Did they ever establish what the sphere was?
Episode 17 "Disordered"
Not really a spoiler but...
Still traumatized by the training exercise that went wrong in the last episode, the team attempts to work through their feelings with Black Canary. Meanwhile, Superboy's pet Sphere comes to the attention of the people who previously possessed it called the Forever People. They identify that Conner actually saved the New Genisphere from the Bialyans and welcome him as a friend. Superboy and the Forever People end up stumbling upon Intergang who are using technology from Apokolips to rob an underground gold vault. Superboy and the Forever People learn that Intergang received the Apokolips technology from Desaad. They defeat the villains and gather up the rest of the missing technology. The episode ends with the Forever People allowing Conner to keep Sphere. Batman receives a report from Superboy about the truth of Sphere and Apokolips supplying their technology to Intergang.[12]