>>8439124 Not to misdirect, but the extra SPACE and the 52 min separation led to this: STS-52 was a Space Transportation System

operational altitude of 3,666 miles

9 days, 20 hours, 56 minutes, 13 seconds = (11, 11, 13)

https://en.wikipedia.org/wiki/STS-52

Numbers? Symbolism? May be worth a dig.