Asteroid General Data

2021 JF₄

General information

Preliminary designation	2021 JF₄
Group	Apollo
Absolute magnitude	22.50
Approximate diameter (m)	84
Approximate mass (kg)	1.09·10⁹
Number of observations	37
Arc length (days)	11

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	150.642765
a – orbit major semiaxis (astronomical units)	1.74109800
e – orbit eccentricity	0.60443500
ω – orbit ascending node-perihelion angle (degrees)	78.927897
Ω – longitude of orbit ascending node (degrees)	39.822327
i – orbit inclination to the ecliptic plane (degrees)	41.619473

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	131.443239	1.72444936	0.59999207	78.858050	41.802467	41.825297	0.68979343	2.264521
01/21/1858	64.591909	1.72483675	0.60037403	78.964878	41.492161	41.794746	0.68928956	2.265284
01/29/1887	355.668025	1.72541109	0.60077475	79.058653	41.221220	41.766081	0.68882767	2.266415
02/07/1916	280.971615	1.72810223	0.60175134	79.084129	40.914015	41.719997	0.68821439	2.271720
02/14/1945	201.438083	1.72754632	0.60204298	79.219826	40.637265	41.699654	0.68748918	2.270624
02/22/1974	123.313517	1.72722757	0.60267509	79.307914	40.355543	41.666427	0.68627054	2.269995
03/02/2003	44.478829	1.72766084	0.60303222	79.420797	40.057170	41.644560	0.68582568	2.270849
03/09/2032	288.727365	1.74086883	0.60466610	78.936672	39.768834	41.612875	0.68822447	2.296940
03/17/2061	157.580590	1.74101838	0.60475957	79.038926	39.477329	41.589690	0.68812085	2.297236
03/25/2090	25.593061	1.74136019	0.60506903	79.146381	39.196746	41.561393	0.68771708	2.297913
04/03/2119	255.102460	1.74028699	0.60556127	79.266468	38.885520	41.536316	0.68643658	2.295789
04/10/2148	124.892540	1.74050383	0.60581472	79.399209	38.593372	41.508363	0.68608100	2.296218
04/18/2177	356.080773	1.74006512	0.60606747	79.514835	38.281238	41.478307	0.68546825	2.295350

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