Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2020 5 25.  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)
 05/28/2020   08:48:32   (  70.54,  44.75) 05/28/2020   08:48:57  (  70.55,  44.75)    1.55                25
 05/28/2020   09:39:13   ( -70.44,-147.77) 05/28/2020   09:38:27  ( -70.44,-147.78)    0.44                46
 05/31/2020   01:04:56   (  70.56, 160.63) 05/31/2020   01:05:26  (  70.58, 160.67)    2.38                30
 05/31/2020   01:55:37   ( -70.46, -31.89) 05/31/2020   01:54:56  ( -70.47, -31.86)    1.72                41
 06/02/2020   17:21:20   (  70.58, -83.49) 06/02/2020   17:21:55  (  70.60, -83.42)    3.44                35
 06/02/2020   18:12:01   ( -70.47,  84.00) 06/02/2020   18:11:25  ( -70.49,  84.06)    3.23                36
 06/05/2020   09:37:42   (  70.55,  32.47) 06/05/2020   09:38:24  (  70.56,  32.41)    2.81                42
 06/05/2020   10:28:24   ( -70.49,-160.12) 06/05/2020   10:27:54  ( -70.46,-160.11)    3.15                30
 06/08/2020   01:54:06   (  70.57, 148.35) 06/08/2020   01:54:53  (  70.58, 148.32)    1.51                47
 06/08/2020   02:44:48   ( -70.50, -44.23) 06/08/2020   02:44:23  ( -70.48, -44.20)    3.21                25