How long does it take for our pesky asteroid to complete its…

How long does it take for our pesky asteroid to complete its orbit? Please read and comply with the input instructions below in typing your answer.  Input Instructions:  Do not round your values mid-calculation or carry many decimal points throughout your steps.  Only round your final answer.  In typing your answer, keep two decimal places after the decimal point.  Your answer must include the correctly identified, abbreviated, and capitalized unit as discussed in the lecture recordings. Do not include any commas, words, E or scientific notation in your answer.  Your answer must match my answer exactly to score correct.  For example: 0.75 min.