At an altitude of 18.40 Km the temperature is 147.54K and at 78.11 Km it is 567.00K, What is the temperature at 61.5 Km?

Answer 1

I have no idea what model you are using for the temperature of high altitudes.

Whatever it is, it is an odd one.

http://www.aerospaceweb.org/question/atmosphere/atmosphere/layers.gif