Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2019 5 28.  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)
 05/29/2019   22:30:48   (  70.48,-160.79) 05/29/2019   22:31:12  (  70.49,-160.86)    3.43                24
 05/29/2019   23:21:30   ( -70.42,   6.62) 05/29/2019   23:20:42  ( -70.39,   6.62)    3.43                48
 06/01/2019   14:47:16   (  70.52, -44.97) 06/01/2019   14:47:42  (  70.52, -44.95)    0.83                26
 06/01/2019   15:37:56   ( -70.40, 122.53) 06/01/2019   15:37:11  ( -70.41, 122.53)    1.23                45
 06/04/2019   07:03:42   (  70.51,  70.93) 06/04/2019   07:04:11  (  70.54,  70.96)    3.17                29
 06/04/2019   07:54:23   ( -70.39,-121.56) 06/04/2019   07:53:42  ( -70.38,-121.64)    2.90                41
 06/06/2019   23:20:09   (  70.50,-173.18) 06/06/2019   23:20:42  (  70.50,-173.22)    1.52                33
 06/07/2019   00:10:51   ( -70.43,  -5.74) 06/07/2019   00:10:12  ( -70.40,  -5.73)    3.20                39
 06/09/2019   15:36:36   (  70.50, -57.29) 06/09/2019   15:37:12  (  70.51, -57.32)    1.72                36
 06/09/2019   16:27:18   ( -70.42, 110.16) 06/09/2019   16:26:42  ( -70.42, 110.17)    0.56                36