Asteroid General Data

2022 SO₂₁

General information

Preliminary designation	2022 SO₂₁
Group	Apollo
Absolute magnitude	24.96
Approximate diameter (m)	27
Approximate mass (kg)	3.63·10⁷
Number of observations	28
Arc length (days)	28

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	246.008788
a – orbit major semiaxis (astronomical units)	1.73084600
e – orbit eccentricity	0.42870500
ω – orbit ascending node-perihelion angle (degrees)	231.823834
Ω – longitude of orbit ascending node (degrees)	188.517651
i – orbit inclination to the ecliptic plane (degrees)	6.665278

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	326.353157	1.73103128	0.42931082	228.627635	190.708005	6.730833	0.98788083	2.277498
01/21/1858	231.698173	1.73186380	0.42897307	229.035503	190.408834	6.724759	0.98894086	2.279141
01/29/1887	141.648377	1.73115955	0.42887154	229.553880	190.079253	6.712370	0.98871450	2.277751
02/07/1916	49.875370	1.73067805	0.42856915	229.989536	189.781781	6.705408	0.98896283	2.276801
02/14/1945	316.774643	1.73094961	0.42878519	230.437946	189.450763	6.694553	0.98874404	2.277337
02/22/1974	222.338138	1.73179453	0.42915269	230.997026	189.064317	6.682844	0.98859025	2.279004
03/02/2003	127.102205	1.73121818	0.42910531	231.364132	188.821576	6.678815	0.98834326	2.277867
03/09/2032	31.572155	1.73080844	0.42886724	231.984450	188.441069	6.662414	0.98852140	2.277058
03/17/2061	298.842814	1.73131033	0.42913440	232.346229	188.184637	6.658507	0.98834551	2.278049
03/25/2090	209.333871	1.73123253	0.42889274	232.889643	187.806311	6.644890	0.98871947	2.277895
04/03/2119	117.773103	1.73080558	0.42907932	233.273355	187.542486	6.641541	0.98815270	2.277052
04/10/2148	25.798042	1.73060132	0.42903793	233.732855	187.184378	6.625266	0.98810771	2.276649
04/18/2177	293.889206	1.72965822	0.42898541	234.318502	186.815493	6.609106	0.98766008	2.274789

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