Dactyl is a moon of Ida, a asteroid it is very small compared to Ida.

Adjective(s) Unknown
Orbital properties
Aphelion/apoapsis Unknown
Perihelion/periapsis Unknown
Semi-major axis Unknown
Orbital eccentricity Unknown
Orbital period Unknown
Average orbital speed Unknown
Physical properties
Radius 80 m
Mass Unknown
Mean density Unknown
Escape velocity Unknown
Rotation period Unknown
Average surface temperature Unknown
Apparent magnitude Unknown
Moons 0