Asteroid General Data

2021 GW₁₆

General information

Preliminary designation	2021 GW₁₆
Group	Apollo
Absolute magnitude	30.07
Approximate diameter (m)	3
Approximate mass (kg)	3.12·10⁴
Number of observations	13
Arc length (days)	1

Approaches

Date	Object	r, AU	r, km
04/14/2021 09:50:24 PM	Earth	0.000197	29 469

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	333.932238
a – orbit major semiaxis (astronomical units)	1.53154795
e – orbit eccentricity	0.46087152
ω – orbit ascending node-perihelion angle (degrees)	116.009757
Ω – longitude of orbit ascending node (degrees)	24.861673
i – orbit inclination to the ecliptic plane (degrees)	6.331462

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	213.565672	1.37330565	0.43502011	102.077067	27.069454	3.558613	0.77589008	1.609353
01/21/1858	229.289803	1.37274285	0.43483927	102.483505	26.738097	3.554938	0.77582036	1.608364
01/29/1887	247.272962	1.37284522	0.43464154	102.832061	26.505072	3.552734	0.77614965	1.608544
02/07/1916	256.550903	1.37338444	0.43480811	103.245882	26.084132	3.534623	0.77622575	1.609492
02/14/1945	270.906385	1.37244912	0.43442493	103.583828	25.832444	3.529221	0.77622302	1.607848
02/22/1974	288.677675	1.37358466	0.43496663	104.011010	25.457640	3.517333	0.77612117	1.609844
03/02/2003	299.235781	1.37344393	0.43491772	104.275998	25.233880	3.515245	0.77610883	1.609596
03/09/2032	293.861634	1.53147279	0.46090937	116.026203	24.832031	6.331087	0.82560264	1.895241
03/17/2061	45.382874	1.53221826	0.46082435	116.535008	24.465696	6.331189	0.82613477	1.896625
03/25/2090	155.400565	1.53132136	0.46056478	116.872037	24.208382	6.336245	0.82604868	1.894960
04/03/2119	273.439963	1.52630120	0.45936203	117.053187	23.852219	6.339125	0.82517639	1.885650
04/10/2148	53.875349	1.52637241	0.45941058	117.413493	23.579403	6.343105	0.82514077	1.885782
04/18/2177	193.252831	1.52649958	0.45955000	117.902300	23.232249	6.345075	0.82499669	1.886017

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