Asteroid General Data

1998 NU (18736)

General information

Preliminary designation	1998 NU
Number	18736
Group	Amor
Absolute magnitude	15.98
Approximate diameter (m)	1 700
Approximate mass (kg)	8.87·10¹²
Number of observations	2154
Arc length (days)	26234

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	31.283007
a – orbit major semiaxis (astronomical units)	2.34973900
e – orbit eccentricity	0.49108000
ω – orbit ascending node-perihelion angle (degrees)	222.891632
Ω – longitude of orbit ascending node (degrees)	297.420774
i – orbit inclination to the ecliptic plane (degrees)	2.806115

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	116.610001	2.34907100	0.49149138	212.270252	305.368204	3.127872	1.19452286	3.600351
01/21/1858	129.779500	2.34970676	0.49053618	214.363414	303.946604	3.056028	1.19709058	3.601813
01/29/1887	145.588369	2.35671594	0.48562969	215.432319	303.005028	3.015821	1.21222472	3.617941
02/07/1916	162.150624	2.35150469	0.49002321	216.250347	302.404615	2.992535	1.19921282	3.605947
02/14/1945	175.066398	2.35038063	0.49097526	218.458031	300.857389	2.928604	1.19640190	3.603362
02/22/1974	187.709684	2.35693909	0.48779575	220.018674	299.594882	2.878004	1.20723422	3.618455
03/02/2003	204.599629	2.35453703	0.48782819	220.817394	298.806596	2.859535	1.20592749	3.612925
03/09/2032	218.453355	2.34908406	0.49115413	222.942144	297.357207	2.805920	1.19532172	3.600381
03/17/2061	229.898960	2.35128448	0.48981597	225.127473	295.682352	2.751508	1.19958780	3.605441
03/25/2090	246.564062	2.35466062	0.48699720	225.626694	295.061881	2.737550	1.20794750	3.613209
04/03/2119	262.225063	2.35112542	0.48992035	227.759143	293.459381	2.686341	1.19926122	3.605075
04/10/2148	273.064812	2.35228041	0.48940898	230.229076	291.626874	2.635979	1.20105324	3.607732
04/18/2177	286.655546	2.35411564	0.48786216	232.759123	289.600890	2.582425	1.20563170	3.611955

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