Asteroid General Data

1998 XZ₄ (137078)

General information

Preliminary designation	1998 XZ₄
Number	137078
Group	Apollo
Absolute magnitude	16.36
Approximate diameter (m)	1 400
Approximate mass (kg)	5.25·10¹²
Number of observations	964
Arc length (days)	9918

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	138.718008
a – orbit major semiaxis (astronomical units)	1.93913100
e – orbit eccentricity	0.63824700
ω – orbit ascending node-perihelion angle (degrees)	9.680868
Ω – longitude of orbit ascending node (degrees)	324.415475
i – orbit inclination to the ecliptic plane (degrees)	23.164315

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	63.746627	1.93893589	0.63616258	7.419491	325.633032	23.498997	0.70545744	2.699888
01/21/1858	331.881423	1.93942960	0.63678840	7.754347	325.477832	23.459467	0.70442332	2.700920
01/29/1887	241.574077	1.93845915	0.63708361	8.085627	325.301344	23.416259	0.70349859	2.698893
02/07/1916	151.139975	1.93797544	0.63752315	8.429866	325.125389	23.373596	0.70247124	2.697882
02/14/1945	62.187406	1.93748318	0.63837179	8.756890	324.944130	23.336447	0.70064857	2.696855
02/22/1974	330.287673	1.93857340	0.63861475	9.085675	324.757147	23.269004	0.70057184	2.699131
03/02/2003	238.382631	1.93910799	0.63924309	9.418213	324.572206	23.223190	0.69954660	2.700248
03/09/2032	149.315647	1.93801398	0.63904739	9.758557	324.380181	23.158163	0.69953120	2.697963
03/17/2061	59.254323	1.93948091	0.63884739	10.094653	324.199448	23.079185	0.70044860	2.701027
03/25/2090	328.802049	1.93884616	0.63994335	10.435793	324.008937	23.033155	0.69809446	2.699701
04/03/2119	237.069662	1.93949394	0.63977650	10.767484	323.833585	22.958141	0.69865130	2.701054
04/10/2148	145.537500	1.93900240	0.64105033	11.142512	323.634203	22.912784	0.69600428	2.700027
04/18/2177	57.474287	1.93781199	0.64073847	11.449234	323.442604	22.849020	0.69618130	2.697541

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