Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 9 22.  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)
 10/02/2020   01:08:33   ( -79.14, -47.14) 10/02/2020   01:07:17  ( -79.10, -47.09)    3.91                76
 10/02/2020   01:59:18   (  79.13, 120.20) 10/02/2020   01:58:20  (  79.11, 120.21)    2.55                58
 10/02/2020   02:50:02   ( -79.13, -72.50) 10/02/2020   02:49:17  ( -79.12, -72.45)    2.03                45
 10/02/2020   03:40:47   (  79.13,  94.84) 10/02/2020   03:40:20  (  79.13,  94.84)    0.62                27
 10/02/2020   04:31:31   ( -79.13, -97.86) 10/02/2020   04:31:17  ( -79.14, -97.81)    0.91                14
 10/02/2020   05:22:16   (  79.13,  69.48) 10/02/2020   05:22:20  (  79.14,  69.48)    1.31                 4
 10/02/2020   06:13:00   ( -79.13,-123.22) 10/02/2020   06:13:17  ( -79.15,-123.18)    2.31                17
 10/02/2020   07:03:45   (  79.13,  44.12) 10/02/2020   07:04:20  (  79.16,  44.11)    3.23                35
 10/02/2020   07:54:30   ( -79.17,-148.83) 10/02/2020   07:55:18  ( -79.14,-148.80)    3.29                48
 10/02/2020   08:45:14   (  79.16,  18.50) 10/02/2020   08:46:20  (  79.14,  18.48)    2.30                66