Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2020 5 30.  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)
 05/31/2020   01:04:56   (  70.54, 160.66) 05/31/2020   01:05:27  (  70.56, 160.63)    1.83                31
 05/31/2020   01:55:36   ( -70.45, -31.87) 05/31/2020   01:54:56  ( -70.45, -31.89)    1.06                40
 06/02/2020   17:21:19   (  70.57, -83.47) 06/02/2020   17:21:55  (  70.59, -83.44)    2.66                36
 06/02/2020   18:12:00   ( -70.46,  84.01) 06/02/2020   18:11:25  ( -70.48,  84.04)    2.09                35
 06/05/2020   09:37:43   (  70.59,  32.40) 06/05/2020   09:38:25  (  70.56,  32.41)    3.11                42
 06/05/2020   10:28:24   ( -70.48,-160.11) 06/05/2020   10:27:55  ( -70.46,-160.11)    2.72                29
 06/08/2020   01:54:06   (  70.57, 148.35) 06/08/2020   01:54:54  (  70.59, 148.34)    3.28                48
 06/08/2020   02:44:48   ( -70.51, -44.23) 06/08/2020   02:44:24  ( -70.49, -44.18)    2.43                24
 06/10/2020   18:10:29   (  70.59, -95.78) 06/10/2020   18:11:23  (  70.57, -95.81)    2.66                54
 06/10/2020   19:01:10   ( -70.48,  71.73) 06/10/2020   19:00:53  ( -70.47,  71.67)    2.10                17