Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 4 27.  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)
 04/28/2022   11:41:02   ( -71.85,-176.41) 04/28/2022   11:41:55  ( -71.87,-176.42)    1.56                53
 04/28/2022   12:31:47   (  71.78,  -8.97) 04/28/2022   12:31:22  (  71.77,  -8.94)    1.63                25
 05/01/2022   03:08:08   (  71.85, 131.84) 05/01/2022   03:08:54  (  71.83, 131.77)    3.21                46
 05/01/2022   03:58:52   ( -71.79, -60.74) 05/01/2022   03:58:23  ( -71.77, -60.70)    2.99                29
 05/03/2022   18:35:14   ( -71.86,  80.07) 05/03/2022   18:35:55  ( -71.86,  80.08)    0.56                41
 05/03/2022   19:25:58   (  71.75,-112.42) 05/03/2022   19:25:22  (  71.76,-112.45)    1.59                36
 05/06/2022   10:02:20   (  71.83,  28.37) 05/06/2022   10:02:54  (  71.84,  28.30)    2.28                34
 05/06/2022   10:53:04   ( -71.76,-164.19) 05/06/2022   10:52:23  ( -71.78,-164.16)    2.56                41
 05/09/2022   01:29:26   ( -71.85, -23.41) 05/09/2022   01:29:55  ( -71.85, -23.44)    1.10                29
 05/09/2022   02:20:10   (  71.75, 144.08) 05/09/2022   02:19:22  (  71.74, 144.03)    2.10                48