Asteroid General Data

2009 UD₂

General information

Preliminary designation	2009 UD₂
Group	Apollo
Absolute magnitude	22.22
Approximate diameter (m)	96
Approximate mass (kg)	1.60·10⁹
Number of observations	176
Arc length (days)	1810

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	50.233365
a – orbit major semiaxis (astronomical units)	1.39255300
e – orbit eccentricity	0.32282100
ω – orbit ascending node-perihelion angle (degrees)	107.085624
Ω – longitude of orbit ascending node (degrees)	2.531918
i – orbit inclination to the ecliptic plane (degrees)	3.837444

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	236.664701	1.39065051	0.32265266	103.004430	5.993036	3.795278	0.94195342	1.639939
01/21/1858	129.386506	1.38972375	0.32202932	103.564568	5.568577	3.786188	0.94219196	1.638300
01/29/1887	24.982203	1.39105764	0.32242426	104.263328	4.933949	3.804454	0.94254691	1.640659
02/07/1916	272.474568	1.39112383	0.32245254	104.781722	4.423720	3.799177	0.94255242	1.640776
02/14/1945	159.166246	1.39107343	0.32252615	105.143422	4.173363	3.795220	0.94241587	1.640687
02/22/1974	46.884677	1.39053786	0.32233967	106.069258	3.303574	3.809889	0.94231234	1.639739
03/02/2003	292.375672	1.39188790	0.32264680	106.511026	3.010289	3.814371	0.94279972	1.642128
03/09/2032	169.614774	1.39280497	0.32280298	107.132970	2.496248	3.836472	0.94320337	1.643751
03/17/2061	42.794760	1.39261417	0.32277660	107.900974	1.923581	3.830708	0.94311091	1.643413
03/25/2090	279.070142	1.39259481	0.32289164	108.363507	1.458861	3.824788	0.94293758	1.643379
04/03/2119	157.009306	1.39208873	0.32249237	108.816671	1.007057	3.832608	0.94315073	1.642483
04/10/2148	39.227212	1.39181531	0.32221103	109.220336	0.585364	3.838551	0.94335707	1.642000
04/18/2177	284.344819	1.39100532	0.32181219	109.908800	359.993850	3.832139	0.94336285	1.640566

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