Asteroid General Data

2018 XA₄

General information

Preliminary designation	2018 XA₄
Group	Apollo
Absolute magnitude	29.08
Approximate diameter (m)	4
Approximate mass (kg)	1.22·10⁵
Number of observations	18
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	248.451925
a – orbit major semiaxis (astronomical units)	1.12000300
e – orbit eccentricity	0.40354500
ω – orbit ascending node-perihelion angle (degrees)	260.977211
Ω – longitude of orbit ascending node (degrees)	81.391799
i – orbit inclination to the ecliptic plane (degrees)	2.286970

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	337.624701	1.11458477	0.40321676	262.227276	80.372024	1.982153	0.66516551	1.176712
01/21/1858	212.343933	1.11565520	0.40375969	262.088270	80.509173	1.980611	0.66519860	1.178408
01/29/1887	77.762748	1.11636297	0.40359804	261.921240	80.494671	1.990669	0.66580107	1.179529
02/07/1916	298.367674	1.11562514	0.40341756	261.717040	80.555188	1.991065	0.66556237	1.178360
02/14/1945	162.580007	1.11684297	0.40403660	261.077260	81.099763	2.018974	0.66559753	1.180290
02/22/1974	15.496399	1.11614097	0.40377038	261.238296	80.655374	2.077121	0.66547630	1.179178
03/02/2003	245.152376	1.11484155	0.40338817	260.045633	81.659702	2.053312	0.66512765	1.177119
03/09/2032	111.518617	1.12013615	0.40336303	261.004454	81.373492	2.286604	0.66831463	1.185514
03/17/2061	281.922813	1.12035908	0.40354078	261.076703	81.506404	2.301212	0.66824851	1.185868
03/25/2090	72.923002	1.13131055	0.40479981	261.502649	82.145681	2.414982	0.67335625	1.203298
04/03/2119	111.535433	1.13011963	0.40408141	261.374723	82.312827	2.423628	0.67345930	1.201399
04/10/2148	160.245475	1.13169273	0.40490740	261.342528	82.391041	2.422774	0.67346197	1.203908
04/18/2177	230.281356	1.12531156	0.40323240	260.989014	82.424325	2.482307	0.67154947	1.193740

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