Asteroid General Data

2021 JU₄

General information

Preliminary designation	2021 JU₄
Group	Amor
Absolute magnitude	24.68
Approximate diameter (m)	31
Approximate mass (kg)	5.34·10⁷
Number of observations	96
Arc length (days)	11

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	261.981360
a – orbit major semiaxis (astronomical units)	1.27155400
e – orbit eccentricity	0.18997300
ω – orbit ascending node-perihelion angle (degrees)	185.334142
Ω – longitude of orbit ascending node (degrees)	45.185694
i – orbit inclination to the ecliptic plane (degrees)	15.038619

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	342.242804	1.27172916	0.18951387	182.941715	46.221557	15.070397	1.03071884	1.434143
01/21/1858	66.325749	1.27294787	0.19045540	183.230878	46.066460	15.061518	1.03050807	1.436205
01/29/1887	141.813001	1.27229462	0.19003214	183.462897	45.931999	15.059360	1.03051775	1.435100
02/07/1916	218.363181	1.27344399	0.19096868	183.985804	45.765981	15.047974	1.03025608	1.437045
02/14/1945	291.771176	1.27203780	0.19001614	184.377554	45.615845	15.050096	1.03033008	1.434665
02/22/1974	15.101032	1.27062188	0.18921131	184.844300	45.461554	15.050995	1.03020584	1.432271
03/02/2003	105.450545	1.27100305	0.18961370	185.095135	45.322514	15.044756	1.03000345	1.432915
03/09/2032	197.025702	1.27168335	0.19005808	185.366270	45.164602	15.034602	1.02998966	1.434066
03/17/2061	284.958358	1.27078516	0.18954603	185.581288	45.027625	15.032770	1.02991288	1.432547
03/25/2090	10.848173	1.27162099	0.19011790	185.758994	44.883968	15.026715	1.02986307	1.433960
04/03/2119	103.675207	1.27101680	0.18984714	186.140850	44.714642	15.027406	1.02971789	1.432938
04/10/2148	195.244976	1.27069584	0.18946907	186.360638	44.589343	15.025085	1.02993829	1.432396
04/18/2177	294.096356	1.27071031	0.18972126	186.881879	44.397566	15.014635	1.02962955	1.432420

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