Asteroid General Data

2018 AT

General information

Preliminary designation	2018 AT
Group	Apollo
Absolute magnitude	20.56
Approximate diameter (m)	210
Approximate mass (kg)	1.58·10¹⁰
Number of observations	68
Arc length (days)	1228

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	17.296243
a – orbit major semiaxis (astronomical units)	1.69067000
e – orbit eccentricity	0.39906400
ω – orbit ascending node-perihelion angle (degrees)	21.503847
Ω – longitude of orbit ascending node (degrees)	355.756875
i – orbit inclination to the ecliptic plane (degrees)	13.376825

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	66.944287	1.69295151	0.39917478	19.441913	356.984760	13.486830	1.01716797	2.202761
01/21/1858	128.313453	1.69323486	0.39935944	19.694115	356.816246	13.471561	1.01702553	2.203314
01/29/1887	190.001856	1.69321799	0.39930726	19.993787	356.644499	13.455772	1.01710375	2.203281
02/07/1916	254.970823	1.69183750	0.39918903	20.323242	356.453718	13.439582	1.01647453	2.200587
02/14/1945	327.189904	1.68991455	0.39890252	20.625036	356.272379	13.429606	1.01580338	2.196836
02/22/1974	43.189286	1.68964609	0.39858475	20.953063	356.083268	13.407403	1.01617892	2.196313
03/02/2003	119.851261	1.68980376	0.39879952	21.249864	355.911615	13.392635	1.01591083	2.196620
03/09/2032	194.390856	1.69066941	0.39933628	21.591832	355.710178	13.369160	1.01552378	2.198309
03/17/2061	262.595309	1.69239488	0.39980724	21.896828	355.516486	13.346527	1.01576315	2.201675
03/25/2090	324.561589	1.69335606	0.40029892	22.261229	355.310049	13.323143	1.01550746	2.203551
04/03/2119	25.029163	1.69344638	0.40069945	22.536089	355.141850	13.308904	1.01488334	2.203727
04/10/2148	86.589741	1.69233389	0.40077470	22.824520	354.967704	13.295842	1.01408929	2.201556
04/18/2177	154.181474	1.69095870	0.40006325	23.182981	354.765085	13.277083	1.01446826	2.198873

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