The audio comparison shows it clearly. I switched the TLE second by second between Object P (higher audio frequency) and Object Q (lower audio frequency).
OBJECT P 1 42778U 17036P 17178.94406776 +.00000884 +00000-0 +43782-4 0 9990 2 42778 097.4512 238.6541 0011763 223.6590 136.3715 15.20329400000666 OBJECT Q 1 42779U 17036Q 17178.94389044 +.00001323 +00000-0 +63834-4 0 9998 2 42779 097.4499 238.6520 0011737 229.6603 130.3607 15.20386871000658