Asteroid General Data

2011 SO₁₈₉

General information

Preliminary designation	2011 SO₁₈₉
Group	Apollo
Absolute magnitude	26.49
Approximate diameter (m)	13
Approximate mass (kg)	4.38·10⁶
Number of observations	31
Arc length (days)	7

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	129.079974
a – orbit major semiaxis (astronomical units)	1.99459000
e – orbit eccentricity	0.56528700
ω – orbit ascending node-perihelion angle (degrees)	307.053145
Ω – longitude of orbit ascending node (degrees)	2.194852
i – orbit inclination to the ecliptic plane (degrees)	4.444151

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	153.396850	2.01800363	0.57001871	302.072279	6.519653	4.200750	0.86770380	2.866708
01/21/1858	193.473440	2.02035423	0.56829320	302.630072	6.084376	4.204330	0.87220066	2.871719
01/29/1887	226.226881	2.02073291	0.56910815	304.182707	5.039132	4.231825	0.87071735	2.872526
02/07/1916	263.262343	2.02050913	0.57076339	304.797568	4.503868	4.239896	0.86727650	2.872049
02/14/1945	303.222848	2.02103927	0.56796552	305.291833	4.069338	4.249288	0.87315865	2.873179
02/22/1974	338.571827	2.02057539	0.56850353	306.390809	3.301284	4.272605	0.87187116	2.872190
03/02/2003	17.917567	2.01825373	0.57158171	307.270060	2.490272	4.287548	0.86465681	2.867241
03/09/2032	108.775028	1.99419445	0.56450119	307.302474	2.047932	4.448597	0.86846931	2.816125
03/17/2061	219.956107	1.99213657	0.56664859	308.250831	1.302934	4.471904	0.86329520	2.811767
03/25/2090	330.498524	1.99954717	0.56541142	308.972868	0.848530	4.477084	0.86898036	2.827471
04/03/2119	66.873499	1.99880969	0.56714594	309.812480	0.213801	4.496568	0.86519288	2.825906
04/10/2148	163.501622	1.99911532	0.56539882	310.529017	359.672101	4.508309	0.86881787	2.826555
04/18/2177	257.537562	1.99759722	0.56695464	311.350229	359.046438	4.528396	0.86505020	2.823336

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