Asteroid General Data

2011 UY₂₅₅

General information

Preliminary designation	2011 UY₂₅₅
Group	Apollo
Absolute magnitude	22.96
Approximate diameter (m)	68
Approximate mass (kg)	5.75·10⁸
Number of observations	76
Arc length (days)	3990

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	135.357633
a – orbit major semiaxis (astronomical units)	1.34953900
e – orbit eccentricity	0.31898300
ω – orbit ascending node-perihelion angle (degrees)	276.156894
Ω – longitude of orbit ascending node (degrees)	192.250886
i – orbit inclination to the ecliptic plane (degrees)	8.041334

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	113.374942	1.34900893	0.31912705	273.755775	194.176499	8.000466	0.91850369	1.566834
01/21/1858	298.936829	1.34994260	0.31941807	274.115702	193.931283	8.011165	0.91874654	1.568460
01/29/1887	120.784741	1.34928626	0.31912268	274.467647	193.599694	8.013497	0.91869841	1.567317
02/07/1916	305.663027	1.34986160	0.31915746	274.801751	193.376419	8.018860	0.91904321	1.568319
02/14/1945	126.494619	1.34975225	0.31918142	275.180847	193.016442	8.027225	0.91893641	1.568129
02/22/1974	310.147614	1.34939804	0.31899222	275.533543	192.793183	8.029897	0.91895056	1.567511
03/02/2003	131.076405	1.35004907	0.31913088	275.850880	192.489411	8.045168	0.91920672	1.568646
03/09/2032	312.652215	1.34949006	0.31914876	276.199772	192.218098	8.041580	0.91880198	1.567672
03/17/2061	135.712901	1.35030554	0.31912431	276.574491	191.955132	8.056104	0.91939022	1.569093
03/25/2090	315.196040	1.35008673	0.31912331	276.835732	191.665835	8.058858	0.91924258	1.568712
04/03/2119	139.200150	1.34976122	0.31886937	277.229018	191.421164	8.060320	0.91936371	1.568144
04/10/2148	319.010353	1.35008952	0.31884986	277.555170	191.140954	8.077544	0.91961367	1.568716
04/18/2177	140.786121	1.34944241	0.31872398	277.957586	190.826384	8.074333	0.91934276	1.567589

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