(1400) Tirela Main-belt Asteroid
Discovered on 17 November 1936 by L. Boyer at Algiers.
Where Tirela is today
Seen from above the solar system on 2026-10-14: Tirela is 3.86 au from the Sun and 4.53 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1400 |
| Provisional designation | 1936 WA |
| Orbit class | Main-belt Asteroid |
| Diameter | 15.7 km (#2,959 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.216 |
| Rotation period | 15.4 hours |
| Absolute magnitude (H) | 11.43 |
| Orbital period | 5.54 years |
| Semi-major axis | 3.13 au |
| Perihelion – aphelion | 2.39 – 3.87 au |
| Eccentricity | 0.235 |
| Inclination | 15.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.43 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.