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   ( -77.35,  28.25) 05/17/2022   21:00:31  ( -77.37,  26.37)   45.83                70
 05/17/2022   21:52:32   (  77.59,-165.52) 05/17/2022   21:51:26  (  77.56,-165.45)    3.33                66
 05/17/2022   22:43:18   ( -77.59,   1.78) 05/17/2022   22:42:26  ( -77.57,   1.87)    2.56                52
 05/17/2022   23:34:03   (  77.57, 169.17) 05/17/2022   23:33:26  (  77.56, 169.05)    3.18                37
 05/18/2022   00:24:49   ( -77.57, -23.53) 05/18/2022   00:24:26  ( -77.57, -23.64)    2.81                23
 05/18/2022   01:15:35   (  77.60, 143.67) 05/18/2022   01:15:25  (  77.60, 143.75)    1.89                10
 05/18/2022   02:06:21   ( -77.60, -49.03) 05/18/2022   02:06:25  ( -77.61, -48.95)    2.33                 4
 05/18/2022   02:57:06   (  77.58, 118.36) 05/18/2022   02:57:25  (  77.60, 118.24)    3.39                19
 05/18/2022   03:47:53   ( -77.62, -74.53) 05/18/2022   03:48:25  ( -77.61, -74.46)    2.54                32
 05/18/2022   04:38:38   (  77.61,  92.86) 05/18/2022   04:39:25  (  77.59,  92.74)    3.22                47
 05/18/2022   05:29:24   ( -77.61, -99.84) 05/18/2022   05:30:25  ( -77.60, -99.96)    3.10                61
 05/18/2022   06:20:10   (  77.63,  67.36) 05/18/2022   06:21:24  (  77.63,  67.44)    1.91                74