Asteroid General Data

2018 NR₄

General information

Preliminary designation	2018 NR₄
Group	Apollo
Absolute magnitude	20.12
Approximate diameter (m)	250
Approximate mass (kg)	2.91·10¹⁰
Number of observations	45
Arc length (days)	1153

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	192.848006
a – orbit major semiaxis (astronomical units)	2.13322600
e – orbit eccentricity	0.52715800
ω – orbit ascending node-perihelion angle (degrees)	272.167967
Ω – longitude of orbit ascending node (degrees)	120.972885
i – orbit inclination to the ecliptic plane (degrees)	61.583970

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	37.532629	2.13376462	0.52819423	273.608923	122.006063	61.546527	1.00672246	3.116882
01/21/1858	150.004942	2.13375631	0.52815796	273.394135	121.861356	61.547419	1.00679592	3.116864
01/29/1887	262.567707	2.13357240	0.52779936	273.183519	121.695893	61.558053	1.00747426	3.116461
02/07/1916	15.083977	2.13377713	0.52789035	272.950787	121.563245	61.565930	1.00737678	3.116910
02/14/1945	127.582354	2.13360597	0.52743766	272.774653	121.392037	61.569769	1.00826183	3.116535
02/22/1974	240.138543	2.13333520	0.52751928	272.536762	121.251669	61.580451	1.00795975	3.115941
03/02/2003	352.698625	2.13366491	0.52703412	272.356366	121.091670	61.590381	1.00915071	3.116664
03/09/2032	105.212010	2.13362836	0.52704978	272.126709	120.941754	61.589087	1.00910000	3.116584
03/17/2061	217.842752	2.13363367	0.52706590	271.941707	120.782605	61.597361	1.00906812	3.116595
03/25/2090	330.374451	2.13377207	0.52680413	271.711313	120.628155	61.593508	1.00969213	3.116898
04/03/2119	82.913253	2.13340614	0.52722996	271.507185	120.484531	61.605486	1.00861051	3.116097
04/10/2148	195.490806	2.13376251	0.52665248	271.285386	120.330404	61.589837	1.01001119	3.116877
04/18/2177	307.962287	2.13344159	0.52719054	271.073790	120.177034	61.611604	1.00871137	3.116174

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