From Nico Janssen, PA0DLO:
Detailed doppler measurements show that CAS 4A is object 42761, 2017-034D, and that CAS 4B is object 42759, 2017-034B.
Note that CAS 4A is also known as ZHUHAY-1 01 and as OVS 1A, and that CAS 4B is also known as ZHUHAY-1 02 and as OVS 1B.
Note that the IDs for CAS 4A and CAS 4B at Space-Track.org and at Celestrak are currently not correct.
Therefore last week's Object A (42758) and Object C (42760) have been dropped.
Objects B and D have been renamed as follows:
CAS-4B (NORAD CAT ID 42759). CAS-4A (NORAD CAT ID 42761).
Also per Nico, the following QB50 objects have been positively identified:
QB50 Challenger is NORAD CAT ID 42721. QB50 UNSW-EC0 is NORAD CAT ID 42723.
This week's KEP Distribution will reflect these changes.
Ray Hoad WA5QGD Orbital Elements Manager