Asteroid General Data

2021 SF₃

General information

Preliminary designation	2021 SF₃
Group	Apollo
Absolute magnitude	23.37
Approximate diameter (m)	56
Approximate mass (kg)	3.27·10⁸
Number of observations	27
Arc length (days)	38

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	104.884654
a – orbit major semiaxis (astronomical units)	1.04769700
e – orbit eccentricity	0.17712800
ω – orbit ascending node-perihelion angle (degrees)	127.369100
Ω – longitude of orbit ascending node (degrees)	17.661453
i – orbit inclination to the ecliptic plane (degrees)	22.341605

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	291.611532	1.04676934	0.17488481	126.502023	18.551086	22.407973	0.86370528	1.070969
01/21/1858	326.375108	1.04676594	0.17506991	126.656714	18.425439	22.401597	0.86350872	1.070964
01/29/1887	358.525572	1.04689515	0.17550084	126.830475	18.299278	22.389673	0.86316417	1.071163
02/07/1916	29.686200	1.04705966	0.17576918	126.930510	18.169944	22.381671	0.86301885	1.071415
02/14/1945	60.491339	1.04709664	0.17613141	127.020027	18.038114	22.370837	0.86267004	1.071472
02/22/1974	90.577539	1.04715940	0.17652081	127.124454	17.905226	22.359298	0.86231397	1.071568
03/02/2003	118.414903	1.04739262	0.17683475	127.285651	17.771521	22.348233	0.86217721	1.071926
03/09/2032	143.125896	1.04769714	0.17710199	127.400689	17.645217	22.341195	0.86214789	1.072394
03/17/2061	167.043218	1.04754444	0.17700484	127.433497	17.522574	22.341067	0.86212401	1.072159
03/25/2090	193.928043	1.04715597	0.17701619	127.457641	17.398423	22.339458	0.86179241	1.071563
04/03/2119	223.743818	1.04698640	0.17721166	127.543289	17.264371	22.333562	0.86144819	1.071303
04/10/2148	255.480660	1.04686221	0.17745738	127.616764	17.133776	22.326175	0.86108878	1.071112
04/18/2177	290.056861	1.04658356	0.17751617	127.675964	17.001366	22.323531	0.86079806	1.070684

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