Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 9 18.  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   01:08:32   ( -79.12, -47.04) 10/02/2020   01:07:17  ( -79.07, -47.35)    8.66                75
 10/02/2020   01:59:17   (  79.12, 120.29) 10/02/2020   01:58:19  (  79.11, 120.20)    2.39                58
 10/02/2020   02:50:01   ( -79.12, -72.40) 10/02/2020   02:49:16  ( -79.12, -72.45)    1.01                45
 10/02/2020   03:40:46   (  79.12,  94.93) 10/02/2020   03:40:19  (  79.12,  94.83)    2.09                27
 10/02/2020   04:31:30   ( -79.12, -97.76) 10/02/2020   04:31:16  ( -79.14, -97.81)    1.90                14
 10/02/2020   05:22:15   (  79.12,  69.57) 10/02/2020   05:22:19  (  79.14,  69.47)    3.22                 4
 10/02/2020   06:12:59   ( -79.12,-123.12) 10/02/2020   06:13:16  ( -79.15,-123.17)    3.72                17
 10/02/2020   07:03:45   (  79.15,  43.95) 10/02/2020   07:04:19  (  79.16,  44.10)    3.12                34
 10/02/2020   07:54:29   ( -79.15,-148.74) 10/02/2020   07:55:17  ( -79.14,-148.80)    2.28                48
 10/02/2020   08:45:14   (  79.15,  18.59) 10/02/2020   08:46:20  (  79.14,  18.47)    2.87                66