(1431) Luanda Main-belt Asteroid
Discovered on 29 July 1937 by C. Jackson at Johannesburg.
Named for the capital city of Angola.Naming citation (MPC 5182), IAU / Minor Planet Center, via NASA/JPL
Where Luanda is today
Seen from above the solar system on 2026-10-14: Luanda is 2.16 au from the Sun and 1.84 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1431 |
| Provisional designation | 1937 OB |
| Orbit class | Main-belt Asteroid |
| Diameter | 13.6 km (#3,518 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.360 |
| Rotation period | 4.14 hours |
| Absolute magnitude (H) | 11.63 |
| Orbital period | 4.24 years |
| Semi-major axis | 2.62 au |
| Perihelion – aphelion | 2.14 – 3.10 au |
| Eccentricity | 0.184 |
| Inclination | 14.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.