Asteroid General Data

2011 HS₄ (403775)

General information

Preliminary designation	2011 HS₄
Number	403775
Group	Aten
Absolute magnitude	20.90
Approximate diameter (m)	180
Approximate mass (kg)	9.91·10⁹
Number of observations	142
Arc length (days)	8040

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	66.412185
a – orbit major semiaxis (astronomical units)	0.93833700
e – orbit eccentricity	0.68002600
ω – orbit ascending node-perihelion angle (degrees)	314.292903
Ω – longitude of orbit ascending node (degrees)	117.476919
i – orbit inclination to the ecliptic plane (degrees)	5.464958

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	275.323117	0.93799984	0.68054152	312.110170	119.614134	5.337930	0.29965201	0.908458
01/21/1858	248.143492	0.93876723	0.68036090	312.594025	119.088666	5.354703	0.30006671	0.909573
01/29/1887	212.248454	0.93888722	0.68019920	312.945473	118.707762	5.366486	0.30025689	0.909747
02/07/1916	176.253963	0.93866223	0.68009745	313.249104	118.462934	5.393862	0.30028044	0.909420
02/14/1945	148.423934	0.93829390	0.68008394	313.515143	118.217336	5.410962	0.30017529	0.908885
02/22/1974	125.628549	0.93781402	0.68007910	313.794666	117.954300	5.429420	0.30002630	0.908188
03/02/2003	101.613926	0.93840315	0.68009085	314.089270	117.655590	5.445558	0.30020376	0.909044
03/09/2032	74.748861	0.93850239	0.68009749	314.361492	117.408467	5.468877	0.30022927	0.909188
03/17/2061	45.006931	0.93850781	0.68002739	314.763041	116.995175	5.477977	0.30029679	0.909196
03/25/2090	13.725930	0.93858394	0.68005915	314.994821	116.730120	5.494343	0.30029134	0.909306
04/03/2119	342.556535	0.93873108	0.68000132	315.219923	116.479515	5.511870	0.30039271	0.909520
04/10/2148	311.587691	0.93845770	0.67998358	315.452385	116.215575	5.528430	0.30032187	0.909123
04/18/2177	281.584109	0.93847137	0.68000533	315.640657	116.014707	5.559580	0.30030584	0.909143

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