Asteroid General Data

1998 SD₁₅ (162117)

General information

Preliminary designation	1998 SD₁₅
Number	162117
Group	Aten
Absolute magnitude	19.04
Approximate diameter (m)	410
Approximate mass (kg)	1.29·10¹¹
Number of observations	792
Arc length (days)	9937

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	133.056680
a – orbit major semiaxis (astronomical units)	0.93263100
e – orbit eccentricity	0.34477100
ω – orbit ascending node-perihelion angle (degrees)	35.874163
Ω – longitude of orbit ascending node (degrees)	183.907033
i – orbit inclination to the ecliptic plane (degrees)	26.798710

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	317.870024	0.93251154	0.34481472	35.438588	184.621541	26.777409	0.61096783	0.900496
01/21/1858	40.229929	0.93257054	0.34489971	35.477800	184.516464	26.782454	0.61092723	0.900582
01/29/1887	122.141130	0.93259377	0.34469291	35.558697	184.409352	26.789226	0.61113531	0.900615
02/07/1916	201.283641	0.93269405	0.34472041	35.647914	184.310705	26.789918	0.61117538	0.900761
02/14/1945	279.190259	0.93272091	0.34485526	35.714058	184.205574	26.786362	0.61106720	0.900800
02/22/1974	358.750059	0.93252043	0.34489028	35.741050	184.097958	26.788513	0.61090321	0.900509
03/02/2003	80.721852	0.93250819	0.34489470	35.797050	183.992925	26.792754	0.61089105	0.900491
03/09/2032	161.625246	0.93269156	0.34483411	35.887121	183.892894	26.796782	0.61106770	0.900757
03/17/2061	239.504906	0.93273497	0.34486189	35.978622	183.785948	26.795951	0.61107023	0.900820
03/25/2090	317.411204	0.93259857	0.34502523	36.020481	183.687742	26.795996	0.61082854	0.900622
04/03/2119	37.593696	0.93250629	0.34518425	36.053905	183.582905	26.798593	0.61061981	0.900489
04/10/2148	118.636710	0.93260285	0.34504638	36.109670	183.473811	26.806592	0.61081162	0.900629
04/18/2177	197.421434	0.93269007	0.34501282	36.203118	183.373768	26.808244	0.61090004	0.900755

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