Asteroid General Data

2007 WB (509520)

General information

Preliminary designation	2007 WB
Number	509520
Group	Apollo
Absolute magnitude	18.88
Approximate diameter (m)	440
Approximate mass (kg)	1.61·10¹¹
Number of observations	217
Arc length (days)	6534

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	311.149380
a – orbit major semiaxis (astronomical units)	1.66924400
e – orbit eccentricity	0.70963300
ω – orbit ascending node-perihelion angle (degrees)	203.905371
Ω – longitude of orbit ascending node (degrees)	82.967991
i – orbit inclination to the ecliptic plane (degrees)	13.707131

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	80.553659	1.66920542	0.70841152	201.558519	84.662087	14.116439	0.48672107	2.156579
01/21/1858	245.798004	1.66865440	0.70849896	201.849045	84.434749	14.066302	0.48641450	2.155511
01/29/1887	48.573462	1.66993182	0.70866164	202.282231	84.153233	13.990689	0.48651520	2.157986
02/07/1916	209.598642	1.66997782	0.70884215	202.582057	83.954847	13.938311	0.48622716	2.158076
02/14/1945	11.685243	1.66912062	0.70900706	202.931900	83.703325	13.876352	0.48570232	2.156414
02/22/1974	176.905074	1.66915216	0.70932386	203.226332	83.473390	13.832673	0.48518271	2.156475
03/02/2003	340.631341	1.66920607	0.70952342	203.625716	83.189855	13.756339	0.48486527	2.156580
03/09/2032	145.186237	1.66945909	0.70971977	203.925059	82.943232	13.706591	0.48461096	2.157070
03/17/2061	306.948798	1.66956033	0.71054231	204.246132	82.712975	13.654843	0.48326708	2.157266
03/25/2090	107.581313	1.66994734	0.71015709	204.582904	82.456199	13.587262	0.48402239	2.158017
04/03/2119	270.580844	1.66877054	0.71018378	204.920745	82.201383	13.537637	0.48363678	2.155736
04/10/2148	74.171762	1.66946383	0.71021900	205.342298	81.887103	13.457922	0.48377890	2.157079
04/18/2177	237.867707	1.66933645	0.71034742	205.652314	81.652334	13.400537	0.48352761	2.156833

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