Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 5 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)
 05/17/2022   21:01:41   ( -77.37,  28.15) 05/17/2022   21:00:30  ( -77.40,  26.49)   40.35                71
 05/17/2022   21:52:31   (  77.57,-165.44) 05/17/2022   21:51:25  (  77.58,-165.33)    3.17                66
 05/17/2022   22:43:17   ( -77.57,   1.87) 05/17/2022   22:42:26  ( -77.56,   1.78)    2.39                51
 05/17/2022   23:34:03   (  77.59, 169.06) 05/17/2022   23:33:25  (  77.58, 169.17)    2.83                38
 05/18/2022   00:24:49   ( -77.59, -23.63) 05/18/2022   00:24:25  ( -77.59, -23.52)    2.71                24
 05/18/2022   01:15:34   (  77.58, 143.76) 05/18/2022   01:15:25  (  77.58, 143.66)    2.26                 9
 05/18/2022   02:06:20   ( -77.58, -48.94) 05/18/2022   02:06:25  ( -77.59, -49.03)    2.65                 5
 05/18/2022   02:57:06   (  77.60, 118.25) 05/18/2022   02:57:24  (  77.62, 118.36)    3.11                18
 05/18/2022   03:47:52   ( -77.60, -74.44) 05/18/2022   03:48:25  ( -77.59, -74.54)    2.78                33
 05/18/2022   04:38:38   (  77.63,  92.75) 05/18/2022   04:39:24  (  77.62,  92.86)    2.92                46
 05/18/2022   05:29:24   ( -77.63, -99.95) 05/18/2022   05:30:24  ( -77.63, -99.84)    2.48                60
 05/18/2022   06:20:09   (  77.61,  67.44) 05/18/2022   06:21:24  (  77.62,  67.35)    2.21                75