Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 4 17.  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   ( -77.65,  89.54) 04/17/2022   16:48:49  ( -77.66,  89.66)    3.25                75
 04/17/2022   17:40:50   (  77.64,-103.12) 04/17/2022   17:39:43  (  77.66,-103.05)    2.81                67
 04/17/2022   18:31:36   ( -77.67,  64.04) 04/17/2022   18:30:49  ( -77.66,  64.17)    3.38                47
 04/17/2022   19:22:22   (  77.67,-128.62) 04/17/2022   19:21:43  (  77.66,-128.54)    1.88                39
 04/17/2022   20:13:07   ( -77.66,  38.74) 04/17/2022   20:12:49  ( -77.66,  38.67)    1.73                18
 04/17/2022   21:03:53   (  77.65,-153.92) 04/17/2022   21:03:43  (  77.66,-154.04)    3.23                10
 04/17/2022   21:54:39   ( -77.68,  13.25) 04/17/2022   21:54:49  ( -77.66,  13.18)    2.69                10
 04/17/2022   22:45:25   (  77.68,-179.42) 04/17/2022   22:45:43  (  77.66,-179.53)    3.04                18
 04/17/2022   23:36:11   ( -77.71, -12.25) 04/17/2022   23:36:48  ( -77.70, -12.11)    3.37                37
 04/18/2022   00:26:57   (  77.70, 155.08) 04/18/2022   00:27:42  (  77.70, 155.18)    2.29                45
 04/18/2022   01:17:42   ( -77.69, -37.55) 04/18/2022   01:18:48  ( -77.70, -37.61)    2.02                66
 04/18/2022   02:08:29   (  77.72, 129.59) 04/18/2022   02:09:42  (  77.70, 129.68)    3.16                73