Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 8 9.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 08/23/2023   00:31:29   ( -76.08, -14.02) 08/23/2023   00:30:21  ( -76.08, -16.67)   70.96                68
 08/23/2023   01:22:23   (  76.42, 152.06) 08/23/2023   01:21:08  (  76.41, 151.87)    5.02                75
 08/23/2023   02:13:09   ( -76.47, -40.81) 08/23/2023   02:12:11  ( -76.47, -40.68)    3.38                58