(5403) Takachiho Main-belt Asteroid
Discovered on 20 February 1990 by Kushida, Y., Inoue, M. at Yatsugatake.
Where Takachiho is today
Seen from above the solar system on 2026-10-14: Takachiho is 2.84 au from the Sun and 3.48 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5403 |
| Provisional designation | 1990 DM |
| Orbit class | Main-belt Asteroid |
| Diameter | 15.3 km (#3,076 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.184 |
| Rotation period | 3.96 hours |
| Absolute magnitude (H) | 11.92 |
| Orbital period | 5.26 years |
| Semi-major axis | 3.02 au |
| Perihelion – aphelion | 2.83 – 3.22 au |
| Eccentricity | 0.0656 |
| Inclination | 10.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.84 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.