compare sports tracking Dzhanibekov effect.
When adding significant weights on opposite sites inside the ball this creates wobble.

Solutions for the most optimal tracked sensor sport ball:
- Reduce the weight of the mounting points inside the ball
- Use the lowest possible amount of mounting positions
- Placing the sensor in the center, which is the most optimal position for tracking.
- Lower the weight of the sensor reduces irregular ball flight-path effects.

Dzhanibekov
Download: The Bizarre Behavior of Rotating Bodies.mp4 download  
Shottracker ball inside
Shottracker Ball
Sportable Gilbert Rugby ball
Sportable Ball