Asteroid General Data

2021 GR₁₈

General information

Preliminary designation	2021 GR₁₈
Group	Apollo
Absolute magnitude	22.94
Approximate diameter (m)	69
Approximate mass (kg)	5.91·10⁸
Number of observations	26
Arc length (days)	35

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	209.077867
a – orbit major semiaxis (astronomical units)	1.60678300
e – orbit eccentricity	0.38959700
ω – orbit ascending node-perihelion angle (degrees)	110.452396
Ω – longitude of orbit ascending node (degrees)	160.560563
i – orbit inclination to the ecliptic plane (degrees)	12.211196

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	190.369604	1.60675996	0.38982231	107.812900	162.520851	12.118311	0.98040908	2.036700
01/21/1858	280.005565	1.60592401	0.38979683	108.177131	162.229162	12.129190	0.97993992	2.035111
01/29/1887	9.623882	1.60659896	0.38963653	108.563748	161.950874	12.142124	0.98060932	2.036394
02/07/1916	99.786663	1.60670892	0.38976278	108.974989	161.659291	12.154842	0.98047358	2.036603
02/14/1945	189.027657	1.60661323	0.38965633	109.360977	161.380753	12.169485	0.98058622	2.036421
02/22/1974	278.621017	1.60697425	0.38964928	109.740484	161.092350	12.183177	0.98081788	2.037108
03/02/2003	7.468128	1.60686183	0.38962464	110.159660	160.806964	12.200041	0.98078887	2.036894
03/09/2032	96.865768	1.60678479	0.38968479	110.478273	160.532991	12.214634	0.98064519	2.036747
03/17/2061	186.250310	1.60706985	0.38955449	110.871975	160.260444	12.226043	0.98102857	2.037289
03/25/2090	276.328469	1.60659374	0.38954927	111.243901	159.974826	12.244385	0.98074633	2.036384
04/03/2119	6.639354	1.60656897	0.38957347	111.538160	159.745260	12.254662	0.98069232	2.036337
04/10/2148	96.692356	1.60685823	0.38932364	112.007146	159.423587	12.273385	0.98127033	2.036887
04/18/2177	186.038562	1.60667542	0.38951647	112.329604	159.191495	12.284488	0.98084888	2.036540

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