Asteroid General Data

2016 WW₉

General information

Preliminary designation	2016 WW₉
Group	Apollo
Absolute magnitude	18.90
Approximate diameter (m)	440
Approximate mass (kg)	1.57·10¹¹
Number of observations	121
Arc length (days)	2023

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	6.860524
a – orbit major semiaxis (astronomical units)	2.83463300
e – orbit eccentricity	0.68993600
ω – orbit ascending node-perihelion angle (degrees)	218.541244
Ω – longitude of orbit ascending node (degrees)	295.134695
i – orbit inclination to the ecliptic plane (degrees)	21.486639

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	336.168422	2.86156804	0.64333670	208.887785	305.808008	27.017199	1.02061629	4.840684
01/21/1858	354.224368	2.83428547	0.66410048	210.841413	303.350531	25.713055	0.95203513	4.771622
01/29/1887	21.759661	2.83604578	0.67168032	212.345845	301.678389	24.612692	0.93112964	4.776068
02/07/1916	41.182876	2.84936571	0.67283428	213.891708	300.137633	23.519034	0.93221478	4.809754
02/14/1945	38.530087	2.86487911	0.67125625	214.910833	299.339766	22.993157	0.94181110	4.849088
02/22/1974	29.096278	2.86332993	0.67322563	215.596639	298.697752	22.768317	0.93566284	4.845155
03/02/2003	35.621567	2.84670456	0.68144294	216.794545	297.291344	22.330381	0.90683785	4.803018
03/09/2032	59.370958	2.83916309	0.68959478	218.646395	295.060941	21.467076	0.88129106	4.783944
03/17/2061	83.393488	2.84864626	0.69552769	222.924420	290.241502	19.337052	0.86733391	4.807933
03/25/2090	90.622441	2.86783621	0.69213866	224.576296	288.720661	18.681085	0.88289590	4.856598
04/03/2119	81.443959	2.86414360	0.69507785	225.589269	287.781898	18.463988	0.87334082	4.847221
04/10/2148	80.362571	2.84797578	0.70190252	227.601538	285.679297	18.083981	0.84897440	4.806236
04/18/2177	97.442274	2.83932351	0.70749192	230.497153	282.298138	17.354139	0.83052506	4.784350

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