Asteroid General Data

2018 SK

General information

Preliminary designation	2018 SK
Group	Apollo
Absolute magnitude	25.74
Approximate diameter (m)	19
Approximate mass (kg)	1.24·10⁷
Number of observations	22
Arc length (days)	13

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	276.410471
a – orbit major semiaxis (astronomical units)	1.39746300
e – orbit eccentricity	0.32128100
ω – orbit ascending node-perihelion angle (degrees)	50.567897
Ω – longitude of orbit ascending node (degrees)	353.006514
i – orbit inclination to the ecliptic plane (degrees)	9.715679

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	342.195518	1.39561868	0.32013422	48.573173	354.558725	9.831145	0.94883338	1.648735
01/21/1858	198.458835	1.39638916	0.32029777	48.828826	354.334880	9.819698	0.94912883	1.650100
01/29/1887	53.715259	1.39722484	0.32086587	49.056517	354.103449	9.798651	0.94890307	1.651582
02/07/1916	261.250530	1.39700746	0.32080825	49.352765	353.914521	9.789175	0.94883594	1.651196
02/14/1945	110.631833	1.39642072	0.32043115	49.679612	353.692982	9.778911	0.94896402	1.650156
02/22/1974	325.602860	1.39506095	0.32000657	50.089728	353.456440	9.768260	0.94863228	1.647746
03/02/2003	181.099792	1.39598018	0.32058938	50.333087	353.230896	9.748380	0.94844376	1.649375
03/09/2032	29.670416	1.39739227	0.32128955	50.662239	352.961943	9.712593	0.94842474	1.651879
03/17/2061	231.662263	1.39909457	0.32216077	50.944546	352.707405	9.674629	0.94836119	1.654898
03/25/2090	68.472324	1.39872698	0.32231762	51.212298	352.528998	9.665835	0.94789264	1.654246
04/03/2119	260.676040	1.39894791	0.32235963	51.512640	352.270256	9.649488	0.94798358	1.654638
04/10/2148	92.908871	1.40049489	0.32303845	51.754977	352.022529	9.632527	0.94808120	1.657383
04/18/2177	282.561110	1.39927756	0.32265081	52.085188	351.824575	9.624158	0.94779952	1.655223

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