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   03:13:07   ( -78.69, -75.20) 11/12/2020   03:12:04  ( -78.70, -79.74)   98.98                63
 11/12/2020   04:04:00   (  79.01,  90.02) 11/12/2020   04:02:49  (  79.01,  89.92)    2.04                71
 11/12/2020   04:54:45   ( -79.02,-102.74) 11/12/2020   04:53:55  ( -79.01,-102.84)    2.27                50
 11/12/2020   05:45:29   (  79.01,  64.65) 11/12/2020   05:44:49  (  79.03,  64.55)    3.06                40
 11/12/2020   06:36:14   ( -79.02,-128.11) 11/12/2020   06:35:55  ( -79.03,-128.22)    2.54                19
 11/12/2020   07:26:59   (  79.04,  39.04) 11/12/2020   07:26:49  (  79.04,  39.18)    2.97                10
 11/12/2020   08:17:43   ( -79.05,-153.72) 11/12/2020   08:17:54  ( -79.04,-153.59)    3.01                11
 11/12/2020   09:08:27   (  79.04,  13.67) 11/12/2020   09:08:49  (  79.02,  13.54)    3.24                22
 11/12/2020   09:59:12   ( -79.05,-179.08) 11/12/2020   09:59:54  ( -79.06,-178.96)    2.82                42
 11/12/2020   10:49:56   (  79.04, -11.69) 11/12/2020   10:50:49  (  79.04, -11.83)    2.89                53
 11/12/2020   11:40:41   ( -79.05, 155.55) 11/12/2020   11:41:55  ( -79.04, 155.41)    3.09                74