(738) Alagasta Main-belt Asteroid
Discovered on 7 January 1913 by F. Kaiser at Heidelberg.
Where Alagasta is today
Seen from above the solar system on 2026-10-14: Alagasta is 3.11 au from the Sun and 3.10 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 738 |
| Provisional designation | A913 AF |
| Orbit class | Main-belt Asteroid |
| Diameter | 62.8 km (#551 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0398 |
| Rotation period | 17.9 hours |
| Spectral type | CGSU |
| Absolute magnitude (H) | 10.01 |
| Orbital period | 5.29 years |
| Semi-major axis | 3.04 au |
| Perihelion – aphelion | 2.86 – 3.21 au |
| Eccentricity | 0.0565 |
| Inclination | 3.53° |
| Closest distance between its orbit and Earth's (MOID) | 1.87 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.