Asteroid General Data

2018 NB₄

General information

Preliminary designation	2018 NB₄
Group	Amor
Absolute magnitude	19.50
Approximate diameter (m)	330
Approximate mass (kg)	6.85·10¹⁰
Number of observations	38
Arc length (days)	3068

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	309.154191
a – orbit major semiaxis (astronomical units)	2.08714900
e – orbit eccentricity	0.45899200
ω – orbit ascending node-perihelion angle (degrees)	204.279095
Ω – longitude of orbit ascending node (degrees)	349.900163
i – orbit inclination to the ecliptic plane (degrees)	13.771184

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	159.379980	2.09229639	0.45106406	200.481115	351.985522	14.096457	1.14853669	3.026463
01/21/1858	15.239013	2.08821588	0.45634603	200.976252	351.761238	14.100092	1.13526686	3.017614
01/29/1887	238.219432	2.08673030	0.45889285	201.779110	351.484817	14.040250	1.12914468	3.014395
02/07/1916	102.280075	2.08685233	0.45663933	202.780266	351.070425	13.926554	1.13391349	3.014659
02/14/1945	319.003395	2.09216823	0.45302768	203.578737	350.556957	13.805043	1.14435811	3.026185
02/22/1974	169.924167	2.09245320	0.45232727	203.707857	350.285421	13.785526	1.14597955	3.026804
03/02/2003	23.009207	2.09056560	0.45496067	203.799857	350.083903	13.787338	1.13944048	3.022709
03/09/2032	242.741089	2.08721437	0.45869547	204.335841	349.871089	13.765594	1.12981859	3.015444
03/17/2061	110.579843	2.08501626	0.45983766	205.847312	349.331278	13.629167	1.12624727	3.010681
03/25/2090	333.479783	2.08957676	0.45772495	206.748409	348.872967	13.516831	1.13312534	3.020564
04/03/2119	187.988918	2.09234383	0.45460424	207.118016	348.497673	13.447024	1.14115546	3.026566
04/10/2148	39.130875	2.09237105	0.45468417	207.252397	348.207907	13.431272	1.14100304	3.026625
04/18/2177	253.555401	2.08878254	0.45910594	207.560552	347.992501	13.427673	1.12981007	3.018842

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