Asteroid General Data

2018 OB

General information

Preliminary designation	2018 OB
Group	Amor
Absolute magnitude	24.13
Approximate diameter (m)	40
Approximate mass (kg)	1.14·10⁸
Number of observations	87
Arc length (days)	91

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	3.318180
a – orbit major semiaxis (astronomical units)	2.54994500
e – orbit eccentricity	0.59209400
ω – orbit ascending node-perihelion angle (degrees)	99.906458
Ω – longitude of orbit ascending node (degrees)	178.001847
i – orbit inclination to the ecliptic plane (degrees)	0.749344

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	89.604810	2.44920550	0.64496996	72.909000	202.090309	0.709775	0.86954153	3.832997
01/21/1858	296.671984	2.44992126	0.64294349	73.469530	201.420235	0.711551	0.87476032	3.834677
01/29/1887	124.727232	2.47257664	0.63035434	77.621940	197.605789	0.709051	0.91397723	3.887991
02/07/1916	269.544929	2.49645290	0.61692865	85.434338	190.858258	0.709644	0.95631957	3.944443
02/14/1945	2.541486	2.53596105	0.59697439	96.655202	181.292250	0.727368	1.02205726	4.038448
02/22/1974	55.797132	2.55434932	0.58868790	99.177878	179.015620	0.737347	1.05063480	4.082452
03/02/2003	89.280358	2.55778426	0.58610982	99.452151	178.501025	0.741892	1.05864179	4.090689
03/09/2032	127.885755	2.54970466	0.59255386	99.820076	178.061714	0.749448	1.03886731	4.071322
03/17/2061	195.699868	2.52063663	0.61322649	103.593584	175.147545	0.770391	0.97491548	4.001898
03/25/2090	301.960499	2.49753121	0.62468418	113.878369	166.762468	0.832509	0.93736298	3.946999
04/03/2119	74.588382	2.47910491	0.63307816	121.884360	160.112518	0.908782	0.90963775	3.903399
04/10/2148	262.802717	2.44469263	0.65134097	125.565071	157.118493	0.953681	0.85236416	3.822408
04/18/2177	120.189081	2.44034814	0.65430801	125.635680	156.978121	0.958917	0.84360880	3.812223

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