Soyuz-2.1b rocket carrying SAKHACUBE-CHOLBON was launched on December 28, 2025, 22:18:05

---

On December 28, 2025, 22:18:05.462 local time, Soyuz-2.1b rocket lifted off from Vostochny Cosmodrome Pad 1S carrying Aist-2T №1, №2 satellites and 50 rideshare payloads. Among them is our SAKHACUBE-CHOLBON, a 1U CubeSat built by SPUTNIX & YKSA, LLC. The spacecraft has been deployed at an approximately 500x500 km sun-synchronous orbit.
This is the first satellite of the Sakha Republic.

YKSA team is currently performing operational acceptance testing of our ground systems & payload electronics.

All systems nominal!

Image: Roscosmos