Asteroid General Data

2017 SD₁₂

General information

Preliminary designation	2017 SD₁₂
Group	Apollo
Absolute magnitude	25.02
Approximate diameter (m)	26
Approximate mass (kg)	3.34·10⁷
Number of observations	113
Arc length (days)	14

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	300.995093
a – orbit major semiaxis (astronomical units)	1.52034000
e – orbit eccentricity	0.36310300
ω – orbit ascending node-perihelion angle (degrees)	145.701186
Ω – longitude of orbit ascending node (degrees)	178.540917
i – orbit inclination to the ecliptic plane (degrees)	6.950555

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	320.626567	1.51588117	0.36208766	142.522786	180.447389	6.692137	0.96699930	1.866373
01/21/1858	156.411438	1.51749938	0.36242032	143.190541	180.157235	6.784167	0.96752676	1.869362
01/29/1887	346.121277	1.51743762	0.36219677	143.628920	179.885887	6.796720	0.96782661	1.869248
02/07/1916	180.541183	1.51609664	0.36174495	143.877212	179.597200	6.819832	0.96765633	1.866771
02/14/1945	24.705460	1.51438100	0.36135404	144.196378	179.290139	6.846096	0.96715331	1.863603
02/22/1974	234.188515	1.51321822	0.36074371	144.470478	179.033727	6.864229	0.96733426	1.861457
03/02/2003	81.722231	1.51405199	0.36117427	144.787676	178.840674	6.872368	0.96721536	1.862995
03/09/2032	272.682039	1.52027073	0.36285973	145.734054	178.520177	6.951163	0.96862571	1.874485
03/17/2061	114.214294	1.51479678	0.36047934	145.959540	178.164679	7.033392	0.96874383	1.864370
03/25/2090	316.886369	1.51487544	0.36055109	146.282018	177.969368	7.043839	0.96868545	1.864516
04/03/2119	168.543023	1.51378686	0.36009461	146.594932	177.673013	7.079758	0.96868037	1.862506
04/10/2148	16.322106	1.51349467	0.35991358	146.973487	177.413295	7.088191	0.96876738	1.861967
04/18/2177	228.414755	1.51447813	0.36021712	147.282346	177.173212	7.104646	0.96893718	1.863782

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