2018 Mar 25. Largest uncontrolled reentries
2018 Mar 25. Mass of TG-1 versus time, with and without Shenzhou
2018 Mar 19. Objects from the Electron launch, 2018-010, showing the rapid decay of Humanity Star compared to other objects from the launch
2018 Mar 9. Height vs inclination for Fregat rocket stages still in orbit, showing many will remain up for a long time.
2018 Mar 9. Manuevers of SJ-17; longitude vs time and height vs time. (For Brian Weeden)
2018 Mar 8. Orbit heights for Hispasat 36W-1/PODSAT objects
2018 Mar 7. Tiangong 1 reentry maps. (original versions Jan 5)
2018 Mar 6. Orbital launch rate vs time for Cape Canaveral
2018 Mar 5. TG-1 height vs time
2018 Feb 3 TG-1 height vs time
2018 Mar 3. STARS-C orbital history
2018 Feb 25 Trends in usage of SSO and GEO. Lower right: colors are orbital categories SSO,GEO, LEO, other.
2018 Feb 23. Initial orbit plot for VA241
2018 Feb 13. Decay plot for Irid 43
2018 Jan 29. Reentry track for Zenit-2 rocket
2018 Jan 29. Orbit plot for Kosmos-2519 2017-037 and subsats
2018 Jan 29. Rough estimate of initial VA241 wrong-direction track
2018 Jan 4. Prelaunch guess at Tesla possible orbits.