Asteroid General Data

2021 SO₂

General information

Preliminary designation	2021 SO₂
Group	Apollo
Absolute magnitude	24.11
Approximate diameter (m)	40
Approximate mass (kg)	1.17·10⁸
Number of observations	82
Arc length (days)	150

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	200.887219
a – orbit major semiaxis (astronomical units)	1.06577400
e – orbit eccentricity	0.05939900
ω – orbit ascending node-perihelion angle (degrees)	0.459501
Ω – longitude of orbit ascending node (degrees)	346.814509
i – orbit inclination to the ecliptic plane (degrees)	7.453266

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	179.100721	1.06153909	0.05587007	0.604460	350.896102	7.529323	1.00223082	1.093716
01/21/1858	53.768338	1.05687816	0.05172844	0.595330	350.201444	7.559067	1.00220750	1.086521
01/29/1887	296.646215	1.06273372	0.05700924	0.239454	349.578097	7.502226	1.00214808	1.095563
02/07/1916	104.286856	1.06120390	0.05548421	0.400162	348.838943	7.513291	1.00232384	1.093198
02/14/1945	296.583769	1.06165258	0.05583374	0.380970	348.583089	7.507490	1.00237655	1.093891
02/22/1974	167.990716	1.05767516	0.05246815	0.526953	348.031043	7.534451	1.00218090	1.087750
03/02/2003	16.406129	1.06208294	0.05602299	0.250614	347.508276	7.496294	1.00258188	1.094557
03/09/2032	192.206884	1.06574334	0.05943462	0.470122	346.792859	7.455301	1.00240129	1.100220
03/17/2061	298.803261	1.06687197	0.06025791	0.854792	346.190149	7.443145	1.00258450	1.101968
03/25/2090	27.176327	1.07371010	0.06600994	0.998059	345.476133	7.381981	1.00283456	1.112580
04/03/2119	46.652959	1.07465737	0.06665965	0.962327	345.193274	7.373788	1.00302109	1.114052
04/10/2148	97.157356	1.07010605	0.06293193	1.490294	344.561520	7.406967	1.00276222	1.106983
04/18/2177	214.311118	1.06258779	0.05613968	359.618680	343.908344	7.462509	1.00293445	1.095337

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