Asteroid General Data

2001 SN₂₈₉ (140288)

General information

Preliminary designation	2001 SN₂₈₉
Number	140288
Group	Apollo
Absolute magnitude	16.73
Approximate diameter (m)	1 200
Approximate mass (kg)	3.15·10¹²
Number of observations	472
Arc length (days)	10718

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	273.966460
a – orbit major semiaxis (astronomical units)	1.78411900
e – orbit eccentricity	0.50828600
ω – orbit ascending node-perihelion angle (degrees)	225.621745
Ω – longitude of orbit ascending node (degrees)	357.058587
i – orbit inclination to the ecliptic plane (degrees)	53.195041

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	253.435293	1.78270980	0.49311451	225.306683	357.971224	53.656745	0.90362973	2.380245
01/21/1858	323.577224	1.78229920	0.49575607	225.353258	357.842509	53.603712	0.89871356	2.379422
01/29/1887	38.462954	1.78259654	0.49800690	225.354195	357.730122	53.560327	0.89485116	2.380018
02/07/1916	107.907071	1.78315754	0.49993856	225.420420	357.603077	53.498811	0.89168833	2.381141
02/14/1945	178.422723	1.78224094	0.50242779	225.472564	357.463693	53.430726	0.88679357	2.379306
02/22/1974	248.376171	1.78252770	0.50430819	225.530883	357.331061	53.359170	0.88358437	2.379880
03/02/2003	316.822835	1.78398964	0.50677562	225.554879	357.175598	53.263387	0.87990717	2.382808
03/09/2032	21.213650	1.78396378	0.50842626	225.659321	357.035187	53.186296	0.87694975	2.382756
03/17/2061	84.958781	1.78437132	0.51013306	225.732885	356.871717	53.085242	0.87410451	2.383573
03/25/2090	147.127770	1.78485278	0.51162611	225.781062	356.743852	53.014187	0.87167550	2.384538
04/03/2119	207.614268	1.78561523	0.51286886	225.824240	356.587462	52.920593	0.86982877	2.386066
04/10/2148	266.698484	1.78568341	0.51434277	225.850371	356.452304	52.867146	0.86723005	2.386203
04/18/2177	325.428944	1.78559002	0.51564753	225.839179	356.326140	52.823631	0.86485493	2.386015

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