Feb 5, 2021, 8 PM local time, TW-1 has carried out the fourth course adjustment. All system are normal after 197 days in flight, 184 million km from Earth, 1.1 million km from Mars, and accumlated flying mileage of 465 million km. The first photo of Mars was captured 2.2 million km from Mars.

Related link: 70m antenna will begin operation when Tianwen-1 enter Mars orbit on Feb 10