Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 3 15.  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   ( -77.42, 153.38) 03/18/2022   12:36:53  ( -77.40, 150.27)   75.47                67
 03/18/2022   13:28:54   (  77.71, -40.69) 03/18/2022   13:27:43  (  77.71, -40.85)    3.89                71
 03/18/2022   14:19:39   ( -77.74, 126.51) 03/18/2022   14:18:44  ( -77.75, 126.61)    3.24                55
 03/18/2022   15:10:26   (  77.73, -66.18) 03/18/2022   15:09:42  (  77.75, -66.13)    2.44                44
 03/18/2022   16:01:11   ( -77.76, 101.01) 03/18/2022   16:00:44  ( -77.76, 101.13)    2.81                27
 03/18/2022   16:51:58   (  77.76, -91.68) 03/18/2022   16:51:42  (  77.76, -91.62)    1.49                16
 03/18/2022   17:42:42   ( -77.74,  75.72) 03/18/2022   17:42:44  ( -77.76,  75.65)    2.63                 2
 03/18/2022   18:33:30   (  77.78,-117.18) 03/18/2022   18:33:42  (  77.76,-117.11)    3.14                12
 03/18/2022   19:24:14   ( -77.76,  50.22) 03/18/2022   19:24:44  ( -77.76,  50.16)    1.47                30
 03/18/2022   20:15:01   (  77.76,-142.47) 03/18/2022   20:15:42  (  77.76,-142.59)    2.98                41
 03/18/2022   21:05:46   ( -77.79,  24.73) 03/18/2022   21:06:44  ( -77.76,  24.68)    2.81                58
 03/18/2022   21:56:33   (  77.79,-167.96) 03/18/2022   21:57:41  (  77.80,-167.87)    2.69                68