Asteroid General Data

2021 SW₃

General information

Preliminary designation	2021 SW₃
Group	Amor
Absolute magnitude	24.21
Approximate diameter (m)	38
Approximate mass (kg)	1.02·10⁸
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)	153.200049
a – orbit major semiaxis (astronomical units)	1.30983600
e – orbit eccentricity	0.19457000
ω – orbit ascending node-perihelion angle (degrees)	120.798273
Ω – longitude of orbit ascending node (degrees)	185.147462
i – orbit inclination to the ecliptic plane (degrees)	21.643004

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	111.268746	1.30971176	0.19550185	119.027189	186.128802	21.588830	1.05366068	1.498871
01/21/1858	242.648838	1.30899685	0.19477672	119.483943	185.946256	21.606045	1.05403474	1.497644
01/29/1887	25.618998	1.30749977	0.19384288	119.693161	185.794426	21.614732	1.05405026	1.495075
02/07/1916	175.670581	1.30708951	0.19360874	119.773017	185.679597	21.620354	1.05402556	1.494372
02/14/1945	326.784503	1.30709464	0.19348191	119.900594	185.560198	21.627091	1.05419547	1.494380
02/22/1974	116.081965	1.30764055	0.19371595	119.957249	185.450499	21.630433	1.05432972	1.495317
03/02/2003	257.583063	1.30903677	0.19445895	120.284574	185.300376	21.631788	1.05448285	1.497712
03/09/2032	28.225696	1.30966779	0.19438985	120.898381	185.112878	21.647717	1.05508167	1.498795
03/17/2061	164.963574	1.30802825	0.19321760	121.192512	184.940917	21.658703	1.05529417	1.495982
03/25/2090	312.637712	1.30723251	0.19273077	121.301627	184.820939	21.666352	1.05528858	1.494617
04/03/2119	103.634723	1.30712472	0.19249616	121.415752	184.710422	21.672016	1.05550823	1.494432
04/10/2148	254.195087	1.30736000	0.19254163	121.496823	184.593709	21.679843	1.05563878	1.494835
04/18/2177	40.454085	1.30826675	0.19298939	121.666173	184.474013	21.681662	1.05578516	1.496391

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