Asteroid General Data

2013 SD₂₀

General information

Preliminary designation	2013 SD₂₀
Group	Apollo
Absolute magnitude	23.89
Approximate diameter (m)	44
Approximate mass (kg)	1.59·10⁸
Number of observations	42
Arc length (days)	8

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	95.958216
a – orbit major semiaxis (astronomical units)	1.15695600
e – orbit eccentricity	0.26879800
ω – orbit ascending node-perihelion angle (degrees)	270.002505
Ω – longitude of orbit ascending node (degrees)	180.145828
i – orbit inclination to the ecliptic plane (degrees)	20.302269

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	165.016016	1.15724832	0.26844512	268.881386	181.185380	20.289818	0.84659065	1.244917
01/21/1858	278.336491	1.15665756	0.26846749	269.038877	181.033691	20.287394	0.84613261	1.243964
01/29/1887	32.284447	1.15730336	0.26842534	269.188013	180.884960	20.297054	0.84665381	1.245006
02/07/1916	146.828550	1.15667154	0.26849218	269.411607	180.724175	20.290670	0.84611427	1.243987
02/14/1945	260.782262	1.15718885	0.26844843	269.546101	180.580559	20.300710	0.84654332	1.244821
02/22/1974	14.331332	1.15693227	0.26867207	269.739825	180.421051	20.294415	0.84609688	1.244407
03/02/2003	127.170553	1.15732087	0.26854113	269.873343	180.284732	20.303563	0.84653261	1.245034
03/09/2032	240.509005	1.15690235	0.26875476	270.034535	180.120954	20.296804	0.84597935	1.244359
03/17/2061	353.722460	1.15737119	0.26869681	270.180168	179.983185	20.306331	0.84638925	1.245115
03/25/2090	106.436649	1.15688431	0.26869160	270.324784	179.834016	20.302161	0.84603921	1.244330
04/03/2119	219.971814	1.15730336	0.26861033	270.516618	179.688435	20.313242	0.84643973	1.245006
04/10/2148	332.542723	1.15688643	0.26866148	270.640226	179.535551	20.309115	0.84607561	1.244333
04/18/2177	85.582365	1.15727958	0.26838103	270.830887	179.383975	20.320779	0.84668770	1.244968

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