Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2021 2 2.  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)
 02/02/2021   09:54:27   (  78.82,   3.97) 02/02/2021   09:53:15  (  78.81,   4.03)    1.85                72
 02/02/2021   10:45:10   ( -78.80, 171.43) 02/02/2021   10:44:11  ( -78.82, 171.36)    2.61                59
 02/02/2021   11:35:56   (  78.82, -21.40) 02/02/2021   11:35:15  (  78.82, -21.36)    0.91                41
 02/02/2021   12:26:40   ( -78.83, 145.82) 02/02/2021   12:26:11  ( -78.83, 145.97)    3.27                29
 02/02/2021   13:17:25   (  78.82, -46.78) 02/02/2021   13:17:15  (  78.84, -46.75)    1.87                10
 02/02/2021   14:08:09   ( -78.83, 120.45) 02/02/2021   14:08:11  ( -78.85, 120.58)    3.14                 2
 02/02/2021   14:58:54   (  78.82, -72.15) 02/02/2021   14:59:15  (  78.85, -72.14)    3.38                21
 02/02/2021   15:49:38   ( -78.84,  95.08) 02/02/2021   15:50:12  ( -78.83,  94.94)    3.00                34
 02/02/2021   16:40:24   (  78.86, -97.76) 02/02/2021   16:41:16  (  78.83, -97.79)    2.89                52
 02/02/2021   17:31:07   ( -78.84,  69.71) 02/02/2021   17:32:12  ( -78.84,  69.56)    3.33                65