Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 6 14.  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)
 06/14/2020   12:43:03   ( -79.36, 137.24) 06/14/2020   12:41:58  ( -79.38, 137.20)    2.08                65
 06/14/2020   13:33:48   (  79.36, -55.45) 06/14/2020   13:32:57  (  79.37, -55.59)    3.12                51
 06/14/2020   14:24:33   ( -79.39, 111.63) 06/14/2020   14:23:59  ( -79.37, 111.59)    2.95                34
 06/14/2020   15:15:18   (  79.39, -81.07) 06/14/2020   15:14:57  (  79.39, -80.93)    2.95                21
 06/14/2020   16:06:02   ( -79.39,  86.27) 06/14/2020   16:05:59  ( -79.39,  86.26)    0.70                 3
 06/14/2020   16:56:47   (  79.39,-106.43) 06/14/2020   16:56:58  (  79.38,-106.55)    2.90                11
 06/14/2020   17:47:31   ( -79.39,  60.92) 06/14/2020   17:47:59  ( -79.40,  60.93)    1.55                28
 06/14/2020   18:38:16   (  79.39,-131.78) 06/14/2020   18:38:58  (  79.40,-131.88)    2.17                42
 06/14/2020   19:29:01   ( -79.42,  35.30) 06/14/2020   19:30:00  ( -79.39,  35.32)    3.25                59