Final resting place of unwanted leftover Christmas fruitcakes is also a possibility
Consider the similarities between said yuletide "treat" and the discovered lunar mass...
1) Anomolous object and unwanted fruitcakes are both incredibly dense...check!
2) Nobody can really say where Christmas fruitcakes go once they enter the re-gifting stream. (Think of it, have you ever seen anyone actually EAT a fruitcake?)...check!
3) Both sub-lunar mass and mass of homeless fruitcakes serve no earthly purpose...check!
Biting the hand that feeds IT
