Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 3 7.  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)
 03/18/2022   12:38:00   ( -77.37, 153.61) 03/18/2022   12:36:55  ( -77.33, 149.93)   89.87                65
 03/18/2022   13:28:55   (  77.71, -40.69) 03/18/2022   13:27:43  (  77.72, -40.82)    3.23                72
 03/18/2022   14:19:40   ( -77.73, 126.55) 03/18/2022   14:18:45  ( -77.72, 126.46)    2.15                55
 03/18/2022   15:10:27   (  77.73, -66.18) 03/18/2022   15:09:43  (  77.72, -66.31)    3.39                44
 03/18/2022   16:01:12   ( -77.75, 101.06) 03/18/2022   16:00:45  ( -77.73, 100.98)    2.95                27
 03/18/2022   16:51:59   (  77.76, -91.67) 03/18/2022   16:51:42  (  77.76, -91.58)    2.16                17
 03/18/2022   17:42:44   ( -77.77,  75.57) 03/18/2022   17:42:44  ( -77.77,  75.71)    3.19                 0
 03/18/2022   18:33:31   (  77.78,-117.16) 03/18/2022   18:33:42  (  77.76,-117.07)    2.84                11
 03/18/2022   19:24:15   ( -77.75,  50.28) 03/18/2022   19:24:44  ( -77.77,  50.22)    2.65                29
 03/18/2022   20:15:02   (  77.76,-142.45) 03/18/2022   20:15:42  (  77.76,-142.56)    2.50                40
 03/18/2022   21:05:47   ( -77.77,  24.79) 03/18/2022   21:06:44  ( -77.77,  24.74)    1.18                57
 03/18/2022   21:56:34   (  77.78,-167.95) 03/18/2022   21:57:42  (  77.77,-168.04)    2.90                68