Asteroid General Data

2021 UB₂

General information

Preliminary designation	2021 UB₂
Group	Apollo
Absolute magnitude	27.29
Approximate diameter (m)	9
Approximate mass (kg)	1.45·10⁶
Number of observations	49
Arc length (days)	1

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	16.379615
a – orbit major semiaxis (astronomical units)	1.77064500
e – orbit eccentricity	0.46122400
ω – orbit ascending node-perihelion angle (degrees)	31.503669
Ω – longitude of orbit ascending node (degrees)	33.565058
i – orbit inclination to the ecliptic plane (degrees)	20.959405

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	41.155493	1.77547410	0.46017508	28.717193	35.025572	21.291855	0.95844516	2.365768
01/21/1858	137.682011	1.77536971	0.45971377	29.066178	34.793226	21.242453	0.95920780	2.365559
01/29/1887	257.357256	1.76816747	0.45821400	29.606695	34.579340	21.221815	0.95796838	2.351179
02/07/1916	20.425394	1.76847218	0.45803281	29.989728	34.336899	21.163613	0.95845390	2.351787
02/14/1945	142.428486	1.76803966	0.45832483	30.329005	34.143202	21.125351	0.95770319	2.350924
02/22/1974	259.527371	1.77006406	0.45948155	30.679902	33.927672	21.064133	0.95675229	2.354963
03/02/2003	16.734729	1.76986112	0.45993072	31.008562	33.734683	21.028968	0.95584763	2.354558
03/09/2032	132.920214	1.77048704	0.46180463	31.558812	33.537831	20.954025	0.95286793	2.355807
03/17/2061	247.612102	1.76930830	0.46170495	31.862581	33.332386	20.923230	0.95240990	2.353455
03/25/2090	6.191468	1.76904927	0.46268920	32.118129	33.143744	20.895629	0.95052928	2.352938
04/03/2119	112.865286	1.77336608	0.46373876	32.352382	32.908881	20.834045	0.95098750	2.361556
04/10/2148	218.740947	1.77243642	0.46401708	32.643683	32.697934	20.803180	0.94999566	2.359699
04/18/2177	323.312953	1.77329991	0.46402107	32.962750	32.448089	20.751428	0.95045139	2.361424

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