(23741) Takaaki Main-belt Asteroid
Discovered on 22 May 1998 by LONEOS at Anderson Mesa.
Takaaki Noguchi (b. 1961), a professor at Ibaraki University, Bunkyo, Japan, has studied a wide variety of meteorites and interplanetary dust particles. He found monophase iron particles, the first direct evidence of space weathering, in samples from asteroid Itokawa.Naming citation (20120506/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Takaaki is today
Seen from above the solar system on 2026-10-14: Takaaki is 2.74 au from the Sun and 3.27 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 23741 |
| Provisional designation | 1998 KB4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.21 km (#8,620 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0310 |
| Absolute magnitude (H) | 15.04 |
| Orbital period | 3.72 years |
| Semi-major axis | 2.40 au |
| Perihelion – aphelion | 1.99 – 2.82 au |
| Eccentricity | 0.172 |
| Inclination | 2.78° |
| Closest distance between its orbit and Earth's (MOID) | 0.980 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 22 May 1998
- (9466) Shishir
- (11187) Richoliver
- (11730) Yanhua
- (11735) Isabellecohen
- (12104) Chesley
- (12106) Menghuan
- (12107) Reneebarcia
- (12108) Jamesaustin
- (12529) Reighard
- (12530) Richardson
- (12860) Turney
- (12861) Wacker