From Discovery Wiki

Location 5E, Roussillon
Technical information
Docking No
Terrain Ice
Diameter 3,104 km
Mass 1.12 x 10e24 kg
Temperature -220°C to -70°C
Escape velocity 1.97 km/sec

Tarascon is a small moon on the far orbit of Planet Argeles. The Tet Asteroid Field is concentrated around the moon, and the field might have formed after a cosmic impact that happened in the past, possibly a collision between two Argeles moons of which only one survived.