Asteroid General Data

2017 SD₂₀

General information

Preliminary designation	2017 SD₂₀
Group	Aten
Absolute magnitude	25.96
Approximate diameter (m)	17
Approximate mass (kg)	9.12·10⁶
Number of observations	39
Arc length (days)	9

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	242.035908
a – orbit major semiaxis (astronomical units)	0.85177800
e – orbit eccentricity	0.45244200
ω – orbit ascending node-perihelion angle (degrees)	37.317885
Ω – longitude of orbit ascending node (degrees)	187.323813
i – orbit inclination to the ecliptic plane (degrees)	6.470713

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	53.573893	0.85239386	0.45350968	34.692212	190.404041	6.085560	0.46582500	0.786975
01/21/1858	14.335885	0.85181490	0.45380427	34.955018	190.030929	6.094898	0.46525766	0.786174
01/29/1887	354.545891	0.85077655	0.45397311	35.288380	189.461571	6.183391	0.46454687	0.784737
02/07/1916	349.622331	0.85069899	0.45404368	35.617710	189.104358	6.188611	0.46444449	0.784629
02/14/1945	334.570650	0.85159990	0.45341173	36.132278	188.624950	6.257637	0.46547452	0.785876
02/22/1974	293.020534	0.85237286	0.45297171	36.563141	188.272376	6.297489	0.46627207	0.786946
03/02/2003	256.807810	0.85159207	0.45323497	36.861059	187.824366	6.342347	0.46562077	0.785865
03/09/2032	227.923394	0.85225316	0.45248941	37.443733	187.266433	6.486015	0.46661763	0.786780
03/17/2061	185.248955	0.85223309	0.45257701	37.699097	186.967560	6.489316	0.46653198	0.786753
03/25/2090	157.152807	0.85082899	0.45308570	37.918485	186.469685	6.562533	0.46533055	0.784809
04/03/2119	153.412923	0.85061252	0.45326585	38.225784	186.113581	6.568502	0.46505892	0.784510
04/10/2148	150.912402	0.85015891	0.45327083	38.510825	185.702717	6.628953	0.46480667	0.783882
04/18/2177	152.585838	0.85100840	0.45288456	38.907558	185.349307	6.650414	0.46559984	0.785057

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