Asteroid General Data

2018 UD

General information

Preliminary designation	2018 UD
Group	Amor
Absolute magnitude	18.78
Approximate diameter (m)	470
Approximate mass (kg)	1.85·10¹¹
Number of observations	52
Arc length (days)	27

Approaches

No approaches found

Orbit initial data

Date of initial data	01/21/2022
M – mean anomaly (degrees)	295.059988
a – orbit major semiaxis (astronomical units)	2.74296300
e – orbit eccentricity	0.53633600
ω – orbit ascending node-perihelion angle (degrees)	262.206000
Ω – longitude of orbit ascending node (degrees)	34.308513
i – orbit inclination to the ecliptic plane (degrees)	12.085354

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	51.008769	2.69648551	0.52266626	248.348101	46.139788	12.762244	1.28712352	4.427899
01/21/1858	252.431524	2.69501081	0.52463324	251.434646	43.671579	12.567507	1.28111855	4.424268
01/29/1887	90.515321	2.69240691	0.52758928	254.349170	41.151525	12.395205	1.27192189	4.417857
02/07/1916	293.165136	2.69520241	0.52570442	254.588900	40.734532	12.378346	1.27832260	4.424739
02/14/1945	141.393022	2.68959071	0.52890989	257.116947	38.506274	12.256810	1.26703958	4.410927
02/22/1974	353.696907	2.68868915	0.53034929	259.258497	36.665850	12.177200	1.26274477	4.408710
03/02/2003	205.451812	2.69497874	0.53019409	261.061549	35.023096	12.065928	1.26611693	4.424189
03/09/2032	49.756689	2.68899514	0.53006158	261.750047	34.153882	12.094356	1.26366212	4.409462
03/17/2061	248.518567	2.69488463	0.52697997	264.973137	31.419486	12.011512	1.27473442	4.423957
03/25/2090	87.864239	2.69976150	0.52613874	268.339909	28.600406	11.950529	1.27931240	4.435971
04/03/2119	289.754945	2.68849899	0.53252684	271.191269	26.137099	11.926921	1.25680111	4.408242
04/10/2148	135.753004	2.68084351	0.53648596	273.013219	24.367900	11.920891	1.24260860	4.389427
04/18/2177	347.319010	2.69066415	0.53082283	273.746854	23.637572	11.920472	1.26239819	4.413568

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