Asteroid General Data

2021 JH₉

General information

Preliminary designation	2021 JH₉
Group	Apollo
Absolute magnitude	20.41
Approximate diameter (m)	220
Approximate mass (kg)	1.95·10¹⁰
Number of observations	36
Arc length (days)	39

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	82.597642
a – orbit major semiaxis (astronomical units)	1.74328600
e – orbit eccentricity	0.65155400
ω – orbit ascending node-perihelion angle (degrees)	160.665737
Ω – longitude of orbit ascending node (degrees)	187.939478
i – orbit inclination to the ecliptic plane (degrees)	31.662116

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	124.117949	1.74296578	0.65667757	158.973898	189.084555	31.061375	0.59839924	2.301092
01/21/1858	342.524029	1.74339799	0.65591571	159.234932	188.922239	31.147857	0.59987586	2.301948
01/29/1887	202.404918	1.74292529	0.65557454	159.501735	188.725285	31.271786	0.60030784	2.301011
02/07/1916	61.818216	1.74330419	0.65460049	159.707453	188.576037	31.327181	0.60213642	2.301762
02/14/1945	280.515215	1.74288228	0.65399102	160.025034	188.376320	31.457519	0.60305291	2.300926
02/22/1974	140.731223	1.74338596	0.65322211	160.208609	188.226150	31.513736	0.60456770	2.301924
03/02/2003	359.666203	1.74311974	0.65207019	160.414111	188.087321	31.575671	0.60648332	2.301396
03/09/2032	219.191495	1.74286007	0.65157716	160.726415	187.892404	31.697488	0.60725226	2.300882
03/17/2061	78.844160	1.74311437	0.65066873	160.923930	187.750164	31.752001	0.60892436	2.301386
03/25/2090	298.218684	1.74317729	0.64963439	161.219627	187.582800	31.854966	0.61074937	2.301510
04/03/2119	157.757707	1.74290127	0.64940390	161.444312	187.425177	31.941786	0.61105438	2.300964
04/10/2148	17.481572	1.74305587	0.64810801	161.712536	187.264148	32.014969	0.61336739	2.301270
04/18/2177	236.335953	1.74348288	0.64782133	161.955094	187.106390	32.106917	0.61401748	2.302116

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