Asteroid General Data

2012 UR₁₈

General information

Preliminary designation	2012 UR₁₈
Group	Apollo
Absolute magnitude	25.99
Approximate diameter (m)	17
Approximate mass (kg)	8.75·10⁶
Number of observations	23
Arc length (days)	6

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	221.084077
a – orbit major semiaxis (astronomical units)	1.36573400
e – orbit eccentricity	0.35037300
ω – orbit ascending node-perihelion angle (degrees)	248.477066
Ω – longitude of orbit ascending node (degrees)	205.956065
i – orbit inclination to the ecliptic plane (degrees)	7.493375

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	18.391682	1.36879362	0.35094371	245.748226	207.966611	7.578465	0.88842411	1.601429
01/21/1858	58.416739	1.36972853	0.35122367	246.004023	207.631448	7.568899	0.88864745	1.603070
01/29/1887	92.566718	1.37066666	0.35142526	246.403447	207.339589	7.574090	0.88897978	1.604717
02/07/1916	125.078268	1.36887686	0.35090100	246.818640	207.105261	7.571085	0.88853660	1.601575
02/14/1945	182.604729	1.36533550	0.35006134	247.434413	206.816800	7.530921	0.88738433	1.595364
02/22/1974	251.042593	1.36602754	0.35024172	247.793798	206.581771	7.530946	0.88758770	1.596577
03/02/2003	314.091133	1.36620718	0.35028757	248.133830	206.243408	7.534102	0.88764179	1.596892
03/09/2032	16.458147	1.36531766	0.35050772	248.533085	205.924200	7.493402	0.88676328	1.595332
03/17/2061	84.225532	1.36557839	0.35043691	248.851900	205.708441	7.493674	0.88702932	1.595789
03/25/2090	147.214959	1.36658765	0.35070458	249.166376	205.350300	7.496705	0.88731910	1.597559
04/03/2119	199.746853	1.36836172	0.35172942	249.536823	204.936027	7.433817	0.88706865	1.600671
04/10/2148	238.390190	1.36965322	0.35226741	249.756555	204.560446	7.411939	0.88716903	1.602937
04/18/2177	271.703565	1.37060859	0.35246528	250.189417	204.262102	7.417028	0.88751665	1.604615

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