Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 9 9.  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)
 09/10/2022   06:50:57   ( -72.49,-103.85) 09/10/2022   06:52:08  ( -72.36,-102.97)   32.80                71
 09/10/2022   07:41:36   (  72.13,  64.18) 09/10/2022   07:41:38  (  72.12,  64.23)    2.61                 2
 09/10/2022   08:32:19   ( -72.02,-128.29) 09/10/2022   08:31:08  ( -72.00,-128.35)    3.32                71
 09/12/2022   22:18:00   (  72.49,-155.58) 09/12/2022   22:19:11  (  72.34,-154.77)   32.28                71
 09/12/2022   23:08:38   ( -72.12,  12.47) 09/12/2022   23:08:43  ( -72.12,  12.46)    0.50                 5
 09/12/2022   23:59:22   (  72.02, 179.97) 09/12/2022   23:58:10  (  72.02, 179.94)    1.20                72
 09/15/2022   13:45:02   ( -72.53, 152.61) 09/15/2022   13:46:13  ( -72.44, 153.65)   36.15                71
 09/15/2022   14:35:40   (  72.13, -39.28) 09/15/2022   14:35:44  (  72.13, -39.27)    0.37                 4
 09/15/2022   15:26:24   ( -72.06, 128.17) 09/15/2022   15:25:13  ( -72.07, 128.26)    3.51                71
 09/18/2022   05:12:05   (  72.55, 100.84) 09/18/2022   05:13:15  (  72.44, 101.89)   37.15                70
 09/18/2022   06:02:42   ( -72.12, -90.99) 09/18/2022   06:02:49  ( -72.12, -91.06)    2.51                 7
 09/18/2022   06:53:27   (  72.07,  76.40) 09/18/2022   06:52:15  (  72.07,  76.50)    3.35                72
 09/20/2022   20:39:08   ( -72.58,  49.03) 09/20/2022   20:40:19  ( -72.47,  50.18)   40.38                71
 09/20/2022   21:29:45   (  72.14,-142.77) 09/20/2022   21:29:50  (  72.15,-142.75)    1.49                 5
 09/20/2022   22:20:29   ( -72.06,  24.69) 09/20/2022   22:19:20  ( -72.05,  24.69)    1.75                69