Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 4 9.  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   16:50:05   ( -77.66,  89.50) 04/17/2022   16:48:50  ( -77.65,  89.63)    3.16                75
 04/17/2022   17:40:51   (  77.66,-103.19) 04/17/2022   17:39:44  (  77.65,-103.11)    2.08                67
 04/17/2022   18:31:36   ( -77.64,  64.20) 04/17/2022   18:30:50  ( -77.65,  64.14)    2.21                46
 04/17/2022   19:22:22   (  77.64,-128.49) 04/17/2022   19:21:44  (  77.65,-128.60)    3.00                38
 04/17/2022   20:13:08   ( -77.66,  38.71) 04/17/2022   20:12:50  ( -77.66,  38.64)    1.88                18
 04/17/2022   21:03:54   (  77.67,-153.99) 04/17/2022   21:03:44  (  77.65,-154.10)    3.07                10
 04/17/2022   21:54:39   ( -77.69,  13.21) 04/17/2022   21:54:48  ( -77.69,  13.35)    3.49                 9
 04/17/2022   22:45:25   (  77.69,-179.48) 04/17/2022   22:45:42  (  77.69,-179.39)    2.35                17
 04/17/2022   23:36:10   ( -77.67, -12.09) 04/17/2022   23:36:48  ( -77.69, -12.14)    2.85                38
 04/18/2022   00:26:56   (  77.67, 155.22) 04/18/2022   00:27:42  (  77.69, 155.12)    3.17                46
 04/18/2022   01:17:42   ( -77.70, -37.59) 04/18/2022   01:18:48  ( -77.70, -37.64)    1.22                66
 04/18/2022   02:08:28   (  77.70, 129.72) 04/18/2022   02:09:42  (  77.69, 129.62)    2.31                74