(11928) Akimotohiro Main-belt Asteroid
Discovered on 23 January 1993 by Endate, K., Watanabe, K. at Kitami.
Hiroyuki Akimoto (b. 1967) is editor-in-chief of the Japanese monthly astronomical magazine Gekkan Tenmon Guide. He has edited many books on astronomy.Naming citation (20030910/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Akimotohiro is today
Seen from above the solar system on 2026-10-14: Akimotohiro is 2.52 au from the Sun and 2.08 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11928 |
| Provisional designation | 1993 BT2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.04 km (#6,539 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.177 |
| Rotation period | 2.96 hours |
| Absolute magnitude (H) | 13.47 |
| Orbital period | 4.27 years |
| Semi-major axis | 2.63 au |
| Perihelion – aphelion | 2.08 – 3.19 au |
| Eccentricity | 0.211 |
| Inclination | 5.44° |
| Closest distance between its orbit and Earth's (MOID) | 1.09 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Hiroyuki
- (7186) Tomioka
- (9642) Takatahiro
- (11072) Hiraoka
- (19392) Oyamada
- (27816) Naitohiroyuki
- (30925) Todahiroyuki
- (31402) Negishi
- (46649) Tsudahiroyuki
All asteroids named after someone called Hiroyuki
Also discovered on 23 January 1993
- (6026) Xenophanes
- (6871) Verlaine
- (7430) Kogure
- (9615) Hemerijckx
- (11929) Uchino
- (13097) Lamoraal
- (17520) Hisayukiyoshio
- (23524) Yuichitsuda
- (27789) Astrakhan
- (58221) Boston