Asteroid General Data

2021 RZ₄

General information

Preliminary designation	2021 RZ₄
Group	Amor
Absolute magnitude	26.50
Approximate diameter (m)	13
Approximate mass (kg)	4.32·10⁶
Number of observations	25
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	234.360930
a – orbit major semiaxis (astronomical units)	2.09535800
e – orbit eccentricity	0.50104800
ω – orbit ascending node-perihelion angle (degrees)	175.134943
Ω – longitude of orbit ascending node (degrees)	175.262817
i – orbit inclination to the ecliptic plane (degrees)	5.033084

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	180.186938	2.09397094	0.50334318	171.493225	177.031354	4.878223	1.03998495	3.030097
01/21/1858	26.386988	2.09576576	0.50342227	172.314319	176.721572	4.908213	1.04071060	3.033994
01/29/1887	227.668233	2.09795717	0.50062296	172.729720	176.527626	4.920564	1.04767165	3.038754
02/07/1916	66.676808	2.09732849	0.50027626	172.949161	176.308981	4.928848	1.04808484	3.037388
02/14/1945	269.183982	2.09488566	0.50265555	173.566905	175.916405	4.971153	1.04187976	3.032083
02/22/1974	115.015156	2.09435001	0.50367938	174.124850	175.683555	5.001876	1.03946909	3.030920
03/02/2003	320.648768	2.09486406	0.50266881	174.627658	175.504655	5.020286	1.04184123	3.032036
03/09/2032	163.658114	2.09691432	0.49991022	175.184096	175.221467	5.029726	1.04864542	3.036489
03/17/2061	4.669039	2.09667406	0.49995452	175.400355	175.010495	5.041699	1.04843239	3.035967
03/25/2090	207.994898	2.09431449	0.50337763	175.936521	174.724160	5.083118	1.04008342	3.030843
04/03/2119	56.057828	2.09281357	0.50335013	176.733484	174.420282	5.118676	1.03939559	3.027586
04/10/2148	263.321579	2.09577107	0.50041362	177.232775	174.234800	5.127650	1.04701868	3.034006
04/18/2177	108.394044	2.09538026	0.49965606	177.477126	174.035732	5.133035	1.04841081	3.033157

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