tˈaɪmlaɪn fɚðə mˈɑːɹz ɹᵻkˈɑːnɪsəns ˈɔːɹbɪɾɚ ˌɛmˌɑːɹɹˈoʊ lˈɪsts ðə sɪɡnˈɪfɪkənt ᵻvˈɛnts ʌvðə lˈɑːntʃ, ˈɛɹoʊbɹˌeɪkɪŋ, ænd tɹænsˈɪʃən fˈeɪzᵻz æz wˈɛl æz sˈʌbsᵻkwənt sɪɡnˈɪfɪkənt ˌɑːpɚɹˈeɪʃənəl mˈɪʃən ᵻvˈɛnts; baɪ dˈeɪt ænd bɹˈiːf dᵻskɹˈɪpʃən.
Timeline for the Mars Reconnaissance Orbiter (MRO) lists the significant events of the launch, aerobraking, and transition phases as well as subsequent significant operational mission events; by date and brief description.