>an asteroid big enough to destroy an areas the size of Texas, that WILL hit Earth in about 140 years There is no such thing. 101955 BENNU currently tops the s

>an asteroid big enough to destroy an areas the size of Texas, that WILL hit Earth in about 140 years There is no such thing. 101955 BENNU currently tops the special risk-list of potentially dangerous asteroids, with the latest estimate giving an impact probability of 0.037% in the year 2182. The only other candidate on that list has a probability that is even lower and and a timeframe of many centuries. https://neo.ssa.esa.int/risk-list https://neo.ssa.esa.int/risk-list