Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2019 5 31.  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)
 06/01/2019   14:47:16   (  70.53, -44.98) 06/01/2019   14:47:42  (  70.51, -44.96)    2.34                26
 06/01/2019   15:37:57   ( -70.41, 122.51) 06/01/2019   15:37:12  ( -70.40, 122.51)    1.55                45
 06/04/2019   07:03:42   (  70.52,  70.91) 06/04/2019   07:04:11  (  70.53,  70.95)    1.58                29
 06/04/2019   07:54:23   ( -70.40,-121.58) 06/04/2019   07:53:41  ( -70.42,-121.58)    2.67                42
 06/06/2019   23:20:09   (  70.51,-173.19) 06/06/2019   23:20:42  (  70.49,-173.23)    2.75                33
 06/07/2019   00:10:50   ( -70.39,  -5.67) 06/07/2019   00:10:12  ( -70.39,  -5.75)    2.81                38
 06/09/2019   15:36:36   (  70.51, -57.30) 06/09/2019   15:37:12  (  70.51, -57.33)    1.13                36
 06/09/2019   16:27:18   ( -70.43, 110.15) 06/09/2019   16:26:42  ( -70.40, 110.15)    2.45                36
 06/12/2019   07:53:03   (  70.50,  58.59) 06/12/2019   07:53:42  (  70.52,  58.57)    1.81                39
 06/12/2019   08:43:45   ( -70.42,-133.96) 06/12/2019   08:43:12  ( -70.42,-133.95)    0.34                33