Asteroid General Data

2021 WD

General information

Preliminary designation	2021 WD
Group	Apollo
Absolute magnitude	21.28
Approximate diameter (m)	150
Approximate mass (kg)	5.86·10⁹
Number of observations	65
Arc length (days)	43

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	120.029128
a – orbit major semiaxis (astronomical units)	2.39591000
e – orbit eccentricity	0.65708500
ω – orbit ascending node-perihelion angle (degrees)	47.511717
Ω – longitude of orbit ascending node (degrees)	311.076606
i – orbit inclination to the ecliptic plane (degrees)	9.097244

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	356.012817	2.39603610	0.64892775	37.254745	319.714464	10.342836	0.84118178	3.708862
01/21/1858	296.799474	2.38926218	0.65495571	38.683230	318.655080	10.165777	0.82440127	3.693145
01/29/1887	244.337674	2.39827174	0.65057778	39.901047	317.548850	9.959645	0.83800943	3.714054
02/07/1916	185.059229	2.39097099	0.65678512	41.357474	316.384879	9.807818	0.82061681	3.697107
02/14/1945	127.533893	2.40056480	0.65396438	42.058111	315.721281	9.701886	0.83068092	3.719382
02/22/1974	59.610419	2.39349053	0.65824653	44.357621	313.791578	9.442095	0.81798369	3.702953
03/02/2003	0.685122	2.39643504	0.65539717	44.940619	313.152951	9.368990	0.82581830	3.709788
03/09/2032	292.805253	2.39150060	0.65908107	47.664682	310.932683	9.085633	0.81530782	3.698336
03/17/2061	241.167309	2.38888764	0.65554365	48.405890	310.196885	9.022908	0.82286751	3.692276
03/25/2090	185.664547	2.38578040	0.65942602	51.103417	307.960364	8.775408	0.81253473	3.685075
04/03/2119	133.836768	2.39408661	0.65624446	52.052693	307.008863	8.687322	0.82298054	3.704336
04/10/2148	72.426122	2.38871098	0.66084444	54.832538	304.639398	8.461932	0.81014460	3.691867
04/18/2177	17.889973	2.39487611	0.65678043	55.954488	303.515961	8.369855	0.82196834	3.706169

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