Asteroid General Data

2018 US₁

General information

Preliminary designation	2018 US₁
Group	Apollo
Absolute magnitude	27.09
Approximate diameter (m)	10
Approximate mass (kg)	1.91·10⁶
Number of observations	50
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	252.148394
a – orbit major semiaxis (astronomical units)	1.65578900
e – orbit eccentricity	0.39738400
ω – orbit ascending node-perihelion angle (degrees)	8.223591
Ω – longitude of orbit ascending node (degrees)	28.606835
i – orbit inclination to the ecliptic plane (degrees)	8.000771

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	230.375438	1.67086613	0.40174241	3.184192	30.184621	7.978816	0.99960834	2.159798
01/21/1858	51.829934	1.66512021	0.40013340	4.292051	29.921164	8.019674	0.99885000	2.148666
01/29/1887	234.334013	1.66465141	0.40008001	4.614099	29.755734	8.016332	0.99865766	2.147759
02/07/1916	47.432312	1.65717647	0.39739232	5.654248	29.439990	8.071521	0.99862727	2.133309
02/14/1945	264.473799	1.65702544	0.39750211	5.917755	29.292526	8.064541	0.99835433	2.133017
02/22/1974	81.339252	1.66756034	0.40108428	6.834143	29.024143	7.946912	0.99872809	2.153391
03/02/2003	259.422668	1.66648223	0.40087796	7.188680	28.836548	7.945793	0.99842623	2.151303
03/09/2032	97.196146	1.65575501	0.39741751	8.322470	28.573081	7.997795	0.99772898	2.130565
03/17/2061	319.860687	1.65560078	0.39732152	8.607457	28.411411	7.989965	0.99779497	2.130267
03/25/2090	174.371419	1.65808513	0.39851450	8.973808	28.179565	7.961521	0.99731415	2.135064
04/03/2119	28.621227	1.65471947	0.39738242	9.416206	27.941612	7.972595	0.99716304	2.128566
04/10/2148	253.670631	1.65559932	0.39781989	9.750737	27.761934	7.960747	0.99696898	2.130264
04/18/2177	120.169567	1.65438140	0.39708929	10.070983	27.570621	7.955965	0.99744427	2.127914

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