<Tr> <Th> Absolute zero (by definition) </Th> <Td> 0 K </Td> <Td> − 273.15 ° C </Td> <Td> − 459.67 ° F </Td> <Td> 0 ° R </Td> </Tr> <Tr> <Th> Freezing point of brine (zero point of Fahrenheit scale, old definition) </Th> <Td> 255.37 K </Td> <Td> − 17.78 ° C </Td> <Td> 0 ° F </Td> <Td> 459.67 ° R </Td> </Tr> <Tr> <Th> Freezing point of water </Th> <Td> 273.15 K </Td> <Td> 0 ° C </Td> <Td> 32 ° F </Td> <Td> 491.67 ° R </Td> </Tr> <Tr> <Th> Triple point of water (by definition) </Th> <Td> 273.16 K </Td> <Td> 0.01 ° C </Td> <Td> 32.018 ° F </Td> <Td> 491.688 ° R </Td> </Tr>

What is the numerical value of the triple-point temperature triple of water on the rankine scale