Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 10 7.  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   (  79.07,-121.23) 10/15/2020   18:05:50  (  79.08,-121.36)    3.11                72
 10/15/2020   18:57:47   ( -79.09,  45.89) 10/15/2020   18:56:50  ( -79.10,  46.04)    3.35                57
 10/15/2020   19:48:32   (  79.10,-146.85) 10/15/2020   19:47:50  (  79.10,-146.73)    2.52                42
 10/15/2020   20:39:16   ( -79.09,  20.52) 10/15/2020   20:38:51  ( -79.08,  20.42)    2.54                25
 10/15/2020   21:30:01   (  79.10,-172.21) 10/15/2020   21:29:50  (  79.11,-172.10)    2.65                11
 10/15/2020   22:20:45   ( -79.09,  -4.84) 10/15/2020   22:20:51  ( -79.10,  -4.95)    2.46                 6
 10/15/2020   23:11:30   (  79.10, 162.43) 10/15/2020   23:11:51  (  79.10, 162.27)    3.41                21
 10/16/2020   00:02:15   ( -79.13, -30.45) 10/16/2020   00:02:51  ( -79.12, -30.31)    3.16                36
 10/16/2020   00:53:00   (  79.13, 136.81) 10/16/2020   00:53:51  (  79.11, 136.90)    3.05                51
 10/16/2020   01:43:44   ( -79.12, -55.81) 10/16/2020   01:44:51  ( -79.13, -55.68)    2.98                67