Asteroid General Data

2021 WS₂

General information

Preliminary designation	2021 WS₂
Group	Apollo
Absolute magnitude	22.68
Approximate diameter (m)	77
Approximate mass (kg)	8.47·10⁸
Number of observations	28
Arc length (days)	174

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	261.009783
a – orbit major semiaxis (astronomical units)	1.90903800
e – orbit eccentricity	0.49581900
ω – orbit ascending node-perihelion angle (degrees)	81.369005
Ω – longitude of orbit ascending node (degrees)	63.400322
i – orbit inclination to the ecliptic plane (degrees)	31.589389

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	332.674236	1.91160245	0.49403504	79.706576	65.762390	31.775268	0.96720385	2.642999
01/21/1858	325.879524	1.91165006	0.49446487	79.899039	65.408558	31.751557	0.96640626	2.643098
01/29/1887	318.962799	1.91163603	0.49486051	80.163165	65.084810	31.730242	0.96564285	2.643069
02/07/1916	312.227630	1.91192912	0.49481610	80.483150	64.665085	31.706899	0.96587580	2.643676
02/14/1945	305.543255	1.91152553	0.49531106	80.705424	64.354988	31.689242	0.96472579	2.642839
02/22/1974	298.827462	1.91101958	0.49600173	80.962883	63.994473	31.662740	0.96315056	2.641790
03/02/2003	292.305125	1.91106278	0.49616545	81.145825	63.675997	31.647932	0.96285945	2.641880
03/09/2032	285.769598	1.91117808	0.49641117	81.344087	63.363343	31.630615	0.96244793	2.642119
03/17/2061	279.088398	1.91143590	0.49623318	81.644961	62.965103	31.616169	0.96291799	2.642653
03/25/2090	272.523714	1.91154539	0.49613857	81.860232	62.652718	31.600092	0.96315399	2.642881
04/03/2119	266.020796	1.91094105	0.49693288	82.144637	62.259792	31.575920	0.96133162	2.641627
04/10/2148	259.672296	1.91135003	0.49698224	82.398431	61.930681	31.557918	0.96144302	2.642475
04/18/2177	253.593300	1.91182798	0.49696600	82.606820	61.569296	31.538289	0.96171448	2.643467

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