https://twitter.com/planet4589/status/1449011585012404240
https://twitter.com/planet4589/status/1449011937451429894
Satellite Network Filing RRW2021-42537 was received on 2021-09-21 for the “CINNAMON-937” constellation, which is described in the supplementary notes [PDF] as:
An orbital shell is here defined as the set of orbits with the same inclination. There are 27 of such orbital shells. Each orbital shell, except the equatorial shell made of one single plane, has a total of 12,960 satellites. The 27 orbital shells comprise of 327,320 satellites.
Satellites are to orbit at altitudes between 550 and 643.6 km in shells arranged by inclination,