(28004) Terakawa Main-belt Asteroid
Discovered on 2 December 1997 by M. Akiyama at Susono.
Expert mirror polisher Syoji Terakawa (b. 1951) has had an interest in telescope making and astronomy since he was 14 years old.Naming citation (20020427/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Terakawa is today
Seen from above the solar system on 2026-10-14: Terakawa is 2.60 au from the Sun and 3.49 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 28004 |
| Provisional designation | 1997 XA |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.99 km (#8,947 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0940 |
| Absolute magnitude (H) | 14.61 |
| Orbital period | 4.64 years |
| Semi-major axis | 2.78 au |
| Perihelion – aphelion | 2.23 – 3.33 au |
| Eccentricity | 0.198 |
| Inclination | 8.99° |
| Closest distance between its orbit and Earth's (MOID) | 1.25 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.