Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2021 2 1.  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,   3.96) 02/02/2021   09:53:15  (  78.81,   4.02)    2.17                72
 02/02/2021   10:45:10   ( -78.80, 171.42) 02/02/2021   10:44:11  ( -78.82, 171.35)    2.36                59
 02/02/2021   11:35:56   (  78.82, -21.42) 02/02/2021   11:35:15  (  78.82, -21.37)    0.91                41
 02/02/2021   12:26:40   ( -78.84, 145.81) 02/02/2021   12:26:11  ( -78.83, 145.96)    3.35                29
 02/02/2021   13:17:25   (  78.82, -46.79) 02/02/2021   13:17:15  (  78.84, -46.77)    1.49                10
 02/02/2021   14:08:09   ( -78.84, 120.44) 02/02/2021   14:08:11  ( -78.85, 120.58)    3.08                 2
 02/02/2021   14:58:54   (  78.82, -72.16) 02/02/2021   14:59:15  (  78.85, -72.16)    2.97                21
 02/02/2021   15:49:38   ( -78.84,  95.07) 02/02/2021   15:50:12  ( -78.83,  94.94)    3.06                34
 02/02/2021   16:40:24   (  78.86, -97.78) 02/02/2021   16:41:16  (  78.83, -97.80)    3.30                52
 02/02/2021   17:31:07   ( -78.84,  69.70) 02/02/2021   17:32:12  ( -78.84,  69.55)    3.23                65