Asteroid General Data

2021 JR₄

General information

Preliminary designation	2021 JR₄
Group	Apollo
Absolute magnitude	25.02
Approximate diameter (m)	26
Approximate mass (kg)	3.34·10⁷
Number of observations	37
Arc length (days)	80

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	284.748038
a – orbit major semiaxis (astronomical units)	2.06390400
e – orbit eccentricity	0.51473300
ω – orbit ascending node-perihelion angle (degrees)	211.577328
Ω – longitude of orbit ascending node (degrees)	36.981766
i – orbit inclination to the ecliptic plane (degrees)	2.721012

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	327.042792	2.06484821	0.51040301	209.267106	40.073932	2.864261	1.01094348	2.967104
01/21/1858	251.050369	2.06189312	0.51338983	209.386906	39.867832	2.855061	1.00333816	2.960737
01/29/1887	181.459198	2.06013950	0.51468266	209.538950	39.603851	2.847536	0.99982143	2.956961
02/07/1916	115.750773	2.05900479	0.51630227	210.101758	38.918935	2.817896	0.99593594	2.954518
02/14/1945	54.682417	2.05764729	0.51689974	210.256478	38.605852	2.809571	0.99404994	2.951597
02/22/1974	354.951846	2.05682511	0.51674318	210.770403	38.099459	2.792796	0.99397476	2.949828
03/02/2003	296.457052	2.05835629	0.51537463	210.894972	37.801572	2.780144	0.99753167	2.953122
03/09/2032	230.766339	2.06248225	0.51459222	211.649956	36.950264	2.718340	1.00114493	2.962006
03/17/2061	156.689115	2.06392202	0.51270589	211.837691	36.664136	2.705708	1.00573703	2.965108
03/25/2090	77.669528	2.06555307	0.51003726	212.147525	36.295362	2.691101	1.01204404	2.968624
04/03/2119	352.636547	2.06648172	0.50867116	213.037922	35.353515	2.643843	1.01532207	2.970626
04/10/2148	267.220312	2.06794355	0.50625814	213.288520	35.010467	2.630718	1.02103030	2.973779
04/18/2177	179.035994	2.06804424	0.50563412	213.430380	34.754417	2.621257	1.02237051	2.973996

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