(5402) Kejosmith Main-belt Asteroid
Discovered on 27 October 1989 by E. F. Helin at Palomar.
Where Kejosmith is today
Seen from above the solar system on 2026-10-14: Kejosmith is 2.18 au from the Sun and 2.97 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5402 |
| Provisional designation | 1989 UK2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.19 km (#12,287 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.400 |
| Rotation period | 2.70 hours |
| Absolute magnitude (H) | 13.63 |
| Orbital period | 2.93 years |
| Semi-major axis | 2.05 au |
| Perihelion – aphelion | 1.77 – 2.33 au |
| Eccentricity | 0.137 |
| Inclination | 16.7° |
| Closest distance between its orbit and Earth's (MOID) | 0.802 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.