Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 11 1.  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)
 11/12/2020   03:13:07   ( -78.71, -75.31) 11/12/2020   03:12:04  ( -78.68, -79.82)   98.34                63
 11/12/2020   04:03:59   (  78.99,  90.12) 11/12/2020   04:02:48  (  79.03,  90.07)    3.88                71
 11/12/2020   04:54:44   ( -79.00,-102.61) 11/12/2020   04:53:54  ( -79.03,-102.67)    3.70                50
 11/12/2020   05:45:29   (  79.03,  64.50) 11/12/2020   05:44:49  (  79.01,  64.44)    2.46                40
 11/12/2020   06:36:14   ( -79.03,-128.23) 11/12/2020   06:35:55  ( -79.02,-128.30)    2.72                19
 11/12/2020   07:26:58   (  79.03,  39.14) 11/12/2020   07:26:49  (  79.03,  39.06)    1.60                 9
 11/12/2020   08:17:43   ( -79.03,-153.59) 11/12/2020   08:17:55  ( -79.03,-153.67)    1.79                12
 11/12/2020   09:08:27   (  79.03,  13.77) 11/12/2020   09:08:49  (  79.04,  13.69)    2.39                22
 11/12/2020   09:59:12   ( -79.03,-178.96) 11/12/2020   09:59:55  ( -79.05,-179.05)    2.40                43
 11/12/2020   10:49:57   (  79.06, -11.84) 11/12/2020   10:50:49  (  79.06, -11.68)    3.46                52
 11/12/2020   11:40:42   ( -79.07, 155.43) 11/12/2020   11:41:55  ( -79.06, 155.58)    3.32                73