(308635) 2005 YU55

Key facts

Discovered by

R. S. McMillan , Steward Observatory , Kitt Peak ( 691 )

Discovery date

28 December 2005

Minor planet category

Apollo NEO PHA

Observation arc

2,183 days (5.98 yr)

Aphelion

1.65562913 AU (247.678593 Gm ) ( Q )

Perihelion

0.659003712 AU (98.5855521 Gm) ( q )

Semi major axis

1.15731642 AU (173.132072 Gm) ( a )

Eccentricity

0.430576028 ( e )

Orbital period sidereal

1.25 Jyr (454.75 d )

Mean anomaly

175.227687 ° ( M )

Mean motion

0° 47 29.892 / day ( n )

Inclination

0.340553512° ( i )