data

2018 UB

General information

Preliminary designation	2018 UB
Group	Apollo
Absolute magnitude	24.21
Approximate diameter (m)	38
Approximate mass (kg)	1.02·10⁸
Number of observations	14
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	308.728002
a – orbit major semiaxis (astronomical units)	1.99748500
e – orbit eccentricity	0.60509600
ω – orbit ascending node-perihelion angle (degrees)	304.839521
Ω – longitude of orbit ascending node (degrees)	1.611200
i – orbit inclination to the ecliptic plane (degrees)	8.813670

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	11.675033	2.00310941	0.60446928	298.853981	6.649506	8.558143	0.79229131	2.835030
01/21/1858	99.953551	2.00122355	0.60609191	299.514647	6.017672	8.586210	0.78829814	2.831027
01/29/1887	186.700648	2.00232159	0.60390071	300.570330	5.199085	8.639893	0.79311816	2.833357
02/07/1916	277.103370	2.00003281	0.60550160	301.362728	4.509742	8.675017	0.78900974	2.828501
02/14/1945	9.462374	2.00146580	0.60330154	302.283455	3.775015	8.718870	0.79397841	2.831541
02/22/1974	101.186809	1.99977830	0.60545324	303.125629	3.030088	8.759211	0.78900605	2.827961
03/02/2003	193.809416	2.00313437	0.60336215	303.846611	2.406858	8.756186	0.79451891	2.835083
03/09/2032	286.873023	1.99757044	0.60492132	304.838363	1.580206	8.813755	0.78919748	2.823279
03/17/2061	25.562534	1.99940696	0.60354408	305.196445	1.210782	8.829556	0.79267672	2.827173
03/25/2090	115.891312	2.00103297	0.60494506	306.597683	0.175264	8.899246	0.79051796	2.830623
04/03/2119	207.517527	2.00046264	0.60409461	306.956319	359.783516	8.905797	0.79199394	2.829413
04/10/2148	295.588766	2.00059060	0.60448468	308.227017	358.836615	8.984722	0.79126422	2.829684
04/18/2177	28.778060	2.00046374	0.60416823	308.615421	358.455665	9.005883	0.79184710	2.829415

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