Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 7 16.  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)
 07/18/2023   18:28:49   ( -73.15,  84.08) 07/18/2023   18:29:21  ( -73.17,  84.05)    2.06                32
 07/18/2023   19:19:35   (  73.10,-108.49) 07/18/2023   19:18:48  (  73.09,-108.48)    1.38                47
 07/21/2023   09:55:59   (  73.15,  32.33) 07/21/2023   09:56:22  (  73.15,  32.27)    1.95                23
 07/21/2023   10:46:42   ( -73.09,-160.21) 07/21/2023   10:45:51  ( -73.09,-160.23)    0.78                51
 07/24/2023   00:32:37   (  73.96, 171.38) 07/24/2023   00:33:42  (  73.88, 174.43)   94.35                65
 07/24/2023   01:23:06   ( -73.20, -19.51) 07/24/2023   01:23:23  ( -73.19, -19.41)    3.26                17
 07/24/2023   02:13:51   (  73.09, 148.03) 07/24/2023   02:12:50  (  73.10, 148.05)    0.91                61
 07/26/2023   15:59:40   ( -73.76, 120.12) 07/26/2023   16:00:48  ( -73.69, 122.25)   66.63                68
 07/26/2023   16:50:15   (  73.16, -71.18) 07/26/2023   16:50:23  (  73.18, -71.18)    1.80                 8
 07/26/2023   17:40:58   ( -73.09,  96.29) 07/26/2023   17:39:52  ( -73.12,  96.33)    2.93                66
 07/29/2023   07:26:43   (  73.43,  69.14) 07/29/2023   07:27:54  (  73.34,  69.76)   22.44                71
 07/29/2023   08:17:22   ( -73.17,-122.93) 07/29/2023   08:17:25  ( -73.18,-122.94)    1.09                 3