Asteroid General Data

1998 UN₁ (275545)

General information

Preliminary designation	1998 UN₁
Number	275545
Group	Amor
Absolute magnitude	18.21
Approximate diameter (m)	610
Approximate mass (kg)	4.07·10¹¹
Number of observations	602
Arc length (days)	9565

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	47.443138
a – orbit major semiaxis (astronomical units)	1.51351500
e – orbit eccentricity	0.22096900
ω – orbit ascending node-perihelion angle (degrees)	87.712410
Ω – longitude of orbit ascending node (degrees)	217.845854
i – orbit inclination to the ecliptic plane (degrees)	32.423975

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	353.119878	1.51377744	0.22046265	87.244909	218.720430	32.418590	1.18004605	1.862489
01/21/1858	202.488751	1.51369902	0.22065564	87.338093	218.595535	32.420437	1.17969280	1.862344
01/29/1887	52.435181	1.51362393	0.22045283	87.377665	218.456767	32.422682	1.17994125	1.862205
02/07/1916	263.246727	1.51357879	0.22045728	87.445418	218.330238	32.424107	1.17989932	1.862122
02/14/1945	114.076204	1.51350992	0.22069700	87.526984	218.199824	32.423012	1.17948281	1.861995
02/22/1974	324.635041	1.51353494	0.22072351	87.600941	218.077022	32.424123	1.17946219	1.862041
03/02/2003	175.244395	1.51361389	0.22078602	87.642736	217.949503	32.421626	1.17942910	1.862187
03/09/2032	26.153005	1.51346451	0.22089659	87.698108	217.825045	32.426230	1.17914536	1.861911
03/17/2061	236.640155	1.51367373	0.22102738	87.830844	217.692379	32.424753	1.17911039	1.862297
03/25/2090	86.563316	1.51368252	0.22084999	87.864658	217.564774	32.429167	1.17938576	1.862314
04/03/2119	296.692133	1.51373915	0.22096467	87.908830	217.440808	32.431896	1.17925628	1.862418
04/10/2148	146.543194	1.51366089	0.22105736	88.025609	217.304186	32.431956	1.17905500	1.862274
04/18/2177	356.295300	1.51369726	0.22100613	88.106451	217.179355	32.432202	1.17916089	1.862341

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