Asteroid General Data

1989 WM (4503 Cleobulus)

General information

Preliminary designation	1989 WM
Name	Cleobulus
Number	4503
Group	Amor
Absolute magnitude	15.82
Approximate diameter (m)	1 800
Approximate mass (kg)	1.11·10¹³
Number of observations	1277
Arc length (days)	16486

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	82.992223
a – orbit major semiaxis (astronomical units)	2.70400900
e – orbit eccentricity	0.52471700
ω – orbit ascending node-perihelion angle (degrees)	76.257416
Ω – longitude of orbit ascending node (degrees)	45.939102
i – orbit inclination to the ecliptic plane (degrees)	2.512547

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	322.845575	2.67926181	0.53739861	63.108820	56.996117	2.713457	1.23943022	4.385543
01/21/1858	168.139767	2.68419928	0.53514887	64.279989	55.885303	2.686600	1.24775307	4.397671
01/29/1887	2.879594	2.70689071	0.52305843	66.586444	54.035218	2.645770	1.29102870	4.453554
02/07/1916	184.474938	2.71836719	0.51586790	69.355823	51.739108	2.603515	1.31604882	4.481906
02/14/1945	355.373533	2.72753684	0.51232546	71.065496	50.350015	2.577011	1.33015027	4.504603
02/22/1974	163.666953	2.71589916	0.51910550	72.772526	48.998117	2.552823	1.30606096	4.475804
03/02/2003	335.527043	2.69708755	0.52764573	76.241344	46.194347	2.518992	1.27398084	4.429382
03/09/2032	165.295531	2.70398181	0.52843362	77.172920	45.145720	2.489331	1.27510692	4.446377
03/17/2061	13.080946	2.69168617	0.53032444	79.662280	43.155302	2.482236	1.26421921	4.416083
03/25/2090	223.656667	2.69313648	0.52903069	82.103191	41.223785	2.461353	1.26838464	4.419653
04/03/2119	66.798636	2.70807302	0.52166898	85.248324	38.633544	2.438957	1.29535532	4.456472
04/10/2148	254.754585	2.70095870	0.52555413	85.665388	38.120385	2.434025	1.28145870	4.438922
04/18/2177	61.864642	2.71351779	0.51889731	88.883598	35.482860	2.416013	1.30548071	4.469919

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