Asteroid General Data

2011 UG₂₁

General information

Preliminary designation	2011 UG₂₁
Group	Aten
Absolute magnitude	19.37
Approximate diameter (m)	360
Approximate mass (kg)	8.20·10¹⁰
Number of observations	93
Arc length (days)	4000

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	44.023027
a – orbit major semiaxis (astronomical units)	0.93691700
e – orbit eccentricity	0.54704700
ω – orbit ascending node-perihelion angle (degrees)	82.470265
Ω – longitude of orbit ascending node (degrees)	86.547087
i – orbit inclination to the ecliptic plane (degrees)	14.568267

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	37.679394	0.93665074	0.54694331	81.080880	88.148214	14.555423	0.42435588	0.906499
01/21/1858	41.926258	0.93694510	0.54699821	81.358026	87.896597	14.560505	0.42443780	0.906926
01/29/1887	40.949667	0.93694301	0.54704556	81.531851	87.664443	14.562413	0.42439250	0.906923
02/07/1916	42.306713	0.93635923	0.54705553	81.682325	87.433088	14.560565	0.42411873	0.906075
02/14/1945	51.761199	0.93653677	0.54705265	81.870852	87.208230	14.559568	0.42420185	0.906333
02/22/1974	58.000743	0.93658978	0.54703979	82.083894	86.970106	14.566207	0.42423790	0.906410
03/02/2003	59.112924	0.93705288	0.54704161	82.325635	86.728340	14.565613	0.42444596	0.907082
03/09/2032	57.576179	0.93668014	0.54695379	82.468543	86.512870	14.568762	0.42435939	0.906541
03/17/2061	64.740367	0.93637049	0.54692372	82.651359	86.270130	14.566893	0.42424725	0.906092
03/25/2090	72.837010	0.93662803	0.54698695	82.837216	86.046504	14.565452	0.42430472	0.906466
04/03/2119	76.726826	0.93690069	0.54700210	83.114939	85.791247	14.571920	0.42441404	0.906861
04/10/2148	75.756781	0.93701050	0.54706081	83.293901	85.561132	14.574336	0.42440878	0.907021
04/18/2177	77.858590	0.93658352	0.54710533	83.439945	85.325693	14.570780	0.42417369	0.906401

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