Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 5 27.  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)
 05/29/2019   09:53:17   ( -80.14, 172.79) 05/29/2019   09:52:04  ( -80.13, 172.88)    1.77                73
 05/29/2019   10:44:02   (  80.14, -19.89) 05/29/2019   10:43:02  (  80.14, -19.74)    2.71                60
 05/29/2019   11:34:46   ( -80.13, 147.47) 05/29/2019   11:34:05  ( -80.13, 147.34)    2.72                41
 05/29/2019   12:25:31   (  80.13, -45.21) 05/29/2019   12:25:03  (  80.13, -45.29)    1.72                28
 05/29/2019   13:16:15   ( -80.13, 122.15) 05/29/2019   13:16:05  ( -80.15, 122.11)    2.23                10
 05/29/2019   14:07:01   (  80.15, -70.83) 05/29/2019   14:07:04  (  80.13, -70.84)    2.61                 3
 05/29/2019   14:57:45   ( -80.15,  96.53) 05/29/2019   14:58:06  ( -80.14,  96.57)    1.09                21
 05/29/2019   15:48:30   (  80.15, -96.15) 05/29/2019   15:49:04  (  80.15, -96.07)    1.55                34
 05/29/2019   16:39:14   ( -80.15,  71.21) 05/29/2019   16:40:06  ( -80.16,  71.34)    3.07                52
 05/29/2019   17:29:59   (  80.15,-121.48) 05/29/2019   17:31:05  (  80.15,-121.62)    2.83                66