China's Mars probe Tianwen-1 has traveled more than 400 million km by Sunday morning and is expected to enter Mars orbit next month, according to the China National Space Administration (CNSA).

As of 6 a.m. on Sunday (Beijing Time), the Mars probe had flown in space for 163 days. It was about 130 million km from Earth and about 8.3 million km from Mars.

According to the CNSA, the probe is functioning stably and is scheduled to slow down before entering Mars orbit in more than a month and preparing itself to land on the red planet.