Asteroid General Data

2005 GO₂₁ (308242)

General information

Preliminary designation	2005 GO₂₁
Number	308242
Group	Aten
Absolute magnitude	16.18
Approximate diameter (m)	1 500
Approximate mass (kg)	6.73·10¹²
Number of observations	549
Arc length (days)	7457

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	139.585128
a – orbit major semiaxis (astronomical units)	0.75324900
e – orbit eccentricity	0.33988100
ω – orbit ascending node-perihelion angle (degrees)	156.643998
Ω – longitude of orbit ascending node (degrees)	272.668493
i – orbit inclination to the ecliptic plane (degrees)	24.927249

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	346.277498	0.75322004	0.34211411	155.840136	273.394307	24.831080	0.49553284	0.653707
01/21/1858	133.772405	0.75305727	0.34212861	155.964462	273.289827	24.841865	0.49541484	0.653496
01/29/1887	278.112367	0.75319347	0.34159327	156.063654	273.182070	24.855952	0.49590765	0.653673
02/07/1916	59.314020	0.75320623	0.34107776	156.218628	273.069265	24.877591	0.49630434	0.653689
02/14/1945	204.029905	0.75316088	0.34083939	156.328384	272.965003	24.888583	0.49645399	0.653630
02/22/1974	351.212507	0.75305181	0.34079518	156.437531	272.864195	24.898365	0.49641538	0.653488
03/02/2003	133.847847	0.75322414	0.34019384	156.544485	272.750497	24.915847	0.49698192	0.653713
03/09/2032	274.819861	0.75316806	0.33985805	156.725024	272.640557	24.937849	0.49719783	0.653640
03/17/2061	60.714208	0.75306290	0.33978903	156.818787	272.541729	24.945930	0.49718039	0.653503
03/25/2090	207.168950	0.75308395	0.33951617	156.911976	272.433787	24.956871	0.49739977	0.653530
04/03/2119	348.812653	0.75325618	0.33889889	157.034983	272.318695	24.974694	0.49797850	0.653754
04/10/2148	129.286879	0.75322203	0.33848585	157.197411	272.209776	24.993485	0.49826703	0.653710
04/18/2177	274.671992	0.75309502	0.33842400	157.306820	272.113966	25.003426	0.49822960	0.653545

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