Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 5 16.  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  ( -77.36,  26.31)   46.63                70
 05/17/2022   21:52:32   (  77.58,-165.52) 05/17/2022   21:51:26  (  77.55,-165.48)    3.59                66
 05/17/2022   22:43:18   ( -77.59,   1.76) 05/17/2022   22:42:26  ( -77.56,   1.81)    3.50                52
 05/17/2022   23:34:03   (  77.57, 169.17) 05/17/2022   23:33:25  (  77.59, 169.21)    2.73                38
 05/18/2022   00:24:49   ( -77.58, -23.55) 05/18/2022   00:24:25  ( -77.60, -23.50)    2.88                24
 05/18/2022   01:15:35   (  77.59, 143.67) 05/18/2022   01:15:25  (  77.59, 143.71)    1.08                10
 05/18/2022   02:06:21   ( -77.60, -49.05) 05/18/2022   02:06:25  ( -77.60, -49.01)    1.12                 4
 05/18/2022   02:57:07   (  77.62, 118.17) 05/18/2022   02:57:25  (  77.59, 118.20)    3.65                18
 05/18/2022   03:47:53   ( -77.63, -74.55) 05/18/2022   03:48:25  ( -77.59, -74.52)    3.67                32
 05/18/2022   04:38:38   (  77.60,  92.86) 05/18/2022   04:39:24  (  77.63,  92.90)    2.62                46
 05/18/2022   05:29:24   ( -77.61, -99.86) 05/18/2022   05:30:24  ( -77.63, -99.82)    2.48                60
 05/18/2022   06:20:10   (  77.63,  67.36) 05/18/2022   06:21:24  (  77.62,  67.40)    1.09                74