(6310) Jankonke Inner Main-belt Asteroid
Discovered on 21 May 1990 by E. F. Helin at Palomar.
Where Jankonke is today
Seen from above the solar system on 2026-10-14: Jankonke is 1.87 au from the Sun and 2.59 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6310 |
| Provisional designation | 1990 KK |
| Orbit class | Inner Main-belt Asteroid |
| Diameter | 3.71 km (#13,438 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.388 |
| Rotation period | 3.08 hours |
| Absolute magnitude (H) | 14.27 |
| Orbital period | 2.65 years |
| Semi-major axis | 1.91 au |
| Perihelion – aphelion | 1.85 – 1.97 au |
| Eccentricity | 0.0314 |
| Inclination | 23.6° |
| Closest distance between its orbit and Earth's (MOID) | 0.873 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.