Asteroid General Data

2018 XY₄

General information

Preliminary designation	2018 XY₄
Group	Apollo
Absolute magnitude	25.79
Approximate diameter (m)	18
Approximate mass (kg)	1.15·10⁷
Number of observations	16
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	245.163633
a – orbit major semiaxis (astronomical units)	1.66083100
e – orbit eccentricity	0.44252400
ω – orbit ascending node-perihelion angle (degrees)	273.983430
Ω – longitude of orbit ascending node (degrees)	112.636173
i – orbit inclination to the ecliptic plane (degrees)	2.709732

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	98.648714	1.65960988	0.44249089	269.990810	115.888475	2.693620	0.92524763	2.138009
01/21/1858	303.131775	1.66042497	0.44240964	270.339770	115.696531	2.696548	0.92583695	2.139585
01/29/1887	145.408870	1.66087588	0.44247426	271.084065	114.962305	2.712331	0.92598105	2.140456
02/07/1916	347.805459	1.65957443	0.44229251	271.769343	114.366155	2.700498	0.92555709	2.137941
02/14/1945	193.229908	1.66082679	0.44269978	272.188112	114.128424	2.705341	0.92557914	2.140361
02/22/1974	35.775471	1.66079063	0.44231147	272.852506	113.457312	2.715549	0.92620388	2.140292
03/02/2003	241.006867	1.65877813	0.44188680	273.580465	112.893558	2.701021	0.92578597	2.136402
03/09/2032	86.016404	1.66069876	0.44236211	274.098412	112.582775	2.710087	0.92606855	2.140114
03/17/2061	289.799382	1.66073228	0.44229721	274.711361	111.950453	2.712386	0.92619502	2.140179
03/25/2090	136.531888	1.65915661	0.44236541	275.164081	111.689126	2.711432	0.92520311	2.137134
04/03/2119	337.678045	1.66046336	0.44260137	275.936572	111.015185	2.737800	0.92554001	2.139659
04/10/2148	181.440262	1.65998564	0.44228480	276.735258	110.262788	2.727093	0.92579923	2.138736
04/18/2177	27.462719	1.65981433	0.44246458	277.077792	110.071452	2.729143	0.92540527	2.138405

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