Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2019 6 26.  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)
 06/28/2019   09:31:44   (  70.54,  33.83) 06/28/2019   09:32:39  (  70.53,  33.87)    2.21                55
 06/28/2019   10:22:25   ( -70.40,-158.62) 06/28/2019   10:22:09  ( -70.42,-158.66)    2.89                16
 06/28/2019   11:12:56   (  69.64,   9.85) 06/28/2019   11:11:48  (  69.66,   7.91)   75.17                68
 07/01/2019   01:48:11   (  70.54, 149.71) 07/01/2019   01:49:09  (  70.52, 149.74)    3.27                58
 07/01/2019   02:38:52   ( -70.39, -42.73) 07/01/2019   02:38:39  ( -70.41, -42.79)    3.05                13
 07/01/2019   03:29:24   (  69.69, 125.65) 07/01/2019   03:28:16  (  69.75, 123.92)   67.17                68
 07/03/2019   18:04:38   (  70.55, -94.40) 07/03/2019   18:05:38  (  70.55, -94.33)    3.01                60
 07/03/2019   18:55:20   ( -70.44,  73.08) 07/03/2019   18:55:08  ( -70.45,  73.15)    2.68                12
 07/03/2019   19:45:53   (  69.80,-118.62) 07/03/2019   19:44:44  (  69.85,-120.07)   55.76                69
 07/06/2019   10:21:05   (  70.55,  21.48) 07/06/2019   10:22:08  (  70.54,  21.53)    2.54                63
 07/06/2019   11:11:47   ( -70.44,-171.03) 07/06/2019   11:11:38  ( -70.43,-170.99)    1.78                 9
 07/06/2019   12:02:22   (  69.91,  -2.90) 07/06/2019   12:01:11  (  69.99,  -3.98)   42.32                71
 07/09/2019   02:37:30   (  70.50, 137.44) 07/09/2019   02:38:37  (  70.51, 137.38)    2.62                67
 07/09/2019   03:28:13   ( -70.44, -55.15) 07/09/2019   03:28:07  ( -70.41, -55.14)    3.39                 6
 07/09/2019   04:18:50   (  70.02, 112.82) 07/09/2019   04:17:38  (  70.08, 112.02)   30.94                72