Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 6 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)
 06/17/2022   02:03:56   (  77.36, 132.93) 06/17/2022   02:02:44  (  77.37, 131.84)   26.74                72
 06/17/2022   02:54:44   ( -77.48, -60.31) 06/17/2022   02:53:36  ( -77.50, -60.25)    2.76                68
 06/17/2022   03:45:31   (  77.51, 106.85) 06/17/2022   03:44:41  (  77.49, 106.92)    3.17                50
 06/17/2022   04:36:16   ( -77.50, -85.82) 06/17/2022   04:35:36  ( -77.49, -85.77)    1.67                40
 06/17/2022   05:27:02   (  77.49,  81.54) 06/17/2022   05:26:40  (  77.52,  81.60)    3.28                22
 06/17/2022   06:17:47   ( -77.49,-111.13) 06/17/2022   06:17:36  ( -77.49,-111.29)    3.81                11
 06/17/2022   07:08:34   (  77.52,  56.03) 06/17/2022   07:08:40  (  77.52,  56.08)    1.35                 6
 06/17/2022   07:59:19   ( -77.52,-136.63) 06/17/2022   07:59:35  ( -77.53,-136.60)    1.18                16
 06/17/2022   08:50:05   (  77.51,  30.72) 06/17/2022   08:50:40  (  77.51,  30.56)    3.85                35
 06/17/2022   09:40:51   ( -77.54,-162.14) 06/17/2022   09:41:35  ( -77.52,-162.12)    2.59                44
 06/17/2022   10:31:37   (  77.53,   5.21) 06/17/2022   10:32:39  (  77.55,   5.24)    1.69                62
 06/17/2022   11:22:22   ( -77.53, 172.55) 06/17/2022   11:23:34  ( -77.56, 172.56)    3.02                72