Asteroid General Data

2018 AT₁₈

General information

Preliminary designation	2018 AT₁₈
Group	Apollo
Absolute magnitude	27.55
Approximate diameter (m)	8
Approximate mass (kg)	1.01·10⁶
Number of observations	20
Arc length (days)	1

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	281.610146
a – orbit major semiaxis (astronomical units)	2.13653500
e – orbit eccentricity	0.53736700
ω – orbit ascending node-perihelion angle (degrees)	151.107602
Ω – longitude of orbit ascending node (degrees)	314.850489
i – orbit inclination to the ecliptic plane (degrees)	0.370779

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	88.610810	2.12525820	0.53405893	134.596819	328.673683	0.331873	0.99024508	3.098262
01/21/1858	223.056913	2.12956550	0.53648667	137.232611	326.762134	0.335061	0.98708199	3.107686
01/29/1887	338.714868	2.13772375	0.53537215	139.845550	324.359473	0.342814	0.99324599	3.125561
02/07/1916	90.364824	2.12897730	0.53617563	143.237609	321.597989	0.347040	0.98747156	3.106398
02/14/1945	211.177366	2.13097200	0.53362807	143.754604	321.123952	0.340494	0.99382552	3.110765
02/22/1974	332.182680	2.12792529	0.53668014	146.001437	319.289877	0.342215	0.98591004	3.104096
03/02/2003	88.966043	2.13747424	0.53507762	147.724009	317.937172	0.346422	0.99375961	3.125014
03/09/2032	190.108427	2.14033832	0.53777597	151.643067	314.457115	0.372356	0.98931580	3.131297
03/17/2061	285.292391	2.14337528	0.53600617	152.553083	313.871738	0.363130	0.99451291	3.137964
03/25/2090	21.530834	2.14130519	0.53854374	153.967860	312.587123	0.365572	0.98811869	3.133419
04/03/2119	113.466258	2.14246276	0.53525141	155.237020	311.678624	0.356803	0.99570654	3.135960
04/10/2148	208.219871	2.13922125	0.53866778	156.744595	310.414509	0.360150	0.98689170	3.128846
04/18/2177	303.296828	2.14176815	0.53514668	157.906865	309.468298	0.350348	0.99560804	3.134435

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