Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 8 16.  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)
 08/19/2019   03:05:24   (  79.79,  98.09) 08/19/2019   03:04:20  (  79.80,  93.81)   84.31                64
 08/19/2019   03:56:15   ( -80.00, -96.65) 08/19/2019   03:55:08  ( -79.99, -96.55)    2.04                67
 08/19/2019   04:47:00   (  80.00,  70.71) 08/19/2019   04:46:13  (  79.99,  70.69)    0.50                47
 08/19/2019   05:37:44   ( -80.00,-121.97) 08/19/2019   05:37:09  ( -79.99,-122.12)    3.10                35
 08/19/2019   06:28:29   (  79.99,  45.39) 08/19/2019   06:28:13  (  80.01,  45.44)    2.44                16
 08/19/2019   07:19:13   ( -79.99,-147.30) 08/19/2019   07:19:09  ( -80.00,-147.38)    2.14                 4
 08/19/2019   08:09:59   (  80.02,  19.76) 08/19/2019   08:10:14  (  80.01,  19.87)    2.32                15
 08/19/2019   09:00:43   ( -80.02,-172.93) 08/19/2019   09:01:10  ( -80.00,-172.95)    1.98                27
 08/19/2019   09:51:28   (  80.01,  -5.57) 08/19/2019   09:52:15  (  80.00,  -5.70)    2.89                47
 08/19/2019   10:42:12   ( -80.01, 161.75) 08/19/2019   10:43:10  ( -80.02, 161.79)    0.99                58