Asteroid General Data

1990 UO (412977)

General information

Preliminary designation	1990 UO
Number	412977
Group	Apollo
Absolute magnitude	19.57
Approximate diameter (m)	320
Approximate mass (kg)	6.22·10¹⁰
Number of observations	203
Arc length (days)	12804

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	100.065982
a – orbit major semiaxis (astronomical units)	1.25709400
e – orbit eccentricity	0.77280600
ω – orbit ascending node-perihelion angle (degrees)	333.535437
Ω – longitude of orbit ascending node (degrees)	205.566420
i – orbit inclination to the ecliptic plane (degrees)	31.591192

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	7.912628	1.25703308	0.77636636	332.323242	206.681632	30.919719	0.28111488	1.409356
01/21/1858	221.008726	1.25702022	0.77580318	332.525696	206.500293	31.034941	0.28181994	1.409334
01/29/1887	74.092202	1.25694590	0.77539446	332.691748	206.342504	31.124861	0.28231701	1.409209
02/07/1916	287.067141	1.25701511	0.77494004	332.889502	206.162189	31.236485	0.28290377	1.409326
02/14/1945	140.142417	1.25703710	0.77434634	333.044489	206.014354	31.322980	0.28365502	1.409363
02/22/1974	353.146231	1.25704017	0.77383757	333.198643	205.868676	31.406459	0.28429527	1.409368
03/02/2003	205.973175	1.25702122	0.77325350	333.395984	205.692302	31.515405	0.28502516	1.409336
03/09/2032	58.683242	1.25708173	0.77266970	333.553360	205.554638	31.595429	0.28577276	1.409438
03/17/2061	271.218902	1.25707668	0.77211176	333.740983	205.382619	31.706099	0.28647300	1.409429
03/25/2090	123.573022	1.25709435	0.77167026	333.905103	205.237481	31.794351	0.28703203	1.409459
04/03/2119	335.545858	1.25721394	0.77103431	334.093183	205.070907	31.895883	0.28785886	1.409660
04/10/2148	187.409555	1.25717785	0.77070374	334.255749	204.923861	31.983912	0.28826618	1.409599
04/18/2177	39.655297	1.25699885	0.77034182	334.438824	204.761223	32.090066	0.28868006	1.409298

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