Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2020 9 29.  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)
 10/01/2020   09:01:23   (  70.63,  41.78) 10/01/2020   09:02:08  (  70.65,  41.77)    2.91                45
 10/01/2020   09:52:04   ( -70.53,-150.74) 10/01/2020   09:51:38  ( -70.54,-150.77)    1.59                26
 10/04/2020   01:17:46   (  70.66, 157.65) 10/04/2020   01:18:38  (  70.63, 157.61)    3.27                52
 10/04/2020   02:08:27   ( -70.56, -34.86) 10/04/2020   02:08:07  ( -70.58, -34.84)    2.60                20
 10/04/2020   02:58:55   (  69.60, 133.92) 10/04/2020   02:57:49  (  69.65, 131.48)   94.46                66
 10/06/2020   17:34:09   (  70.69, -86.48) 10/06/2020   17:35:07  (  70.66, -86.46)    3.17                58
 10/06/2020   18:24:50   ( -70.58,  81.01) 10/06/2020   18:24:37  ( -70.55,  81.01)    2.98                13
 10/06/2020   19:15:22   (  69.84,-110.53) 10/06/2020   19:14:14  (  69.90,-112.29)   67.89                68
 10/09/2020   09:50:31   (  70.67,  29.47) 10/09/2020   09:51:36  (  70.69,  29.46)    2.01                65
 10/09/2020   10:41:12   ( -70.56,-163.03) 10/09/2020   10:41:06  ( -70.58,-163.07)    3.28                 6
 10/09/2020   11:31:49   (  70.09,   5.02) 10/09/2020   11:30:39  (  70.14,   3.93)   41.45                70
 10/12/2020   02:06:53   (  70.70, 145.33) 10/12/2020   02:08:04  (  70.71, 145.37)    1.70                71
 10/12/2020   02:57:34   ( -70.59, -47.16) 10/12/2020   02:57:34  ( -70.61, -47.15)    2.50                 0
 10/12/2020   03:48:15   (  70.33, 120.55) 10/12/2020   03:47:03  (  70.39, 120.17)   15.52                72