Asteroid General Data

2018 SA₂

General information

Preliminary designation	2018 SA₂
Group	Amor
Absolute magnitude	22.62
Approximate diameter (m)	79
Approximate mass (kg)	9.20·10⁸
Number of observations	58
Arc length (days)	51

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	147.227466
a – orbit major semiaxis (astronomical units)	2.23008500
e – orbit eccentricity	0.52306200
ω – orbit ascending node-perihelion angle (degrees)	11.375078
Ω – longitude of orbit ascending node (degrees)	331.476125
i – orbit inclination to the ecliptic plane (degrees)	8.842608

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	334.830139	2.22709764	0.52017658	7.449734	333.589959	9.061753	1.06861361	3.323606
01/21/1858	239.706431	2.22681894	0.52038393	7.999169	333.342330	9.033641	1.06801815	3.322982
01/29/1887	145.165622	2.22543876	0.52214843	8.493387	333.039854	9.018887	1.06342940	3.319893
02/07/1916	46.331846	2.22896562	0.52181033	9.140458	332.692941	8.967816	1.06586832	3.327788
02/14/1945	307.892615	2.22499770	0.52334389	9.853878	332.367645	8.950219	1.06055874	3.318906
02/22/1974	214.032984	2.22573709	0.52241067	10.219755	332.069619	8.915064	1.06298829	3.320561
03/02/2003	118.257828	2.22883201	0.52151984	10.843222	331.766984	8.871409	1.06645190	3.327489
03/09/2032	20.268360	2.22731665	0.52419444	11.491390	331.416544	8.838583	1.05976964	3.324096
03/17/2061	283.262102	2.22628935	0.52291051	11.945976	331.112120	8.800027	1.06213926	3.321797
03/25/2090	185.795089	2.22543693	0.52385596	12.800701	330.755332	8.747953	1.05962853	3.319889
04/03/2119	90.498629	2.22513406	0.52472399	13.173812	330.471280	8.728405	1.05755283	3.319211
04/10/2148	350.559479	2.23065590	0.52348907	14.062443	330.023221	8.643513	1.06293192	3.331574
04/18/2177	241.245222	2.23466593	0.52575533	14.680272	329.698166	8.603489	1.05977839	3.340562

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