Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 9 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)
 09/29/2019   01:48:21   (  79.91, 116.18) 09/29/2019   01:47:14  (  79.92, 116.14)    1.44                67
 09/29/2019   02:39:05   ( -79.90, -76.46) 09/29/2019   02:38:15  ( -79.92, -76.56)    2.98                50
 09/29/2019   03:29:51   (  79.93,  90.56) 09/29/2019   03:29:15  (  79.91,  90.56)    2.35                36
 09/29/2019   04:20:35   ( -79.93,-102.08) 09/29/2019   04:20:16  ( -79.92,-102.14)    1.78                19
 09/29/2019   05:11:20   (  79.93,  65.23) 09/29/2019   05:11:15  (  79.93,  65.29)    1.23                 5
 09/29/2019   06:02:04   ( -79.92,-127.41) 09/29/2019   06:02:16  ( -79.93,-127.41)    1.17                12
 09/29/2019   06:52:49   (  79.92,  39.90) 09/29/2019   06:53:15  (  79.95,  40.02)    3.53                26
 09/29/2019   07:43:34   ( -79.95,-153.03) 09/29/2019   07:44:17  ( -79.93,-152.98)    2.52                43
 09/29/2019   08:34:19   (  79.95,  14.27) 09/29/2019   08:35:16  (  79.94,  14.44)    3.35                57