Asteroid General Data

2018 UN₁

General information

Preliminary designation	2018 UN₁
Group	Apollo
Absolute magnitude	19.35
Approximate diameter (m)	360
Approximate mass (kg)	8.43·10¹⁰
Number of observations	139
Arc length (days)	2863

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	95.935624
a – orbit major semiaxis (astronomical units)	2.25160200
e – orbit eccentricity	0.79318900
ω – orbit ascending node-perihelion angle (degrees)	27.228801
Ω – longitude of orbit ascending node (degrees)	129.313891
i – orbit inclination to the ecliptic plane (degrees)	5.298910

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	320.482004	2.31869140	0.79987596	18.574644	136.054372	6.218528	0.46402589	3.530734
01/21/1858	47.819623	2.31533546	0.80076796	20.173541	134.879491	6.031718	0.46128900	3.523072
01/29/1887	136.151039	2.31756529	0.79972294	20.467422	134.690602	6.003422	0.46415516	3.528162
02/07/1916	239.511109	2.31508932	0.80021188	22.047156	133.621445	5.838799	0.46252733	3.522510
02/14/1945	332.929993	2.31115730	0.80112672	22.450500	133.279715	5.816004	0.45962742	3.513540
02/22/1974	71.954176	2.30672966	0.80314609	24.174951	131.948759	5.622171	0.45408875	3.503448
03/02/2003	172.999040	2.30361218	0.80395438	25.140568	131.222002	5.545269	0.45161308	3.496348
03/09/2032	267.120188	2.30902576	0.80105564	26.904919	129.807426	5.339906	0.45936766	3.508680
03/17/2061	6.131515	2.30141981	0.80450076	28.588055	128.463364	5.184856	0.44992582	3.491358
03/25/2090	103.379927	2.30540969	0.80249759	29.798208	127.536299	5.074677	0.45532397	3.500441
04/03/2119	200.305497	2.30427214	0.80184049	32.320769	125.363119	4.830027	0.45661344	3.497851
04/10/2148	300.113141	2.30078070	0.80394750	33.766664	124.226189	4.739918	0.45107382	3.489904
04/18/2177	39.329825	2.31034635	0.80042573	36.091533	122.222560	4.553452	0.46108569	3.511691

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