Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2021 10 24.  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)
 11/04/2021   05:22:41   ( -78.11,-102.12) 11/04/2021   05:21:27  ( -78.11,-101.99)    2.99                74
 11/04/2021   06:13:25   (  78.08,  65.33) 11/04/2021   06:12:27  (  78.09,  65.18)    3.61                58
 11/04/2021   07:04:10   ( -78.11,-127.51) 11/04/2021   07:03:27  ( -78.11,-127.44)    1.63                43
 11/04/2021   07:54:55   (  78.13,  39.73) 11/04/2021   07:54:27  (  78.10,  39.73)    3.05                28
 11/04/2021   08:45:39   ( -78.12,-152.90) 11/04/2021   08:45:27  ( -78.12,-152.89)    0.70                12
 11/04/2021   09:36:24   (  78.13,  14.33) 11/04/2021   09:36:27  (  78.11,  14.27)    3.04                 3
 11/04/2021   10:27:08   ( -78.12,-178.29) 11/04/2021   10:27:27  ( -78.13,-178.34)    1.57                19
 11/04/2021   11:17:53   (  78.14, -11.06) 11/04/2021   11:18:26  (  78.15, -10.96)    2.93                33
 11/04/2021   12:08:37   ( -78.12, 156.32) 11/04/2021   12:09:27  ( -78.14, 156.21)    2.92                50
 11/04/2021   12:59:22   (  78.14, -36.45) 11/04/2021   13:00:26  (  78.16, -36.41)    2.33                64
 11/04/2021   13:50:13   ( -78.40, 129.39) 11/04/2021   13:51:21  ( -78.36, 132.12)   61.36                68