Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 4 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)
 04/17/2022   16:50:04   ( -77.64,  89.58) 04/17/2022   16:48:50  ( -77.63,  89.50)    2.23                74
 04/17/2022   17:40:50   (  77.64,-103.09) 04/17/2022   17:39:44  (  77.63,-103.22)    3.15                66
 04/17/2022   18:31:36   ( -77.67,  64.08) 04/17/2022   18:30:49  ( -77.67,  64.21)    3.16                47
 04/17/2022   19:22:22   (  77.66,-128.58) 04/17/2022   19:21:43  (  77.67,-128.50)    2.22                39
 04/17/2022   20:13:07   ( -77.65,  38.78) 04/17/2022   20:12:49  ( -77.67,  38.72)    2.82                18
 04/17/2022   21:03:54   (  77.69,-154.08) 04/17/2022   21:03:43  (  77.67,-154.00)    2.48                11
 04/17/2022   21:54:39   ( -77.67,  13.29) 04/17/2022   21:54:49  ( -77.67,  13.22)    1.58                10
 04/17/2022   22:45:25   (  77.67,-179.38) 04/17/2022   22:45:43  (  77.67,-179.50)    2.75                18
 04/17/2022   23:36:11   ( -77.70, -12.21) 04/17/2022   23:36:49  ( -77.67, -12.27)    3.31                38
 04/18/2022   00:26:57   (  77.69, 155.12) 04/18/2022   00:27:42  (  77.71, 155.22)    3.13                45
 04/18/2022   01:17:42   ( -77.68, -37.51) 04/18/2022   01:18:48  ( -77.71, -37.56)    3.56                66
 04/18/2022   02:08:29   (  77.72, 129.62) 04/18/2022   02:09:42  (  77.71, 129.72)    2.46                73