(4946) Askalaphus Jupiter Trojan
Discovered on 21 January 1988 by Shoemaker, C. S., Shoemaker, E. M. at Palomar.
Where Askalaphus is today
Seen from above the solar system on 2026-10-14: Askalaphus is 5.31 au from the Sun and 6.16 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4946 |
| Provisional designation | 1988 BW1 |
| Orbit class | Jupiter Trojan |
| Diameter | 48.2 km (#784 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0690 |
| Rotation period | 22.7 hours |
| Absolute magnitude (H) | 10.18 |
| Orbital period | 12.2 years |
| Semi-major axis | 5.31 au |
| Perihelion – aphelion | 5.04 – 5.58 au |
| Eccentricity | 0.0511 |
| Inclination | 21.9° |
| Closest distance between its orbit and Earth's (MOID) | 4.04 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.