Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 12 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)
 12/16/2022   23:13:25   (  72.46,-168.40) 12/16/2022   23:14:36  (  72.48,-168.43)    3.12                71
 12/17/2022   00:04:08   ( -72.38,  -0.93) 12/17/2022   00:04:05  ( -72.41,  -0.92)    3.60                 3
 12/17/2022   00:54:48   (  72.01, 167.10) 12/17/2022   00:53:37  (  72.06, 166.08)   35.50                71
 12/19/2022   14:40:43   ( -72.47, 139.78) 12/19/2022   14:41:38  ( -72.46, 139.77)    1.16                55
 12/19/2022   15:31:28   (  72.36, -52.69) 12/19/2022   15:31:05  (  72.37, -52.76)    2.19                23
 12/22/2022   06:08:03   (  72.46,  88.00) 12/22/2022   06:08:37  (  72.45,  88.00)    1.76                34
 12/22/2022   06:58:46   ( -72.38,-104.51) 12/22/2022   06:58:06  ( -72.38,-104.48)    1.45                40
 12/24/2022   20:44:50   (  73.22,-132.73) 12/24/2022   20:45:56  (  73.14,-130.04)   86.99                66
 12/24/2022   21:35:19   ( -72.42,  36.28) 12/24/2022   21:35:37  ( -72.45,  36.25)    2.89                18
 12/24/2022   22:26:04   (  72.33,-156.22) 12/24/2022   22:25:04  (  72.35,-156.29)    3.36                60
 12/27/2022   12:11:56   ( -72.63, 176.75) 12/27/2022   12:13:08  ( -72.55, 177.05)   13.32                72
 12/27/2022   13:02:39   (  72.44, -15.55) 12/27/2022   13:02:35  (  72.45, -15.50)    1.85                 4