Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2019 6 3.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 06/04/2019   07:03:42   (  70.51,  70.92) 06/04/2019   07:04:11  (  70.53,  70.95)    2.19                29
 06/04/2019   07:54:23   ( -70.40,-121.58) 06/04/2019   07:53:41  ( -70.42,-121.58)    2.90                42
 06/06/2019   23:20:09   (  70.51,-173.18) 06/06/2019   23:20:42  (  70.49,-173.23)    2.06                33
 06/07/2019   00:10:50   ( -70.38,  -5.67) 06/07/2019   00:10:12  ( -70.39,  -5.75)    2.97                38
 06/09/2019   15:36:36   (  70.50, -57.29) 06/09/2019   15:37:12  (  70.51, -57.32)    1.54                36
 06/09/2019   16:27:18   ( -70.42, 110.15) 06/09/2019   16:26:42  ( -70.41, 110.16)    1.87                36
 06/12/2019   07:53:03   (  70.50,  58.60) 06/12/2019   07:53:42  (  70.52,  58.57)    2.98                39
 06/12/2019   08:43:45   ( -70.41,-133.95) 06/12/2019   08:43:12  ( -70.42,-133.94)    0.98                33
 06/15/2019   00:09:30   (  70.55, 174.40) 06/15/2019   00:10:11  (  70.53, 174.47)    2.96                41
 06/15/2019   01:00:11   ( -70.40, -18.05) 06/15/2019   00:59:41  ( -70.43, -18.05)    3.22                30