(5784) Yoron Main-belt Asteroid

Discovered on 9 February 1991 by Natori, A., Urata, T. at Yakiimo.

Yoron island is located in the north of Okinawa prefecture. The name was suggested by Y. Ueno, who lives on this island (latitude +27°) and succeeded in observing α Crucis (declination -63°) from there in Mar. 2008 using the atmospheric refraction.Naming citation (20090607/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Yoron is today

Seen from above the solar system on 2026-10-14: Yoron is 2.76 au from the Sun and 3.15 au from Earth. Computed from JPL's orbital elements.

Facts

Number	5784
Provisional designation	1991 CY
Orbit class	Main-belt Asteroid
Diameter	6.80 km (#7,879 largest of 17,440 named asteroids with a measured size)
Albedo	0.318
Rotation period	11.0 hours
Absolute magnitude (H)	13.28
Orbital period	4.29 years
Semi-major axis	2.64 au
Perihelion – aphelion	2.33 – 2.96 au
Eccentricity	0.120
Inclination	9.44°
Closest distance between its orbit and Earth's (MOID)	1.35 au

Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.

Also discovered on 9 February 1991

More named asteroids discovered by Natori, A., Urata, T.

All 20

← (5783) Kumagaya · (5785) Fulton →