Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 4 8.  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,  89.55) 04/17/2022   16:48:50  ( -77.62,  89.47)    3.33                74
 04/17/2022   17:40:50   (  77.65,-103.14) 04/17/2022   17:39:43  (  77.66,-103.07)    2.04                67
 04/17/2022   18:31:36   ( -77.67,  64.06) 04/17/2022   18:30:49  ( -77.66,  64.18)    3.08                47
 04/17/2022   19:22:22   (  77.67,-128.64) 04/17/2022   19:21:43  (  77.66,-128.56)    2.27                39
 04/17/2022   20:13:07   ( -77.65,  38.76) 04/17/2022   20:12:49  ( -77.66,  38.69)    2.03                18
 04/17/2022   21:03:53   (  77.65,-153.93) 04/17/2022   21:03:43  (  77.66,-154.06)    3.00                10
 04/17/2022   21:54:39   ( -77.68,  13.26) 04/17/2022   21:54:49  ( -77.66,  13.19)    2.40                10
 04/17/2022   22:45:25   (  77.68,-179.43) 04/17/2022   22:45:42  (  77.70,-179.35)    2.98                17
 04/17/2022   23:36:11   ( -77.70, -12.24) 04/17/2022   23:36:48  ( -77.70, -12.10)    3.23                37
 04/18/2022   00:26:57   (  77.70, 155.07) 04/18/2022   00:27:42  (  77.70, 155.16)    2.20                45
 04/18/2022   01:17:42   ( -77.69, -37.53) 04/18/2022   01:18:48  ( -77.70, -37.60)    2.46                66
 04/18/2022   02:08:28   (  77.69, 129.77) 04/18/2022   02:09:42  (  77.70, 129.66)    2.91                74