Asteroid General Data

2021 TK₁₁

General information

Preliminary designation	2021 TK₁₁
Group	Apollo
Absolute magnitude	28.65
Approximate diameter (m)	5
Approximate mass (kg)	2.22·10⁵
Number of observations	62
Arc length (days)	4

Approaches

Date	Object	r, AU	r, km
10/11/2021 01:26:24 AM	Earth	0.000910	136 074

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	238.384097
a – orbit major semiaxis (astronomical units)	2.08892794
e – orbit eccentricity	0.54924981
ω – orbit ascending node-perihelion angle (degrees)	324.817165
Ω – longitude of orbit ascending node (degrees)	20.141668
i – orbit inclination to the ecliptic plane (degrees)	1.198715

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	33.727030	2.06508931	0.55482491	320.795472	23.595024	0.368801	0.91932632	2.967624
01/21/1858	314.861540	2.06467565	0.55314087	320.324844	24.058712	0.358553	0.92261917	2.966732
01/29/1887	234.473363	2.06701126	0.55132562	319.303035	25.081562	0.346831	0.92741500	2.971768
02/07/1916	150.683836	2.06728101	0.54985003	318.601485	25.826559	0.335545	0.93058647	2.972350
02/14/1945	66.207340	2.06273419	0.54840657	318.711216	25.657912	0.327852	0.93151720	2.962549
02/22/1974	349.584106	2.06430990	0.54652730	317.766373	26.620982	0.315799	0.93610817	2.965944
03/02/2003	271.314921	2.06402798	0.54585190	316.978409	27.396712	0.306587	0.93737438	2.965336
03/09/2032	170.404284	2.09158997	0.54844630	324.797730	20.163689	1.194988	0.94446519	3.024931
03/17/2061	24.403414	2.09133528	0.54896220	324.907364	20.056534	1.188926	0.94327126	3.024378
03/25/2090	242.900641	2.08788169	0.55292586	325.336250	19.834293	1.184487	0.93343791	3.016890
04/03/2119	104.532173	2.08731938	0.55446958	325.728970	19.826691	1.175798	0.92996429	3.015671
04/10/2148	324.253597	2.09008821	0.55201622	325.981733	20.087262	1.157498	0.93632562	3.021674
04/18/2177	184.088038	2.09140829	0.54992652	327.382518	18.693708	1.157590	0.94128741	3.024537

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