Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2021 1 21.  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   09:54:26   (  78.80,   4.13) 02/02/2021   09:53:15  (  78.80,   3.99)    3.14                71
 02/02/2021   10:45:10   ( -78.80, 171.40) 02/02/2021   10:44:11  ( -78.82, 171.37)    1.83                59
 02/02/2021   11:35:56   (  78.83, -21.48) 02/02/2021   11:35:15  (  78.82, -21.40)    2.50                41
 02/02/2021   12:26:39   ( -78.80, 146.03) 02/02/2021   12:26:11  ( -78.83, 145.98)    3.46                28
 02/02/2021   13:17:25   (  78.83, -46.86) 02/02/2021   13:17:15  (  78.83, -46.79)    1.42                10
 02/02/2021   14:08:09   ( -78.84, 120.42) 02/02/2021   14:08:12  ( -78.81, 120.34)    3.34                 3
 02/02/2021   14:58:54   (  78.83, -72.23) 02/02/2021   14:59:15  (  78.85, -72.18)    1.73                21
 02/02/2021   15:49:38   ( -78.84,  95.05) 02/02/2021   15:50:12  ( -78.83,  94.95)    2.39                34
 02/02/2021   16:40:23   (  78.83, -97.60) 02/02/2021   16:41:15  (  78.86, -97.57)    3.02                52
 02/02/2021   17:31:07   ( -78.84,  69.68) 02/02/2021   17:32:12  ( -78.84,  69.57)    2.38                65