Asteroid General Data

2018 NP₁ (585428)

General information

Preliminary designation	2018 NP₁
Number	585428
Group	Apollo
Absolute magnitude	20.97
Approximate diameter (m)	170
Approximate mass (kg)	8.99·10⁹
Number of observations	77
Arc length (days)	1477

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	157.616326
a – orbit major semiaxis (astronomical units)	1.02271300
e – orbit eccentricity	0.23088500
ω – orbit ascending node-perihelion angle (degrees)	355.833796
Ω – longitude of orbit ascending node (degrees)	114.449505
i – orbit inclination to the ecliptic plane (degrees)	27.657080

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	103.175041	1.02275261	0.23108790	355.120004	115.109779	27.643300	0.78640685	1.034324
01/21/1858	126.167000	1.02261755	0.23097672	355.222670	115.012443	27.644973	0.78641670	1.034119
01/29/1887	149.082854	1.02251530	0.23094432	355.318010	114.917858	27.646875	0.78637120	1.033964
02/07/1916	172.756646	1.02248756	0.23092134	355.461043	114.818354	27.649221	0.78637336	1.033922
02/14/1945	195.617322	1.02255069	0.23094704	355.565901	114.722985	27.650810	0.78639564	1.034017
02/22/1974	218.525995	1.02260538	0.23095298	355.661170	114.628267	27.652800	0.78643162	1.034100
03/02/2003	240.948845	1.02261705	0.23094499	355.767228	114.531391	27.653882	0.78644876	1.034118
03/09/2032	263.896581	1.02250567	0.23088872	355.858954	114.435046	27.656440	0.78642064	1.033949
03/17/2061	286.554656	1.02239909	0.23077012	355.995994	114.334169	27.657597	0.78645993	1.033788
03/25/2090	309.739747	1.02265439	0.23091067	356.086040	114.236743	27.657706	0.78651258	1.034175
04/03/2119	332.352657	1.02268881	0.23085934	356.193578	114.139724	27.658171	0.78659155	1.034227
04/10/2148	355.268444	1.02271374	0.23081859	356.283458	114.047041	27.658683	0.78665239	1.034265
04/18/2177	18.054934	1.02265386	0.23070777	356.404469	113.949513	27.659989	0.78671967	1.034174

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