[dr_orpheus]

I believe what you are probably looking at (I'm having trouble loading it) is probably debris in the Geosynchronous Transfer Orbit (GTO).

[0] https://en.wikipedia.org/wiki/Geostationary_transfer_orbit

Edit: I believe that you are looking at a group of debris that is in an orbit close to GTO. This response [1] has a more detailed answer.

[1] https://space.stackexchange.com/questions/48911/what-events-...