Asteroid General Data

2004 JR (494689)

General information

Preliminary designation	2004 JR
Number	494689
Group	Apollo
Absolute magnitude	18.85
Approximate diameter (m)	450
Approximate mass (kg)	1.68·10¹¹
Number of observations	128
Arc length (days)	6592

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	185.283640
a – orbit major semiaxis (astronomical units)	1.89057800
e – orbit eccentricity	0.64571000
ω – orbit ascending node-perihelion angle (degrees)	139.594074
Ω – longitude of orbit ascending node (degrees)	209.480544
i – orbit inclination to the ecliptic plane (degrees)	45.475534

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	137.938197	1.88725911	0.65767587	138.483936	210.978612	44.653050	0.64605433	2.592674
01/21/1858	206.623719	1.88757077	0.65613233	138.641487	210.763551	44.770939	0.64907457	2.593316
01/29/1887	272.143790	1.88935240	0.65396444	138.834788	210.526035	44.901033	0.65378312	2.596989
02/07/1916	338.026290	1.88806057	0.65246255	138.990177	210.306493	45.029585	0.65617176	2.594326
02/14/1945	43.897256	1.88834083	0.65090807	139.120839	210.099505	45.140002	0.65920455	2.594903
02/22/1974	105.877976	1.89074482	0.64886086	139.312040	209.877301	45.255254	0.66391451	2.599860
03/02/2003	164.827759	1.89070434	0.64707943	139.472657	209.657374	45.372333	0.66726844	2.599777
03/09/2032	223.612249	1.89041478	0.64497430	139.600701	209.449261	45.494507	0.67114583	2.599179
03/17/2061	282.576331	1.89083828	0.64305409	139.766299	209.259660	45.602716	0.67492700	2.600053
03/25/2090	341.113133	1.89094687	0.64106725	139.911556	209.030453	45.730320	0.67872277	2.600277
04/03/2119	39.648121	1.89050099	0.63939688	140.070701	208.827209	45.846787	0.68172055	2.599357
04/10/2148	97.985860	1.89052489	0.63765834	140.248825	208.598026	45.991304	0.68501593	2.599407
04/18/2177	155.760509	1.89098845	0.63579193	140.367878	208.411369	46.084694	0.68871326	2.600363

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