Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 6 12.  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   ( -79.37, 137.21) 06/14/2020   12:41:58  ( -79.38, 137.17)    1.41                65
 06/14/2020   13:33:48   (  79.37, -55.50) 06/14/2020   13:32:57  (  79.37, -55.64)    3.00                51
 06/14/2020   14:24:32   ( -79.36, 111.86) 06/14/2020   14:23:58  ( -79.39, 111.83)    3.30                34
 06/14/2020   15:15:18   (  79.40, -81.12) 06/14/2020   15:14:57  (  79.39, -80.98)    3.24                21
 06/14/2020   16:06:02   ( -79.40,  86.24) 06/14/2020   16:05:59  ( -79.38,  86.22)    1.56                 3
 06/14/2020   16:56:47   (  79.40,-106.47) 06/14/2020   16:56:57  (  79.40,-106.32)    3.23                10
 06/14/2020   17:47:31   ( -79.39,  60.89) 06/14/2020   17:47:59  ( -79.40,  60.89)    0.69                28
 06/14/2020   18:38:16   (  79.40,-131.83) 06/14/2020   18:38:58  (  79.39,-131.93)    2.27                42
 06/14/2020   19:29:00   ( -79.39,  35.53) 06/14/2020   19:29:59  ( -79.42,  35.56)    2.93                59