Based on @PE0SAT’s analysis above here are the updated TLE sets:
Bluebird 5
1 98800U 24256.37291667 .00000000 00000-0 50000-4 0 07
2 98800 53.0000 21.8207 0010148 0.0000 42.4374 15.15323704 04
Bluebird 4
1 98801U 24256.37291667 .00000000 00000-0 50000-4 0 08
2 98801 53.0000 21.8207 0010148 0.0000 42.4374 15.15323704 05
Bluebird 3
1 98802U 24256.37291667 .00000000 00000-0 50000-4 0 09
2 98802 53.0000 21.8207 0010148 0.0000 42.4374 15.15323704 06
Bluebird 2
1 98803U 24256.37291667 .00000000 00000-0 50000-4 0 00
2 98803 53.0000 21.8207 0010148 0.0000 42.4374 15.15323704 07
Bluebird 1
1 98804U 24256.37291667 .00000000 00000-0 50000-4 0 01
2 98804 53.0000 21.8207 0010148 0.0000 42.4374 15.15323704 08
Also I’ve updated the first three of them at 434.100 MHz and the other two at 435.900 MHz until we find the rest of the frequencies.