Asteroid General Data

2021 SH₃

General information

Preliminary designation	2021 SH₃
Group	Apollo
Absolute magnitude	25.51
Approximate diameter (m)	21
Approximate mass (kg)	1.70·10⁷
Number of observations	18
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	91.415742
a – orbit major semiaxis (astronomical units)	2.53439300
e – orbit eccentricity	0.62669000
ω – orbit ascending node-perihelion angle (degrees)	298.702305
Ω – longitude of orbit ascending node (degrees)	27.930903
i – orbit inclination to the ecliptic plane (degrees)	3.420398

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	132.992381	2.52353331	0.62631898	271.972661	50.293820	3.170896	0.94299650	4.008798
01/21/1858	203.037458	2.54253643	0.61536154	276.738615	46.524479	3.173721	0.97795730	4.054165
01/29/1887	244.141718	2.55859140	0.60561523	277.584900	45.775939	3.170414	1.00906947	4.092626
02/07/1916	278.677344	2.55731446	0.60553848	277.722020	45.459049	3.159989	1.00876216	4.089562
02/14/1945	325.443527	2.53516746	0.61784488	279.712140	43.578939	3.166630	0.96882723	4.036552
02/22/1974	44.621234	2.51527025	0.63003083	285.659673	38.482699	3.227502	0.93057244	3.989125
03/02/2003	140.398109	2.51996739	0.63296752	293.843601	31.717646	3.325406	0.92490989	4.000304
03/09/2032	216.805737	2.54145615	0.62134040	299.862009	27.075438	3.439506	0.96234676	4.051581
03/17/2061	261.289998	2.55584247	0.61209667	300.553532	26.597548	3.440535	0.99141982	4.086032
03/25/2090	295.703415	2.55642736	0.61021957	300.598864	26.330213	3.437981	0.99644535	4.087434
04/03/2119	338.897298	2.54692905	0.61589284	301.365489	25.530163	3.453441	0.97829369	4.064676
04/10/2148	48.495390	2.52204409	0.63396179	307.234342	20.730894	3.625500	0.92316450	4.005250
04/18/2177	131.531373	2.52404900	0.63502670	312.310957	17.038895	3.767441	0.92121049	4.010027

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