Asteroid General Data

1998 UT₁₈ (85774)

General information

Preliminary designation	1998 UT₁₈
Number	85774
Group	Apollo
Absolute magnitude	19.09
Approximate diameter (m)	400
Approximate mass (kg)	1.21·10¹¹
Number of observations	882
Arc length (days)	12846

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	233.862957
a – orbit major semiaxis (astronomical units)	1.40289700
e – orbit eccentricity	0.32885900
ω – orbit ascending node-perihelion angle (degrees)	50.173267
Ω – longitude of orbit ascending node (degrees)	64.614082
i – orbit inclination to the ecliptic plane (degrees)	13.586389

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	46.585119	1.40235896	0.32784752	48.221962	65.978955	13.667751	0.94259905	1.660693
01/21/1858	215.008679	1.40337930	0.32838595	48.511283	65.789505	13.656841	0.94252925	1.662506
01/29/1887	10.627770	1.40689918	0.32985619	48.705276	65.511553	13.621871	0.94282478	1.668765
02/07/1916	145.681384	1.40838430	0.33061489	49.003296	65.257822	13.609606	0.94275148	1.671408
02/14/1945	273.056082	1.40899856	0.33080977	49.210853	65.105781	13.601674	0.94288807	1.672501
02/22/1974	40.199827	1.40859914	0.33093223	49.453217	64.952133	13.595919	0.94244828	1.671790
03/02/2003	176.561353	1.40552386	0.32977123	49.839950	64.766931	13.591565	0.94202253	1.666318
03/09/2032	340.335552	1.40263420	0.32899360	50.200208	64.593758	13.586338	0.94117653	1.661182
03/17/2061	149.888916	1.40259101	0.32881870	50.426916	64.435987	13.576633	0.94139286	1.661105
03/25/2090	318.213869	1.40318549	0.32915335	50.631326	64.281936	13.568899	0.94132228	1.662162
04/03/2119	117.015940	1.40543351	0.32988655	50.943161	64.008535	13.552970	0.94179990	1.666158
04/10/2148	259.589595	1.40773455	0.33090730	51.168003	63.732943	13.532763	0.94190491	1.670251
04/18/2177	30.448262	1.40880777	0.33123189	51.480861	63.537374	13.521613	0.94216570	1.672161

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