Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 12 6.  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   (  74.61,  76.13) 12/08/2023   06:56:12  (  74.61,  76.22)    2.72                61
 12/08/2023   07:45:53   ( -74.51,-116.27) 12/08/2023   07:45:36  ( -74.53,-116.33)    2.46                17
 12/10/2023   18:59:03   ( -74.57,  75.30) 12/10/2023   18:59:38  ( -74.57,  75.24)    1.91                35
 12/10/2023   19:49:49   (  74.53,-117.26) 12/10/2023   19:49:00  (  74.53,-117.20)    1.71                49
 12/13/2023   06:12:25   ( -75.17, -94.65) 12/13/2023   06:13:32  ( -75.05, -92.12)   73.50                67
 12/13/2023   07:02:59   (  74.55,  74.42) 12/13/2023   07:03:03  (  74.55,  74.29)    3.75                 4
 12/13/2023   07:53:40   ( -74.40,-117.84) 12/13/2023   07:52:27  ( -74.46,-118.26)   14.06                73
 12/15/2023   18:16:10   (  74.64, -94.06) 12/15/2023   18:17:04  (  74.64, -94.03)    0.91                54
 12/15/2023   19:06:53   ( -74.57,  73.43) 12/15/2023   19:06:28  ( -74.55,  73.42)    2.47                25
 12/18/2023   06:20:03   ( -74.61, -94.92) 12/18/2023   06:20:29  ( -74.61, -94.97)    1.46                26