Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 4 20.  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)
 05/02/2022   18:55:57   ( -77.58,  58.54) 05/02/2022   18:54:42  ( -77.59,  58.38)    4.39                75
 05/02/2022   19:46:43   (  77.60,-134.25) 05/02/2022   19:45:38  (  77.59,-134.38)    3.44                65
 05/02/2022   20:37:29   ( -77.60,  33.05) 05/02/2022   20:36:41  ( -77.63,  33.09)    3.73                48
 05/02/2022   21:28:15   (  77.62,-159.75) 05/02/2022   21:27:37  (  77.63,-159.68)    1.71                38
 05/02/2022   22:19:01   ( -77.62,   7.55) 05/02/2022   22:18:41  ( -77.63,   7.58)    1.15                20
 05/02/2022   23:09:47   (  77.65, 174.75) 05/02/2022   23:09:37  (  77.63, 174.82)    2.84                10
 05/03/2022   00:00:33   ( -77.65, -17.95) 05/03/2022   00:00:41  ( -77.63, -17.92)    2.18                 8
 05/03/2022   00:51:18   (  77.63, 149.45) 05/03/2022   00:51:37  (  77.63, 149.32)    3.14                19
 05/03/2022   01:42:04   ( -77.63, -43.25) 05/03/2022   01:42:41  ( -77.63, -43.42)    4.07                37
 05/03/2022   02:32:50   (  77.65, 123.95) 05/03/2022   02:33:36  (  77.66, 124.03)    2.13                46
 05/03/2022   03:23:36   ( -77.66, -68.75) 05/03/2022   03:24:40  ( -77.67, -68.71)    1.48                64
 05/03/2022   04:14:22   (  77.68,  98.45) 05/03/2022   04:15:36  (  77.66,  98.53)    2.51                74