Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 12 8.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/08/2023   06:55:10   (  74.59,  76.18) 12/08/2023   06:56:12  (  74.58,  76.15)    1.78                62
 12/08/2023   07:45:53   ( -74.54,-116.36) 12/08/2023   07:45:35  ( -74.54,-116.29)    2.17                18
 12/10/2023   18:59:04   ( -74.60,  75.22) 12/10/2023   18:59:38  ( -74.60,  75.31)    2.58                34
 12/10/2023   19:49:49   (  74.51,-117.21) 12/10/2023   19:49:01  (  74.51,-117.25)    1.36                48
 12/13/2023   06:12:26   ( -75.19, -94.73) 12/13/2023   06:13:32  ( -75.10, -91.99)   78.76                66
 12/13/2023   07:03:00   (  74.58,  74.35) 12/13/2023   07:03:04  (  74.55,  74.30)    3.37                 4
 12/13/2023   07:53:41   ( -74.42,-117.92) 12/13/2023   07:52:28  ( -74.46,-118.25)   10.96                73
 12/15/2023   18:16:10   (  74.61, -93.98) 12/15/2023   18:17:06  (  74.62, -94.07)    3.23                56
 12/15/2023   19:06:54   ( -74.59,  73.37) 12/15/2023   19:06:29  ( -74.59,  73.50)    3.72                25
 12/18/2023   06:20:03   ( -74.63, -94.96) 12/18/2023   06:20:30  ( -74.64, -94.91)    2.06                27
 12/18/2023   07:10:48   (  74.54,  72.58) 12/18/2023   07:09:53  (  74.55,  72.52)    2.01                55
 12/20/2023   17:33:18   ( -74.90,  96.02) 12/20/2023   17:34:29  ( -74.83,  97.01)   29.93                71
 12/20/2023   18:23:59   (  74.63, -95.91) 12/20/2023   18:23:54  (  74.63, -95.82)    2.77                 5