Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2021 1 29.  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,   3.99) 02/02/2021   09:53:15  (  78.81,   4.05)    1.31                72
 02/02/2021   10:45:11   ( -78.83, 171.23) 02/02/2021   10:44:11  ( -78.82, 171.39)    3.63                60
 02/02/2021   11:35:56   (  78.82, -21.38) 02/02/2021   11:35:15  (  78.83, -21.34)    1.22                41
 02/02/2021   12:26:40   ( -78.83, 145.86) 02/02/2021   12:26:11  ( -78.84, 146.01)    3.27                29
 02/02/2021   13:17:25   (  78.82, -46.75) 02/02/2021   13:17:15  (  78.84, -46.73)    2.55                10
 02/02/2021   14:08:09   ( -78.83, 120.49) 02/02/2021   14:08:12  ( -78.82, 120.37)    2.90                 3
 02/02/2021   14:58:55   (  78.85, -72.36) 02/02/2021   14:59:16  (  78.82, -72.38)    3.71                21
 02/02/2021   15:49:38   ( -78.83,  95.12) 02/02/2021   15:50:12  ( -78.83,  94.98)    2.96                34
 02/02/2021   16:40:24   (  78.85, -97.74) 02/02/2021   16:41:16  (  78.84, -97.77)    2.23                52
 02/02/2021   17:31:08   ( -78.87,  69.50) 02/02/2021   17:32:12  ( -78.85,  69.59)    2.85                64