Insp4 remains in the circular(ish) 575 km orbit; here is perigee height (green), apogee height (red) and average (blue). If you're not used to looking at these, remember the ship bobs up and down between the green and red lines every 90 min as it circles Earth pic.twitter.com/jQV8uLB4bB

— Jonathan McDowell (@planet4589) September 16, 2021