Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 5 8.  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   21:01:42   ( -77.40,  28.04) 05/17/2022   21:00:31  ( -77.38,  26.40)   39.84                71
 05/17/2022   21:52:31   (  77.55,-165.35) 05/17/2022   21:51:26  (  77.57,-165.42)    2.50                65
 05/17/2022   22:43:18   ( -77.59,   1.76) 05/17/2022   22:42:26  ( -77.58,   1.90)    3.52                52
 05/17/2022   23:34:03   (  77.57, 169.15) 05/17/2022   23:33:26  (  77.56, 169.08)    2.01                37
 05/18/2022   00:24:49   ( -77.57, -23.54) 05/18/2022   00:24:26  ( -77.58, -23.61)    1.57                23
 05/18/2022   01:15:35   (  77.60, 143.64) 05/18/2022   01:15:25  (  77.60, 143.78)    3.20                10
 05/18/2022   02:06:21   ( -77.60, -49.05) 05/18/2022   02:06:26  ( -77.58, -49.11)    3.23                 5
 05/18/2022   02:57:06   (  77.58, 118.34) 05/18/2022   02:57:25  (  77.60, 118.27)    2.39                19
 05/18/2022   03:47:53   ( -77.63, -74.55) 05/18/2022   03:48:25  ( -77.61, -74.42)    3.43                32
 05/18/2022   04:38:38   (  77.61,  92.83) 05/18/2022   04:39:25  (  77.60,  92.77)    2.04                47
 05/18/2022   05:29:24   ( -77.61, -99.85) 05/18/2022   05:30:25  ( -77.61, -99.93)    1.76                61
 05/18/2022   06:20:10   (  77.64,  67.33) 05/18/2022   06:21:24  (  77.64,  67.47)    3.27                74