Asteroid General Data

2011 SK₁₈₉

General information

Preliminary designation	2011 SK₁₈₉
Group	Amor
Absolute magnitude	23.86
Approximate diameter (m)	45
Approximate mass (kg)	1.66·10⁸
Number of observations	21
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	161.104835
a – orbit major semiaxis (astronomical units)	1.75409500
e – orbit eccentricity	0.36564000
ω – orbit ascending node-perihelion angle (degrees)	355.412555
Ω – longitude of orbit ascending node (degrees)	7.282444
i – orbit inclination to the ecliptic plane (degrees)	27.900918

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	137.549842	1.75404717	0.36589239	353.421419	8.216638	27.895448	1.11225465	2.323071
01/21/1858	312.681744	1.75452364	0.36590101	353.739286	8.082070	27.895543	1.11254167	2.324018
01/29/1887	129.157116	1.75392786	0.36606629	353.999793	7.943257	27.909573	1.11187400	2.322834
02/07/1916	305.811751	1.75411149	0.36587426	354.287945	7.808012	27.899465	1.11232725	2.323199
02/14/1945	120.921714	1.75455322	0.36560606	354.573733	7.670475	27.897032	1.11307794	2.324077
02/22/1974	297.487931	1.75390008	0.36568480	354.889688	7.539697	27.899043	1.11252549	2.322779
03/02/2003	113.963274	1.75467742	0.36562907	355.162955	7.402452	27.897305	1.11311635	2.324323
03/09/2032	289.550207	1.75419622	0.36548297	355.462518	7.266119	27.893262	1.11306737	2.323367
03/17/2061	106.388945	1.75403396	0.36536708	355.761764	7.135490	27.891006	1.11316770	2.323045
03/25/2090	282.196880	1.75489534	0.36556619	356.068878	7.004017	27.890326	1.11336493	2.324756
04/03/2119	98.552020	1.75381572	0.36555175	356.362226	6.867647	27.895566	1.11270532	2.322611
04/10/2148	275.623412	1.75421510	0.36531329	356.668708	6.732746	27.888140	1.11337701	2.323405
04/18/2177	91.130822	1.75414302	0.36550947	356.954916	6.599272	27.888229	1.11298714	2.323262

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