Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 6 15.  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)
 06/17/2022   17:15:44   (  71.95, -79.82) 06/17/2022   17:16:02  (  71.94, -79.75)    2.56                18
 06/17/2022   18:06:26   ( -71.82,  87.75) 06/17/2022   18:05:32  ( -71.82,  87.68)    2.55                54
 06/20/2022   07:52:19   (  72.77,  59.49) 06/20/2022   07:53:25  (  72.69,  62.21)   90.12                66
 06/20/2022   08:42:47   ( -71.92,-131.50) 06/20/2022   08:43:07  ( -71.93,-131.53)    1.62                20
 06/20/2022   09:33:32   (  71.83,  35.97) 06/20/2022   09:32:34  (  71.84,  35.95)    1.24                58
 06/22/2022   23:19:23   ( -72.79,   7.70) 06/22/2022   23:20:29  ( -72.72,  10.50)   92.46                66
 06/23/2022   00:09:53   (  71.94, 176.72) 06/23/2022   00:10:09  (  71.93, 176.70)    1.27                16
 06/23/2022   01:00:36   ( -71.86, -15.82) 06/23/2022   00:59:38  ( -71.87, -15.76)    2.17                58
 06/25/2022   14:46:26   (  72.66, -43.77) 06/25/2022   14:47:33  (  72.59, -41.50)   75.86                67
 06/25/2022   15:36:56   ( -71.92, 125.01) 06/25/2022   15:37:13  ( -71.94, 124.97)    3.25                17
 06/25/2022   16:27:41   (  71.82, -67.50) 06/25/2022   16:26:40  (  71.84, -67.56)    2.91                61
 06/28/2022   06:13:30   ( -72.69, -95.58) 06/28/2022   06:14:37  ( -72.59, -93.26)   77.95                67
 06/28/2022   07:04:02   (  71.94,  73.23) 06/28/2022   07:04:14  (  71.95,  73.23)    1.68                12
 06/28/2022   07:54:45   ( -71.86,-119.31) 06/28/2022   07:53:44  ( -71.85,-119.32)    1.75                61