Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 10 13.  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)
 10/14/2022   15:42:18   (  72.39, -56.15) 10/14/2022   15:43:30  (  72.33, -55.87)   11.56                72
 10/14/2022   16:32:58   ( -72.20, 111.55) 10/14/2022   16:32:59  ( -72.21, 111.55)    1.67                 1
 10/14/2022   17:23:40   (  71.97, -80.70) 10/14/2022   17:22:27  (  72.06, -81.07)   16.40                73
 10/17/2022   07:09:17   ( -72.39,-107.86) 10/17/2022   07:10:29  ( -72.35,-107.58)   10.31                72
 10/17/2022   08:00:00   (  72.21,  59.79) 10/17/2022   07:59:57  (  72.21,  59.80)    0.67                 3
 10/17/2022   08:50:41   ( -72.02,-132.52) 10/17/2022   08:49:27  ( -72.09,-132.78)   11.79                74
 10/19/2022   22:36:17   (  72.31,-159.43) 10/19/2022   22:37:27  (  72.32,-159.37)    2.64                70
 10/19/2022   23:27:00   ( -72.22,   8.06) 10/19/2022   23:26:57  ( -72.21,   8.05)    1.24                 3
 10/20/2022   00:17:39   (  71.83, 176.10) 10/20/2022   00:16:28  (  71.89, 175.14)   33.89                71
 10/22/2022   14:03:17   ( -72.33, 148.81) 10/22/2022   14:04:27  ( -72.30, 148.85)    2.77                70
 10/22/2022   14:54:01   (  72.20, -43.63) 10/22/2022   14:53:54  (  72.20, -43.69)    2.25                 7
 10/22/2022   15:44:39   ( -71.86, 124.34) 10/22/2022   15:43:27  ( -71.93, 123.46)   31.60                72
 10/25/2022   05:30:18   (  72.31,  97.11) 10/25/2022   05:31:23  (  72.33,  97.15)    2.22                65
 10/25/2022   06:21:01   ( -72.23, -95.41) 10/25/2022   06:20:53  ( -72.22, -95.41)    1.37                 8