Asteroid General Data

2018 UD₃

General information

Preliminary designation	2018 UD₃
Group	Apollo
Absolute magnitude	26.17
Approximate diameter (m)	15
Approximate mass (kg)	6.82·10⁶
Number of observations	57
Arc length (days)	17

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	111.148313
a – orbit major semiaxis (astronomical units)	1.77358400
e – orbit eccentricity	0.45635100
ω – orbit ascending node-perihelion angle (degrees)	211.085465
Ω – longitude of orbit ascending node (degrees)	214.286622
i – orbit inclination to the ecliptic plane (degrees)	2.452980

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	117.587217	1.76483474	0.45280973	206.709565	217.826716	2.812721	0.96570041	2.344535
01/21/1858	251.993471	1.76520426	0.45287506	207.176233	217.585786	2.812351	0.96578727	2.345271
01/29/1887	28.397810	1.76938584	0.45412955	207.481452	217.118340	2.755910	0.96585545	2.353610
02/07/1916	145.888641	1.76971194	0.45456680	207.893109	216.884819	2.758681	0.96525965	2.354260
02/14/1945	260.611929	1.77116269	0.45523660	208.713473	216.183570	2.741719	0.96486462	2.357156
02/22/1974	10.707268	1.77257896	0.45555789	209.611426	215.402190	2.723394	0.96506663	2.359984
03/02/2003	119.640692	1.77191929	0.45567325	209.986104	215.159663	2.726007	0.96450307	2.358666
03/09/2032	225.575323	1.77417051	0.45622248	211.160254	214.238953	2.453661	0.96475404	2.363163
03/17/2061	331.131048	1.77229002	0.45554923	211.644940	213.932689	2.455982	0.96492467	2.359407
03/25/2090	78.518860	1.77253862	0.45558651	212.379327	213.183057	2.434503	0.96499393	2.359903
04/03/2119	186.221198	1.77241948	0.45457053	212.918320	212.865057	2.433525	0.96672982	2.359665
04/10/2148	290.337372	1.77478029	0.45525829	213.500149	212.225863	2.394488	0.96679685	2.364381
04/18/2177	25.036891	1.77645837	0.45493136	214.714667	211.198607	2.371038	0.96829175	2.367735

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