Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 10 10.  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)
 10/15/2020   18:07:02   (  79.08,-121.31) 10/15/2020   18:05:49  (  79.10,-121.20)    3.38                73
 10/15/2020   18:57:46   ( -79.07,  46.04) 10/15/2020   18:56:50  ( -79.08,  45.93)    2.84                56
 10/15/2020   19:48:31   (  79.08,-146.68) 10/15/2020   19:47:50  (  79.08,-146.83)    3.38                41
 10/15/2020   20:39:16   ( -79.11,  20.43) 10/15/2020   20:38:50  ( -79.10,  20.56)    2.81                26
 10/15/2020   21:30:01   (  79.11,-172.29) 10/15/2020   21:29:50  (  79.10,-172.20)    2.32                11
 10/15/2020   22:20:45   ( -79.10,  -4.93) 10/15/2020   22:20:50  ( -79.12,  -4.80)    3.01                 5
 10/15/2020   23:11:30   (  79.11, 162.35) 10/15/2020   23:11:50  (  79.11, 162.43)    1.86                20
 10/16/2020   00:02:14   ( -79.10, -30.29) 10/16/2020   00:02:51  ( -79.10, -30.43)    2.91                37
 10/16/2020   00:52:59   (  79.11, 136.98) 10/16/2020   00:53:50  (  79.13, 137.06)    2.93                51
 10/16/2020   01:43:44   ( -79.14, -55.91) 10/16/2020   01:44:51  ( -79.12, -55.79)    3.20                67