Asteroid General Data

2025 YS₄

General information

Preliminary designation	2025 YS₄
Group	Apollo
Absolute magnitude	25.43
Approximate diameter (m)	22
Approximate mass (kg)	1.90·10⁷
Number of observations	27
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	181.792125
a – orbit major semiaxis (astronomical units)	1.06611700
e – orbit eccentricity	0.47762500
ω – orbit ascending node-perihelion angle (degrees)	294.090092
Ω – longitude of orbit ascending node (degrees)	272.460629
i – orbit inclination to the ecliptic plane (degrees)	26.865114

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	356.745364	1.06664624	0.47747090	293.229408	273.562152	26.873638	0.55735370	1.101619
01/21/1858	126.088056	1.06640857	0.47763398	293.345744	273.390064	26.862282	0.55705560	1.101250
01/29/1887	251.680620	1.06656554	0.47746832	293.416684	273.236636	26.870011	0.55731429	1.101493
02/07/1916	17.346771	1.06643884	0.47743089	293.552456	273.083234	26.877567	0.55728800	1.101297
02/14/1945	150.870005	1.06612764	0.47769196	293.725223	272.911053	26.856178	0.55684704	1.100815
02/22/1974	277.355757	1.06661622	0.47754057	293.792985	272.762168	26.862383	0.55726370	1.101572
03/02/2003	43.739464	1.06655484	0.47742973	293.906069	272.593984	26.870545	0.55734985	1.101477
03/09/2032	172.594143	1.06601553	0.47760091	294.102983	272.436619	26.867661	0.55688554	1.100642
03/17/2061	298.455499	1.06673791	0.47749271	294.180032	272.267015	26.871050	0.55737833	1.101761
03/25/2090	63.135139	1.06646714	0.47742557	294.281339	272.116992	26.881320	0.55730846	1.101341
04/03/2119	190.191203	1.06650023	0.47759344	294.443331	271.944538	26.875444	0.55714672	1.101392
04/10/2148	314.209686	1.06659393	0.47742249	294.504226	271.794305	26.885375	0.55737800	1.101537
04/18/2177	78.888904	1.06652489	0.47736227	294.626813	271.641367	26.892343	0.55740615	1.101431

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