Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 5 4.  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)
 05/17/2022   21:01:41   ( -77.36,  28.23) 05/17/2022   21:00:31  ( -77.37,  26.37)   45.47                70
 05/17/2022   21:52:31   (  77.55,-165.37) 05/17/2022   21:51:26  (  77.55,-165.47)    2.44                65
 05/17/2022   22:43:18   ( -77.59,   1.76) 05/17/2022   22:42:26  ( -77.57,   1.86)    3.27                52
 05/17/2022   23:34:03   (  77.58, 169.13) 05/17/2022   23:33:25  (  77.59, 169.23)    2.83                38
 05/18/2022   00:24:49   ( -77.58, -23.54) 05/18/2022   00:24:26  ( -77.57, -23.65)    2.59                23
 05/18/2022   01:15:35   (  77.61, 143.63) 05/18/2022   01:15:25  (  77.59, 143.72)    2.81                10
 05/18/2022   02:06:21   ( -77.60, -49.05) 05/18/2022   02:06:25  ( -77.61, -48.95)    2.32                 4