Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 4 14.  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,  89.57) 04/17/2022   16:48:49  ( -77.66,  89.66)    2.71                75
 04/17/2022   17:40:50   (  77.64,-103.08) 04/17/2022   17:39:43  (  77.66,-103.07)    2.64                67
 04/17/2022   18:31:36   ( -77.67,  64.07) 04/17/2022   18:30:49  ( -77.66,  64.16)    2.32                47
 04/17/2022   19:22:22   (  77.66,-128.58) 04/17/2022   19:21:43  (  77.66,-128.56)    0.39                39
 04/17/2022   20:13:07   ( -77.65,  38.78) 04/17/2022   20:12:49  ( -77.66,  38.67)    2.82                18
 04/17/2022   21:03:54   (  77.68,-154.08) 04/17/2022   21:03:43  (  77.66,-154.06)    2.69                11
 04/17/2022   21:54:39   ( -77.67,  13.28) 04/17/2022   21:54:49  ( -77.66,  13.17)    3.06                10
 04/17/2022   22:45:25   (  77.67,-179.37) 04/17/2022   22:45:42  (  77.70,-179.35)    3.73                17
 04/17/2022   23:36:11   ( -77.70, -12.22) 04/17/2022   23:36:48  ( -77.70, -12.12)    2.32                37
 04/18/2022   00:26:57   (  77.69, 155.13) 04/18/2022   00:27:42  (  77.70, 155.16)    1.25                45
 04/18/2022   01:17:42   ( -77.68, -37.51) 04/18/2022   01:18:48  ( -77.70, -37.61)    3.23                66
 04/18/2022   02:08:29   (  77.72, 129.63) 04/18/2022   02:09:42  (  77.70, 129.66)    1.76                73