Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 6 4.  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)
 06/04/2022   12:00:20   ( -71.90, 179.00) 06/04/2022   12:00:44  ( -71.92, 179.02)    1.97                24
 06/04/2022   12:51:05   (  71.83, -13.56) 06/04/2022   12:50:11  (  71.83, -13.49)    2.64                54
 06/07/2022   03:27:25   (  71.92, 127.22) 06/07/2022   03:27:47  (  71.89, 127.21)    3.01                22
 06/07/2022   04:18:08   ( -71.82, -65.28) 06/07/2022   04:17:16  ( -71.83, -65.26)    1.61                52
 06/09/2022   18:54:29   ( -71.91,  75.49) 06/09/2022   18:54:53  ( -71.89,  75.43)    3.24                24
 06/09/2022   19:45:14   (  71.84,-117.07) 06/09/2022   19:44:19  (  71.85,-116.99)    2.64                55
 06/12/2022   10:21:35   (  71.93,  23.70) 06/12/2022   10:21:55  (  71.94,  23.77)    2.74                20
 06/12/2022   11:12:18   ( -71.83,-168.80) 06/12/2022   11:11:25  ( -71.83,-168.78)    0.53                53
 06/15/2022   01:48:39   ( -71.94, -28.04) 06/15/2022   01:49:01  ( -71.92, -28.03)    1.27                22
 06/15/2022   02:39:23   (  71.81, 139.50) 06/15/2022   02:38:28  (  71.82, 139.44)    2.48                55
 06/17/2022   17:15:43   (  71.91, -79.75) 06/17/2022   17:16:03  (  71.90, -79.82)    2.83                20
 06/17/2022   18:06:27   ( -71.87,  87.65) 06/17/2022   18:05:32  ( -71.85,  87.72)    3.21                55