Asteroid General Data

2018 GC

General information

Preliminary designation	2018 GC
Group	Apollo
Absolute magnitude	20.84
Approximate diameter (m)	180
Approximate mass (kg)	1.08·10¹⁰
Number of observations	48
Arc length (days)	155

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	264.496836
a – orbit major semiaxis (astronomical units)	2.85521900
e – orbit eccentricity	0.69302700
ω – orbit ascending node-perihelion angle (degrees)	209.103264
Ω – longitude of orbit ascending node (degrees)	24.851594
i – orbit inclination to the ecliptic plane (degrees)	22.973731

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	3.366530	2.83500330	0.68730655	203.774147	29.076885	25.705279	0.88648696	4.773434
01/21/1858	37.175987	2.82053860	0.69387143	204.501421	28.281366	25.354281	0.86344744	4.736949
01/29/1887	93.500315	2.80881022	0.70000151	205.240099	27.528064	25.019658	0.84263882	4.707434
02/07/1916	165.425832	2.79652827	0.70387677	205.827543	26.983791	24.804809	0.82811698	4.676591
02/14/1945	238.112549	2.79908090	0.70476290	206.466416	26.565199	24.517804	0.82639251	4.682996
02/22/1974	287.456650	2.82222927	0.70029372	207.404799	25.966821	23.935270	0.84583983	4.741208
03/02/2003	305.434731	2.85893855	0.69250818	208.755436	25.123703	23.109081	0.87910021	4.834013
03/09/2032	311.027007	2.85981412	0.69335476	209.203661	24.764377	22.950235	0.87694838	4.836234
03/17/2061	326.244794	2.83044694	0.70471220	210.553853	23.387078	22.521617	0.83579644	4.761931
03/25/2090	4.430853	2.81169568	0.71302111	211.720223	22.125213	22.096536	0.80689730	4.714689
04/03/2119	64.375557	2.80096231	0.71833848	212.721667	21.067661	21.738684	0.78892329	4.687718
04/10/2148	138.517897	2.79971833	0.71983386	213.525081	20.330884	21.438690	0.78438629	4.684596
04/18/2177	209.881318	2.80576770	0.71858513	214.413742	19.612657	21.049929	0.78958476	4.699787

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