Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 4 7.  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,  89.59) 04/17/2022   16:48:50  ( -77.63,  89.53)    1.54                74
 04/17/2022   17:40:50   (  77.64,-103.11) 04/17/2022   17:39:44  (  77.63,-103.22)    2.97                66
 04/17/2022   18:31:36   ( -77.66,  64.09) 04/17/2022   18:30:50  ( -77.63,  64.03)    3.63                46
 04/17/2022   19:22:22   (  77.67,-128.61) 04/17/2022   19:21:43  (  77.67,-128.51)    2.40                39
 04/17/2022   20:13:07   ( -77.65,  38.79) 04/17/2022   20:12:49  ( -77.67,  38.74)    3.11                18
 04/17/2022   21:03:53   (  77.65,-153.91) 04/17/2022   21:03:43  (  77.67,-154.00)    3.22                10
 04/17/2022   21:54:39   ( -77.67,  13.29) 04/17/2022   21:54:49  ( -77.67,  13.25)    1.10                10
 04/17/2022   22:45:25   (  77.67,-179.40) 04/17/2022   22:45:43  (  77.67,-179.50)    2.26                18
 04/17/2022   23:36:11   ( -77.70, -12.20) 04/17/2022   23:36:49  ( -77.67, -12.25)    2.60                38
 04/18/2022   00:26:57   (  77.70, 155.10) 04/18/2022   00:27:42  (  77.71, 155.21)    3.08                45
 04/18/2022   01:17:42   ( -77.68, -37.50) 04/18/2022   01:18:48  ( -77.71, -37.54)    3.96                66
 04/18/2022   02:08:29   (  77.72, 129.60) 04/18/2022   02:09:42  (  77.71, 129.72)    3.23                73