Asteroid General Data

2009 SP₁₇₁ (504711)

General information

Preliminary designation	2009 SP₁₇₁
Number	504711
Group	Apollo
Absolute magnitude	19.27
Approximate diameter (m)	370
Approximate mass (kg)	9.42·10¹⁰
Number of observations	291
Arc length (days)	6729

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	156.805867
a – orbit major semiaxis (astronomical units)	1.35563300
e – orbit eccentricity	0.35591900
ω – orbit ascending node-perihelion angle (degrees)	285.215311
Ω – longitude of orbit ascending node (degrees)	223.070980
i – orbit inclination to the ecliptic plane (degrees)	25.623594

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	86.679770	1.35625143	0.35702821	284.191197	224.237474	25.555600	0.87203142	1.579468
01/21/1858	220.923839	1.35624636	0.35695212	284.356441	224.053993	25.566062	0.87213134	1.579459
01/29/1887	355.518326	1.35625130	0.35677787	284.516119	223.890869	25.574467	0.87237085	1.579468
02/07/1916	131.316544	1.35594325	0.35669665	284.654842	223.715307	25.586441	0.87228283	1.578930
02/14/1945	268.770079	1.35582375	0.35636457	284.800293	223.547342	25.597816	0.87265620	1.578721
02/22/1974	47.636416	1.35572324	0.35633914	284.923165	223.382608	25.605551	0.87262598	1.578546
03/02/2003	186.876034	1.35574477	0.35606889	285.097527	223.206861	25.616760	0.87300624	1.578583
03/09/2032	325.466260	1.35602693	0.35600992	285.255316	223.049128	25.625555	0.87326789	1.579076
03/17/2061	102.206306	1.35633833	0.35581705	285.454912	222.868721	25.636827	0.87373002	1.579620
03/25/2090	237.122714	1.35638425	0.35574384	285.622858	222.708533	25.646743	0.87385890	1.579700
04/03/2119	11.182935	1.35625115	0.35545228	285.777440	222.528122	25.658348	0.87416859	1.579468
04/10/2148	145.867499	1.35592168	0.35534496	285.933228	222.364789	25.669372	0.87410174	1.578892
04/18/2177	282.108911	1.35578544	0.35503371	286.094401	222.181712	25.682701	0.87443591	1.578654

Detailed table...

3D animation...

Calculation on the date...

Return to search