162173 Ryugu

Key facts

Discovered by

LINEAR

Discovery site

Lincoln Lab's ETS

Discovery date

10 May 1999

Pronunciation

Japanese: [ ɾjɯːɡɯː ] ;, in English, spelling-pronunciation / r aɪ ˈ j uː ɡ uː / or approximated / ˈ j uː ɡ uː / or / ˈ r uː ɡ uː /

Named after

Ryūgū , ("Dragon palace")

Alternative designations

1999 JU 3

Minor planet category

Apollo · NEO · PHA

Observation arc

30.32 yr (11,075 d)

Aphelion

1.4159 AU

Perihelion

0.9633 AU

Semi major axis

1.1896 AU

Orbital period sidereal

1.30 yr (474 d)