On December NUMBER@1 , NUMBER@2 the Huygens probe separated from the orbiter at approximately NUMBER@3 ORGANIZATION@1 ; it reached Saturn 's moon Titan on January NUMBER@4 , NUMBER@5 where it made an atmospheric descent to the surface and relayed scientific information .

On December NUMBER@1 NUMBER@2 the Huygens probe separated from the orbiter at more or less NUMBER@3 UTC .
