Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 12 7.  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   06:55:11   (  74.62,  76.11) 12/08/2023   06:56:12  (  74.60,  76.20)    3.28                61
 12/08/2023   07:45:53   ( -74.52,-116.30) 12/08/2023   07:45:36  ( -74.52,-116.35)    1.60                17
 12/10/2023   18:59:04   ( -74.58,  75.29) 12/10/2023   18:59:39  ( -74.57,  75.23)    1.88                35
 12/10/2023   19:49:50   (  74.53,-117.28) 12/10/2023   19:49:01  (  74.53,-117.21)    2.13                49
 12/13/2023   06:12:25   ( -75.17, -94.66) 12/13/2023   06:13:32  ( -75.06, -92.09)   74.25                67
 12/13/2023   07:02:59   (  74.55,  74.41) 12/13/2023   07:03:03  (  74.56,  74.32)    2.73                 4
 12/13/2023   07:53:40   ( -74.40,-117.85) 12/13/2023   07:52:27  ( -74.47,-118.23)   13.80                73
 12/15/2023   18:16:10   (  74.63, -94.05) 12/15/2023   18:17:05  (  74.62, -94.08)    1.93                55
 12/15/2023   19:06:53   ( -74.57,  73.44) 12/15/2023   19:06:28  ( -74.58,  73.49)    1.85                25
 12/18/2023   06:20:03   ( -74.60, -94.89) 12/18/2023   06:20:30  ( -74.62, -94.97)    2.78                27
 12/18/2023   07:10:49   (  74.56,  72.52) 12/18/2023   07:09:52  (  74.57,  72.59)    2.21                57
 12/20/2023   17:33:18   ( -74.88,  96.09) 12/20/2023   17:34:30  ( -74.73,  96.77)   25.76                72
 12/20/2023   18:23:59   (  74.61, -95.84) 12/20/2023   18:23:53  (  74.63, -95.80)    3.28                 6