Asteroid General Data

2011 OD₁₈

General information

Preliminary designation	2011 OD₁₈
Group	Apollo
Absolute magnitude	26.48
Approximate diameter (m)	13
Approximate mass (kg)	4.45·10⁶
Number of observations	30
Arc length (days)	8

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	55.499321
a – orbit major semiaxis (astronomical units)	2.05423300
e – orbit eccentricity	0.53080700
ω – orbit ascending node-perihelion angle (degrees)	333.019231
Ω – longitude of orbit ascending node (degrees)	303.816911
i – orbit inclination to the ecliptic plane (degrees)	4.348205

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	164.723820	2.10008830	0.53523431	328.946255	307.864028	4.528116	0.97604898	3.043385
01/21/1858	1.032379	2.09759388	0.53794702	330.052008	307.166392	4.575529	0.96919950	3.037965
01/29/1887	194.792330	2.10045998	0.53443135	331.194790	306.639906	4.603607	0.97790832	3.044193
02/07/1916	19.937644	2.10453914	0.53269390	331.604844	306.266527	4.605107	0.98346397	3.053065
02/14/1945	205.726206	2.10020838	0.53653524	332.214350	305.653627	4.639293	0.97337257	3.043646
02/22/1974	348.945748	2.12721122	0.54285503	334.117656	304.855318	4.614741	0.97244391	3.102534
03/02/2003	112.320148	2.12807551	0.54115892	334.470088	304.525766	4.617845	0.97644846	3.104425
03/09/2032	4.935072	2.05435585	0.53087079	333.034837	303.776313	4.348378	0.96375834	2.944517
03/17/2061	316.517002	2.05065290	0.53478379	333.677780	303.184191	4.380859	0.95399698	2.936560
03/25/2090	277.210447	2.04835616	0.53535215	333.923854	302.782897	4.393556	0.95176428	2.931628
04/03/2119	240.950528	2.04739807	0.53533665	334.153566	302.412715	4.400965	0.95135085	2.929571
04/10/2148	202.956568	2.05008605	0.53215937	334.373381	302.200784	4.392651	0.95911355	2.935342
04/18/2177	158.268356	2.05213389	0.52934251	334.757155	301.910139	4.395041	0.96585219	2.939742

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