Asteroid General Data

2011 SL₁₈₉

General information

Preliminary designation	2011 SL₁₈₉
Group	Apollo
Absolute magnitude	24.71
Approximate diameter (m)	30
Approximate mass (kg)	5.13·10⁷
Number of observations	13
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	260.779216
a – orbit major semiaxis (astronomical units)	2.50713100
e – orbit eccentricity	0.60136100
ω – orbit ascending node-perihelion angle (degrees)	68.580806
Ω – longitude of orbit ascending node (degrees)	344.504325
i – orbit inclination to the ecliptic plane (degrees)	1.359282

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	154.205107	2.85667465	0.65475170	34.029866	21.121355	2.112428	0.98626206	4.828273
01/21/1858	147.936887	2.87574554	0.64519493	35.885295	19.158869	2.024810	1.02032911	4.876703
01/29/1887	142.613879	2.86343973	0.65154839	36.894960	18.122378	1.978968	0.99777017	4.845434
02/07/1916	174.347786	2.78344296	0.67199477	49.403722	7.027753	1.672537	0.91298386	4.643806
02/14/1945	268.650277	2.76988014	0.67674569	51.516183	5.088511	1.635164	0.89537568	4.609906
02/22/1974	0.576864	2.80122242	0.66487252	56.582631	0.381751	1.522778	0.93876661	4.688371
03/02/2003	59.960986	2.82601326	0.65101426	72.221974	345.568684	1.316055	0.98623833	4.750747
03/09/2032	80.136849	2.85592647	0.63619213	89.175778	329.325999	1.223597	1.03900853	4.826376
03/17/2061	69.265432	2.86896817	0.63186467	93.318618	325.384829	1.212175	1.05616853	4.859473
03/25/2090	59.021784	2.85672219	0.63794992	98.519286	320.461545	1.223431	1.03427650	4.828393
04/03/2119	81.408532	2.82304196	0.65106703	119.077711	300.942619	1.388367	0.98505241	4.743257
04/10/2148	148.005831	2.79179750	0.66501231	134.854569	286.104874	1.680148	0.93521780	4.664730
04/18/2177	250.912353	2.76560770	0.67312233	138.178700	283.220259	1.783167	0.90401539	4.599244

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