Asteroid General Data

2021 GW₄

General information

Preliminary designation	2021 GW₄
Group	Apollo
Absolute magnitude	29.43
Approximate diameter (m)	4
Approximate mass (kg)	7.55·10⁴
Number of observations	40
Arc length (days)	4

Approaches

Date	Object	r, AU	r, km
04/12/2021 12:57:36 AM	Earth	0.000175	26 253

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	82.876905
a – orbit major semiaxis (astronomical units)	1.40152272
e – orbit eccentricity	0.30313636
ω – orbit ascending node-perihelion angle (degrees)	207.048132
Ω – longitude of orbit ascending node (degrees)	22.534973
i – orbit inclination to the ecliptic plane (degrees)	5.073594

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	122.615296	1.52494357	0.35849623	10.494275	215.137976	0.840612	0.97825705	1.883134
01/21/1858	270.345666	1.52477079	0.35843435	11.529494	214.070972	0.838959	0.97824056	1.882814
01/29/1887	52.607258	1.52816095	0.35941082	18.922072	206.862080	0.750743	0.97892336	1.889097
02/07/1916	162.094605	1.53243856	0.36095095	22.403254	203.506251	0.722162	0.97930341	1.897034
02/14/1945	273.554894	1.53060363	0.36029181	22.757481	203.339334	0.727327	0.97913968	1.893628
02/22/1974	10.759751	1.53576823	0.36185682	24.530678	201.901258	0.722246	0.98004001	1.903221
03/02/2003	101.417560	1.53507109	0.36171409	24.891154	201.733211	0.727793	0.97981425	1.901925
03/09/2032	191.064803	1.40110911	0.30305749	207.074128	22.510681	5.073734	0.97649250	1.658474
03/17/2061	11.763457	1.40085030	0.30300831	207.349435	22.343701	5.066630	0.97638102	1.658014
03/25/2090	188.051050	1.40368517	0.30419267	207.842554	21.827074	5.037709	0.97669443	1.663050
04/03/2119	313.459769	1.41084630	0.30753680	208.051339	21.236221	4.964814	0.97695915	1.675792
04/10/2148	66.996800	1.41073493	0.30733906	208.276014	21.074396	4.960227	0.97716098	1.675594
04/18/2177	178.265823	1.41312880	0.30848754	208.636276	20.635024	4.917599	0.97719617	1.679861

Detailed table...

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