ISS Reboost - Today, the ISS performed a reboost using the aft Progress 75P R&D thrusters. The purpose of this reboost is to set up the conditions for Progress 77P 33-Orbit rendezvous on February 15. The burn duration was 6 minutes 58 seconds with a Delta-V of 0.723 m/s. Payloads Airborne Particulate Monitor (APM) – …

Source: ISS Daily Summary Report - 1/21/2021