Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 7 9.  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   21:21:29   ( -80.04,   1.63) 07/22/2019   21:20:18  ( -80.05,   1.78)    2.74                71
 07/22/2019   22:12:13   (  80.04, 169.02) 07/22/2019   22:11:17  (  80.05, 169.04)    1.15                56
 07/22/2019   23:02:58   ( -80.04, -23.69) 07/22/2019   23:02:19  ( -80.04, -23.79)    1.94                39
 07/22/2019   23:53:43   (  80.06, 143.39) 07/22/2019   23:53:18  (  80.04, 143.48)    2.72                25
 07/23/2019   00:44:27   ( -80.03, -49.01) 07/23/2019   00:44:19  ( -80.06, -49.04)    2.87                 8
 07/23/2019   01:35:12   (  80.06, 118.07) 07/23/2019   01:35:18  (  80.06, 118.23)    3.25                 6
 07/23/2019   02:25:57   ( -80.06, -74.64) 07/23/2019   02:26:20  ( -80.06, -74.61)    0.73                23
 07/23/2019   03:16:41   (  80.05,  92.74) 07/23/2019   03:17:19  (  80.06,  92.67)    1.42                38
 07/23/2019   04:07:26   ( -80.05, -99.96) 07/23/2019   04:08:20  ( -80.07, -99.86)    2.97                54