(46727) Hidekimatsuyama Main-belt Asteroid
Discovered on 30 September 1997 by T. Okuni at Nanyo.
Hideki Matsuyama (b. 1970) became a member of the Nanyo Astronomical Lovers Club in 1990 and actively popularizes astronomy.Naming citation (20121228/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hidekimatsuyama is today
Seen from above the solar system on 2026-10-14: Hidekimatsuyama is 2.70 au from the Sun and 2.87 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 46727 |
| Provisional designation | 1997 SN25 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.80 km (#11,016 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.402 |
| Absolute magnitude (H) | 13.69 |
| Orbital period | 5.00 years |
| Semi-major axis | 2.93 au |
| Perihelion – aphelion | 2.63 – 3.22 au |
| Eccentricity | 0.102 |
| Inclination | 0.983° |
| Closest distance between its orbit and Earth's (MOID) | 1.62 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Hideki
All asteroids named after someone called Hideki
Also discovered on 30 September 1997
- (9990) Niiyaeki
- (10894) Nakai
- (13691) Akie
- (15387) Hanazukayama
- (15906) Yoshikaneda
- (29458) Pearson
- (37786) Tokikonaruko
- (39795) Marson