Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2020 3 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)
 04/02/2020   01:22:56   (  71.04, 155.24) 04/02/2020   01:24:06  (  70.88, 156.37)   44.43                70
 04/02/2020   02:13:30   ( -70.53, -36.59) 04/02/2020   02:13:41  ( -70.50, -36.57)    2.79                11
 04/02/2020   03:04:13   (  70.41, 130.91) 04/02/2020   03:03:08  (  70.39, 130.92)    1.35                65
 04/04/2020   17:39:22   (  71.13, -89.00) 04/04/2020   17:40:31  (  71.01, -87.56)   53.70                69
 04/04/2020   18:29:54   ( -70.51,  79.34) 04/04/2020   18:30:08  ( -70.52,  79.33)    1.30                14
 04/04/2020   19:20:37   (  70.39,-113.15) 04/04/2020   19:19:35  (  70.41,-113.18)    2.42                62
 04/07/2020   09:55:48   (  71.21,  26.76) 04/07/2020   09:56:56  (  71.12,  28.51)   63.67                68
 04/07/2020   10:46:19   ( -70.54,-164.81) 04/07/2020   10:46:35  ( -70.53,-164.77)    1.87                16
 04/07/2020   11:37:02   (  70.42,   2.70) 04/07/2020   11:36:02  (  70.42,   2.71)    0.85                60
 04/10/2020   02:12:13   (  71.30, 142.51) 04/10/2020   02:13:21  (  71.18, 144.49)   71.73                68
 04/10/2020   03:02:42   ( -70.52, -48.87) 04/10/2020   03:03:01  ( -70.54, -48.87)    1.74                19
 04/10/2020   03:53:25   (  70.40, 118.63) 04/10/2020   03:52:28  (  70.42, 118.60)    2.25                57
 04/12/2020   18:28:39   (  71.38,-101.73) 04/12/2020   18:29:46  (  71.30, -99.46)   81.71                67
 04/12/2020   19:19:07   ( -70.56,  66.97) 04/12/2020   19:19:28  ( -70.54,  67.01)    2.28                21
 04/12/2020   20:09:50   (  70.44,-125.52) 04/12/2020   20:08:55  (  70.42,-125.52)    1.71                55