Asteroid General Data

1999 KX₄ (137199)

General information

Preliminary designation	1999 KX₄
Number	137199
Group	Amor
Absolute magnitude	16.97
Approximate diameter (m)	1 100
Approximate mass (kg)	2.26·10¹²
Number of observations	3576
Arc length (days)	16979

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	243.911398
a – orbit major semiaxis (astronomical units)	1.45726400
e – orbit eccentricity	0.29271800
ω – orbit ascending node-perihelion angle (degrees)	76.499831
Ω – longitude of orbit ascending node (degrees)	104.875192
i – orbit inclination to the ecliptic plane (degrees)	16.569359

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	121.044997	1.45727328	0.29232669	74.713460	106.124951	16.593765	1.03127340	1.759187
01/21/1858	298.484646	1.45766083	0.29239650	75.032428	105.920659	16.588112	1.03144590	1.759889
01/29/1887	116.448520	1.45734055	0.29246390	75.269596	105.750888	16.585012	1.03112105	1.759309
02/07/1916	293.248313	1.45739717	0.29267816	75.521210	105.573910	16.580573	1.03084885	1.759412
02/14/1945	111.223778	1.45759059	0.29265535	75.764452	105.391683	16.578072	1.03101891	1.759762
02/22/1974	288.807817	1.45715955	0.29268132	75.991130	105.219355	16.575377	1.03067617	1.758982
03/02/2003	106.031693	1.45758016	0.29266238	76.257886	105.033094	16.572211	1.03100127	1.759743
03/09/2032	284.205275	1.45755084	0.29271693	76.513496	104.851868	16.569643	1.03090103	1.759690
03/17/2061	101.642995	1.45721505	0.29258767	76.801224	104.662598	16.566481	1.03085189	1.759082
03/25/2090	279.416580	1.45760410	0.29279023	77.034781	104.489448	16.562634	1.03083187	1.759787
04/03/2119	97.670369	1.45735736	0.29295247	77.355710	104.287205	16.558398	1.03042092	1.759340
04/10/2148	275.096485	1.45732491	0.29288094	77.549605	104.128093	16.556186	1.03050222	1.759281
04/18/2177	93.530113	1.45746323	0.29323128	77.803489	103.945916	16.551763	1.03008942	1.759531

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