Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 7 13.  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)
 07/22/2019   21:21:28   ( -80.05,   1.61) 07/22/2019   21:20:18  ( -80.03,   1.56)    2.09                70
 07/22/2019   22:12:12   (  80.04, 169.02) 07/22/2019   22:11:16  (  80.05, 169.15)    3.09                56
 07/22/2019   23:02:57   ( -80.04, -23.71) 07/22/2019   23:02:18  ( -80.05, -23.70)    0.82                39
 07/22/2019   23:53:41   (  80.03, 143.70) 07/22/2019   23:53:17  (  80.05, 143.59)    2.90                24
 07/23/2019   00:44:27   ( -80.07, -49.34) 07/23/2019   00:44:19  ( -80.04, -49.26)    2.85                 8
 07/23/2019   01:35:11   (  80.06, 118.07) 07/23/2019   01:35:18  (  80.05, 118.02)    1.54                 7
 07/23/2019   02:25:56   ( -80.06, -74.66) 07/23/2019   02:26:19  ( -80.06, -74.51)    2.85                23
 07/23/2019   03:16:40   (  80.05,  92.75) 07/23/2019   03:17:18  (  80.06,  92.78)    1.45                38
 07/23/2019   04:07:25   ( -80.06, -99.99) 07/23/2019   04:08:20  ( -80.06,-100.08)    1.79                55