Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 8 21.  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)
 09/01/2019   19:13:38   (  79.97,-145.70) 09/01/2019   19:12:36  (  79.97,-145.70)    0.25                62
 09/01/2019   20:04:22   ( -79.97,  21.59) 09/01/2019   20:03:32  ( -79.96,  21.48)    2.58                50
 09/01/2019   20:55:07   (  79.96,-171.03) 09/01/2019   20:54:36  (  79.99,-170.96)    2.62                31
 09/01/2019   21:45:51   ( -79.97,  -3.73) 09/01/2019   21:45:32  ( -79.98,  -3.78)    1.58                19
 09/01/2019   22:36:37   (  79.99, 163.35) 09/01/2019   22:36:37  (  79.98, 163.46)    2.54                 0
 09/01/2019   23:27:21   ( -79.99, -29.36) 09/01/2019   23:27:33  ( -79.97, -29.35)    2.11                12
 09/02/2019   00:18:06   (  79.99, 138.02) 09/02/2019   00:18:38  (  79.97, 137.89)    2.77                32
 09/02/2019   01:08:50   ( -79.99, -54.69) 09/02/2019   01:09:33  ( -79.99, -54.61)    1.46                43
 09/02/2019   01:59:35   (  79.98, 112.69) 09/02/2019   02:00:38  (  79.99, 112.63)    1.71                63