Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 11 7.  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   03:13:06   ( -78.68, -75.15) 11/12/2020   03:12:03  ( -78.70, -79.69)   99.07                63
 11/12/2020   04:03:59   (  79.00,  90.07) 11/12/2020   04:02:48  (  79.02,  89.97)    2.80                71
 11/12/2020   04:54:44   ( -79.01,-102.69) 11/12/2020   04:53:54  ( -79.02,-102.79)    2.36                50
 11/12/2020   05:45:29   (  79.03,  64.46) 11/12/2020   05:44:48  (  79.03,  64.60)    3.08                41
 11/12/2020   06:36:14   ( -79.04,-128.30) 11/12/2020   06:35:54  ( -79.03,-128.16)    3.17                20
 11/12/2020   07:26:58   (  79.03,  39.09) 11/12/2020   07:26:48  (  79.05,  39.23)    3.31                10
 11/12/2020   08:17:43   ( -79.04,-153.66) 11/12/2020   08:17:54  ( -79.05,-153.53)    2.85                11
 11/12/2020   09:08:27   (  79.03,  13.73) 11/12/2020   09:08:49  (  79.03,  13.60)    2.80                22
 11/12/2020   09:59:12   ( -79.04,-179.03) 11/12/2020   09:59:55  ( -79.03,-179.16)    3.08                43
 11/12/2020   10:49:57   (  79.07, -11.89) 11/12/2020   10:50:49  (  79.05, -11.78)    3.31                52
 11/12/2020   11:40:41   ( -79.04, 155.61) 11/12/2020   11:41:55  ( -79.05, 155.47)    3.12                74