Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 6 12.  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)
 06/17/2022   02:03:57   (  77.38, 132.80) 06/17/2022   02:02:44  (  77.38, 131.91)   21.74                73
 06/17/2022   02:54:44   ( -77.46, -60.24) 06/17/2022   02:53:37  ( -77.47, -60.37)    3.36                67
 06/17/2022   03:45:31   (  77.50, 106.91) 06/17/2022   03:44:41  (  77.50, 106.99)    2.03                50
 06/17/2022   04:36:16   ( -77.49, -85.75) 06/17/2022   04:35:36  ( -77.51, -85.69)    2.79                40
 06/17/2022   05:27:03   (  77.52,  81.41) 06/17/2022   05:26:41  (  77.50,  81.47)    3.36                22
 06/17/2022   06:17:48   ( -77.52,-111.25) 06/17/2022   06:17:36  ( -77.51,-111.20)    1.63                12
 06/17/2022   07:08:34   (  77.51,  56.09) 06/17/2022   07:08:40  (  77.53,  56.16)    3.07                 6
 06/17/2022   07:59:19   ( -77.50,-136.56) 06/17/2022   07:59:36  ( -77.50,-136.72)    3.80                17
 06/17/2022   08:50:06   (  77.53,  30.59) 06/17/2022   08:50:40  (  77.53,  30.64)    1.46                34
 06/17/2022   09:40:51   ( -77.53,-162.07) 06/17/2022   09:41:35  ( -77.54,-162.04)    1.25                44
 06/17/2022   10:31:37   (  77.52,   5.28) 06/17/2022   10:32:40  (  77.52,   5.12)    3.81                63
 06/17/2022   11:22:23   ( -77.56, 172.42) 06/17/2022   11:23:35  ( -77.53, 172.44)    2.52                72