[TomGuy]

What goes up ...

I am kind of wondering what happened to about 100 of those SpaceX satellites that apparently have disappeared:

SpaceX Launches 60 More Starlink Satellites


SpaceX launched the next batch of 60 Starlink satellites this week, bringing the total to over 1500 satellites launched and over 1400 still in orbit.
[Emphasis added.]

[Database]

I am kind of wondering what happened to about 100 of those SpaceX satellites that apparently have disappeared:

Starlink sats are designed to do a controlled deorbit at end of life. IIRC, two or three of the 100 made uncontrolled reentries.