Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 5 20.  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   09:53:16   ( -80.12, 173.01) 05/29/2019   09:52:04  ( -80.13, 172.88)    2.95                72
 05/29/2019   10:44:01   (  80.12, -19.72) 05/29/2019   10:43:02  (  80.14, -19.79)    1.96                59
 05/29/2019   11:34:46   ( -80.14, 147.39) 05/29/2019   11:34:05  ( -80.13, 147.33)    1.86                41
 05/29/2019   12:25:31   (  80.15, -45.35) 05/29/2019   12:25:03  (  80.13, -45.34)    1.51                28
 05/29/2019   13:16:15   ( -80.14, 122.07) 05/29/2019   13:16:05  ( -80.15, 122.11)    1.34                10
 05/29/2019   14:07:00   (  80.14, -70.67) 05/29/2019   14:07:03  (  80.15, -70.56)    2.29                 3
 05/29/2019   14:57:45   ( -80.16,  96.44) 05/29/2019   14:58:06  ( -80.14,  96.57)    3.00                21
 05/29/2019   15:48:29   (  80.14, -95.99) 05/29/2019   15:49:04  (  80.15, -96.11)    2.64                35
 05/29/2019   16:39:14   ( -80.15,  71.12) 05/29/2019   16:40:07  ( -80.14,  71.02)    2.48                53