Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 7 18.  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,   1.61)    1.52                70
 07/22/2019   22:12:12   (  80.03, 169.05) 07/22/2019   22:11:17  (  80.04, 168.91)    2.61                55
 07/22/2019   23:02:57   ( -80.04, -23.72) 07/22/2019   23:02:18  ( -80.05, -23.65)    1.74                39
 07/22/2019   23:53:41   (  80.03, 143.72) 07/22/2019   23:53:17  (  80.06, 143.67)    3.00                24
 07/23/2019   00:44:26   ( -80.04, -49.04) 07/23/2019   00:44:19  ( -80.05, -49.21)    3.37                 7
 07/23/2019   01:35:11   (  80.05, 118.10) 07/23/2019   01:35:18  (  80.05, 118.11)    0.44                 7
 07/23/2019   02:25:56   ( -80.06, -74.67) 07/23/2019   02:26:20  ( -80.04, -74.78)    3.05                24
 07/23/2019   03:16:40   (  80.05,  92.77) 07/23/2019   03:17:18  (  80.07,  92.86)    2.77                38
 07/23/2019   04:07:25   ( -80.06, -99.99) 07/23/2019   04:08:20  ( -80.06,-100.03)    0.71                55