Asteroid General Data

2018 NH₄

General information

Preliminary designation	2018 NH₄
Group	Amor
Absolute magnitude	24.72
Approximate diameter (m)	30
Approximate mass (kg)	5.06·10⁷
Number of observations	22
Arc length (days)	24

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	261.135724
a – orbit major semiaxis (astronomical units)	2.09404200
e – orbit eccentricity	0.51150900
ω – orbit ascending node-perihelion angle (degrees)	145.595202
Ω – longitude of orbit ascending node (degrees)	114.517203
i – orbit inclination to the ecliptic plane (degrees)	8.305272

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	121.361517	2.08780637	0.51765509	140.868961	117.450242	8.001938	1.00704278	3.016727
01/21/1858	338.916672	2.09115028	0.51420352	141.494715	117.127104	8.034895	1.01587344	3.023977
01/29/1887	190.351479	2.09372102	0.51056260	141.875246	116.803725	8.060599	1.02474538	3.029555
02/07/1916	39.411254	2.09325234	0.51135892	142.054570	116.557764	8.074421	1.02284908	3.028538
02/14/1945	255.798065	2.08776708	0.51689439	142.918795	115.890830	8.141971	1.00861198	3.016641
02/22/1974	118.435269	2.08669951	0.51885009	144.064838	115.286887	8.216767	1.00401528	3.014328
03/02/2003	337.340853	2.09124614	0.51457737	145.234070	114.784976	8.280661	1.01513820	3.024185
03/09/2032	191.766354	2.09395510	0.51165873	145.669785	114.477602	8.306089	1.02256470	3.030063
03/17/2061	40.256937	2.09243552	0.51193968	145.768558	114.232998	8.319466	1.02123474	3.026765
03/25/2090	253.168113	2.09028683	0.51459790	146.168220	113.844111	8.353330	1.01462961	3.022104
04/03/2119	113.103752	2.08934186	0.51767173	147.144432	113.265295	8.419817	1.00774864	3.020055
04/10/2148	338.292386	2.08421215	0.51633762	148.561669	112.581903	8.524456	1.00805501	3.008940
04/18/2177	203.643699	2.08942615	0.51316274	149.440547	112.161153	8.606706	1.01721051	3.020238

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