Asteroid General Data

2018 UA₁

General information

Preliminary designation	2018 UA₁
Group	Apollo
Absolute magnitude	19.71
Approximate diameter (m)	300
Approximate mass (kg)	5.13·10¹⁰
Number of observations	229
Arc length (days)	4425

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	355.932454
a – orbit major semiaxis (astronomical units)	2.52917100
e – orbit eccentricity	0.62412300
ω – orbit ascending node-perihelion angle (degrees)	348.276903
Ω – longitude of orbit ascending node (degrees)	358.931254
i – orbit inclination to the ecliptic plane (degrees)	18.445195

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	97.599272	2.53032711	0.64102702	340.373640	2.795185	17.414150	0.90831907	4.024998
01/21/1858	169.743044	2.53187159	0.63886585	342.519800	1.806978	17.811876	0.91434530	4.028683
01/29/1887	221.408917	2.55589020	0.62521263	343.546369	1.432998	17.746436	0.95791537	4.086146
02/07/1916	255.033133	2.56095705	0.62164380	343.578107	1.266485	17.673653	0.96895398	4.098303
02/14/1945	289.991594	2.55009218	0.62675099	343.831743	0.891609	17.823232	0.95181938	4.072250
02/22/1974	345.180050	2.53090859	0.63686461	345.109248	0.151437	18.228156	0.91906247	4.026385
03/02/2003	58.021837	2.53102962	0.63692904	347.133087	359.312425	18.559698	0.91894335	4.026674
03/09/2032	110.866702	2.55517932	0.62281868	348.450376	358.834893	18.417317	0.96376591	4.084442
03/17/2061	144.702294	2.55930931	0.61926569	348.530015	358.697987	18.349748	0.97441685	4.094348
03/25/2090	178.796244	2.55156117	0.62297425	348.647801	358.444288	18.450623	0.96200427	4.075769
04/03/2119	231.416645	2.53524660	0.63220567	349.637011	357.905869	18.766613	0.93244934	4.036741
04/10/2148	302.078415	2.53594886	0.63260377	352.188321	356.972378	19.032116	0.93169804	4.038419
04/18/2177	357.634626	2.55097213	0.62318240	353.085389	356.666953	18.845414	0.96125119	4.074358

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