Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2020 7 24.  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)
 07/26/2020   08:30:28   (  70.53,  49.45) 07/26/2020   08:30:53  (  70.55,  49.37)    3.60                25
 07/26/2020   09:21:11   ( -70.49,-143.16) 07/26/2020   09:20:22  ( -70.49,-143.08)    2.88                49
 07/29/2020   00:46:52   (  70.58, 165.29) 07/29/2020   00:47:22  (  70.59, 165.32)    1.93                30
 07/29/2020   01:37:34   ( -70.48, -27.24) 07/29/2020   01:36:52  ( -70.48, -27.21)    0.90                42
 07/31/2020   17:03:14   (  70.57, -78.79) 07/31/2020   17:03:51  (  70.58, -78.82)    1.54                37
 07/31/2020   17:53:56   ( -70.47,  88.69) 07/31/2020   17:53:21  ( -70.47,  88.65)    1.32                35
 08/03/2020   09:19:38   (  70.62,  37.05) 08/03/2020   09:20:20  (  70.62,  37.12)    2.52                42
 08/03/2020   10:10:20   ( -70.52,-155.47) 08/03/2020   10:09:50  ( -70.52,-155.40)    2.62                30
 08/06/2020   01:36:01   (  70.61, 152.97) 08/06/2020   01:36:50  (  70.60, 152.97)    1.54                49
 08/06/2020   02:26:43   ( -70.51, -39.55) 08/06/2020   02:26:20  ( -70.50, -39.54)    1.44                23