Corbital is a Black Market Goal Explosion that released as a part of Rocket League’s Season 10 on 8th March 2023.
In addition to unpainted variant, Corbital Goal Explosion is also available in the following colors: Black, Burnt Sienna, Cobalt, Crimson, Forest Green, Grey, Lime, Orange, Pink, Purple, Saffron, Sky Blue, Titanium White.
Players stand a chance to unlock this goal explosion by taking part in Psyonix-Scheduled tournaments and earning tournament credits which can then be used to buy Tournament Cup Rewards. Each season the pool of possible rewards is reset, one of Season 10’s highlight tournament reward items is the Corbital Goal Explosion and the other two are Moentage: Inverted Wheels and Polyhedral Goal Explosion.
Here is a short clip showcasing the above painted variants of this Goal Explosion.