Asteroid General Data

2025 YS₉

General information

Preliminary designation	2025 YS₉
Group	Aten
Absolute magnitude	26.22
Approximate diameter (m)	15
Approximate mass (kg)	6.37·10⁶
Number of observations	30
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	187.174117
a – orbit major semiaxis (astronomical units)	0.96848600
e – orbit eccentricity	0.29373400
ω – orbit ascending node-perihelion angle (degrees)	115.437409
Ω – longitude of orbit ascending node (degrees)	98.552714
i – orbit inclination to the ecliptic plane (degrees)	13.938978

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	128.626948	0.97005868	0.29244135	114.020324	100.036445	14.009516	0.68637342	0.955427
01/21/1858	272.586998	0.96919839	0.29243211	114.303433	99.791512	14.014004	0.68577366	0.954157
01/29/1887	66.157444	0.96901154	0.29236530	114.488780	99.589489	14.019849	0.68570619	0.953881
02/07/1916	209.623525	0.96981224	0.29251606	114.516786	99.394957	14.006771	0.68612659	0.955063
02/14/1945	344.313791	0.96928676	0.29296773	114.859504	99.158019	13.998319	0.68531702	0.954287
02/22/1974	134.392996	0.96893197	0.29295901	115.091843	98.975685	13.998766	0.68507462	0.953763
03/02/2003	289.556640	0.96887598	0.29289694	115.231958	98.778214	13.998919	0.68509517	0.953680
03/09/2032	95.107481	0.96862458	0.29379443	115.475400	98.538959	13.939466	0.68404807	0.953309
03/17/2061	255.289378	0.96846157	0.29356499	115.607919	98.344260	13.951983	0.68415516	0.953069
03/25/2090	61.850805	0.96767288	0.29392528	115.986618	98.110859	13.951937	0.68324936	0.951905
04/03/2119	238.376550	0.96742054	0.29389449	116.189097	97.925363	13.951806	0.68310097	0.951532
04/10/2148	57.917099	0.96737590	0.29440763	116.404845	97.684342	13.929850	0.68257305	0.951467
04/18/2177	238.779529	0.96717235	0.29439908	116.616267	97.499233	13.928976	0.68243770	0.951166

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