Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 6 3.  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, 137.23) 06/14/2020   12:41:58  ( -79.39, 137.30)    3.21                65
 06/14/2020   13:33:48   (  79.37, -55.52) 06/14/2020   13:32:57  (  79.38, -55.55)    1.02                51
 06/14/2020   14:24:33   ( -79.40, 111.61) 06/14/2020   14:23:59  ( -79.38, 111.69)    2.50                34
 06/14/2020   15:15:17   (  79.37, -80.87) 06/14/2020   15:14:57  (  79.40, -80.89)    2.90                20
 06/14/2020   16:06:02   ( -79.39,  86.26) 06/14/2020   16:05:59  ( -79.40,  86.36)    2.06                 3
 06/14/2020   16:56:47   (  79.40,-106.49) 06/14/2020   16:56:58  (  79.38,-106.50)    2.02                11
 06/14/2020   17:47:31   ( -79.39,  60.90) 06/14/2020   17:48:00  ( -79.38,  60.75)    3.30                29
 06/14/2020   18:38:16   (  79.40,-131.85) 06/14/2020   18:38:58  (  79.40,-131.84)    0.20                42
 06/14/2020   19:29:00   ( -79.39,  35.55) 06/14/2020   19:30:00  ( -79.40,  35.41)    3.09                60