Asteroid General Data

2022 SM₂₁

General information

Preliminary designation	2022 SM₂₁
Group	Apollo
Absolute magnitude	27.30
Approximate diameter (m)	9
Approximate mass (kg)	1.43·10⁶
Number of observations	16
Arc length (days)	9

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	93.639675
a – orbit major semiaxis (astronomical units)	2.09993300
e – orbit eccentricity	0.62963400
ω – orbit ascending node-perihelion angle (degrees)	86.054065
Ω – longitude of orbit ascending node (degrees)	349.743697
i – orbit inclination to the ecliptic plane (degrees)	1.979457

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	139.888498	2.10482182	0.63406897	72.815309	1.440286	2.131873	0.77021962	3.053681
01/21/1858	322.075478	2.10543078	0.63184974	75.950197	358.783493	2.109959	0.77511488	3.055006
01/29/1887	137.557064	2.10203265	0.62888549	77.116467	357.747497	2.081142	0.78009483	3.047613
02/07/1916	326.900391	2.09943774	0.63205353	78.373391	356.541058	2.069195	0.77248071	3.041971
02/14/1945	163.269134	2.09620753	0.63432168	80.978061	354.361822	2.050369	0.76653766	3.034953
02/22/1974	1.781941	2.10107950	0.62946548	83.982136	351.822056	2.037754	0.77852248	3.045540
03/02/2003	191.118502	2.10213139	0.62787627	84.820026	351.006117	2.031039	0.78225298	3.047828
03/09/2032	21.145158	2.09946336	0.63149733	86.792591	349.105471	1.977435	0.77365786	3.042027
03/17/2061	217.532945	2.09604565	0.63364817	89.489838	346.798161	1.969393	0.76789016	3.034602
03/25/2090	56.694628	2.09809022	0.63110454	91.856703	344.784871	1.967806	0.77397595	3.039043
04/03/2119	244.040311	2.10352639	0.62769418	93.198367	343.408378	1.953903	0.78315512	3.050862
04/10/2148	70.410192	2.10289342	0.62921196	94.098881	342.529488	1.950313	0.77972774	3.049485
04/18/2177	263.351902	2.09784649	0.63316303	97.574925	339.517602	1.953887	0.76956764	3.038513

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