Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 4 17.  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)
 04/17/2022   22:45:25   (  77.68,-179.45) 04/17/2022   22:45:42  (  77.70,-179.37)    2.53                17
 04/17/2022   23:36:10   ( -77.67, -12.09) 04/17/2022   23:36:48  ( -77.69, -12.16)    2.89                38
 04/18/2022   00:26:57   (  77.71, 155.05) 04/18/2022   00:27:42  (  77.70, 155.14)    2.31                45
 04/18/2022   01:17:42   ( -77.70, -37.59) 04/18/2022   01:18:48  ( -77.69, -37.65)    1.57                66
 04/18/2022   02:08:28   (  77.69, 129.75) 04/18/2022   02:09:42  (  77.70, 129.64)    2.78                74