Asteroid General Data

2018 RA₁

General information

Preliminary designation	2018 RA₁
Group	Apollo
Absolute magnitude	26.42
Approximate diameter (m)	14
Approximate mass (kg)	4.83·10⁶
Number of observations	56
Arc length (days)	5

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	153.551882
a – orbit major semiaxis (astronomical units)	1.14152000
e – orbit eccentricity	0.32377700
ω – orbit ascending node-perihelion angle (degrees)	269.282498
Ω – longitude of orbit ascending node (degrees)	166.096523
i – orbit inclination to the ecliptic plane (degrees)	8.632738

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	40.000712	1.13475992	0.32270600	269.060218	167.867989	8.673259	0.76856609	1.208806
01/21/1858	50.508358	1.13338598	0.32235032	269.279300	167.617649	8.687749	0.76803864	1.206611
01/29/1887	71.082239	1.13278161	0.32217551	269.463913	167.392221	8.696518	0.76782712	1.205646
02/07/1916	66.356973	1.13653788	0.32283496	269.174522	167.110740	8.673767	0.76962372	1.211648
02/14/1945	56.516815	1.13575504	0.32255262	269.220624	166.853583	8.692594	0.76941427	1.210396
02/22/1974	43.414641	1.13786613	0.32323872	269.161981	166.626575	8.689831	0.77006374	1.213773
03/02/2003	18.685435	1.13715878	0.32232981	269.536259	166.353315	8.753143	0.77061860	1.212641
03/09/2032	330.032289	1.14119358	0.32377468	269.373211	166.062872	8.633478	0.77170400	1.219101
03/17/2061	257.148690	1.14185226	0.32386392	269.543198	165.884474	8.634138	0.77204750	1.220156
03/25/2090	161.816253	1.14611517	0.32432484	269.332682	165.573977	8.680665	0.77440155	1.226996
04/03/2119	9.920123	1.15040834	0.32672204	269.586150	165.227517	8.684902	0.77454458	1.233896
04/10/2148	195.621073	1.15065291	0.32693962	269.723627	165.053918	8.687796	0.77445888	1.234290
04/18/2177	14.560860	1.15198791	0.32694958	270.076411	164.858927	8.691982	0.77534595	1.236438

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