Asteroid General Data

2020 YS₄

General information

Preliminary designation	2020 YS₄
Group	Apollo
Absolute magnitude	27.77
Approximate diameter (m)	7
Approximate mass (kg)	7.48·10⁵
Number of observations	43
Arc length (days)	1

Approaches

Date	Object	r, AU	r, km
12/28/2020 10:33:36 PM	Earth	0.000645	96 488

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	87.975130
a – orbit major semiaxis (astronomical units)	1.86234161
e – orbit eccentricity	0.47252670
ω – orbit ascending node-perihelion angle (degrees)	186.528738
Ω – longitude of orbit ascending node (degrees)	276.821841
i – orbit inclination to the ecliptic plane (degrees)	4.177261

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	176.989531	1.80460033	0.45484610	179.226825	279.105608	5.300500	0.98378491	2.424221
01/21/1858	168.829603	1.80336690	0.45432680	179.585986	278.843406	5.301719	0.98404899	2.421736
01/29/1887	163.116533	1.79366200	0.45218219	180.208941	278.432097	5.419477	0.98259999	2.402213
02/07/1916	183.052114	1.79723597	0.45305847	180.862685	278.121490	5.396523	0.98298299	2.409396
02/14/1945	199.231357	1.79555457	0.45180402	181.301709	277.875448	5.396407	0.98431579	2.406016
02/22/1974	212.263564	1.79884843	0.45225155	181.746786	277.568028	5.381745	0.98531645	2.412640
03/02/2003	221.709240	1.80018309	0.45268620	182.165230	277.277865	5.376090	0.98526505	2.415325
03/09/2032	143.439188	1.86316424	0.47232116	186.577094	276.786962	4.177620	0.98315234	2.543181
03/17/2061	293.050280	1.86230104	0.47247346	187.071868	276.497789	4.173173	0.98241323	2.541414
03/25/2090	78.837373	1.86728824	0.47276596	187.746967	275.995799	4.119833	0.98449793	2.551630
04/03/2119	215.643671	1.86632213	0.47278000	188.241287	275.703335	4.116498	0.98396235	2.549650
04/10/2148	346.819100	1.87010188	0.47347040	188.941384	275.236575	4.075992	0.98466400	2.557399
04/18/2177	108.326479	1.87139410	0.47361015	189.517364	274.887100	4.066731	0.98508286	2.560050

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