Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 2 4.  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)
 02/06/2023   06:14:55   ( -72.86, -93.99) 02/06/2023   06:15:59  ( -72.87, -93.94)    2.03                64
 02/06/2023   07:05:39   (  72.75,  73.56) 02/06/2023   07:05:23  (  72.75,  73.48)    2.59                16
 02/08/2023   18:19:17   (  73.32, -96.02) 02/08/2023   18:20:26  (  73.21, -94.43)   52.40                69
 02/08/2023   19:09:52   ( -72.80,  72.43) 02/08/2023   19:09:57  ( -72.83,  72.47)    3.36                 5
 02/08/2023   20:00:34   (  72.58,-119.81) 02/08/2023   19:59:22  (  72.64,-120.22)   15.12                72
 02/11/2023   07:14:05   (  72.81,  71.38) 02/11/2023   07:14:30  (  72.82,  71.29)    2.75                25
 02/11/2023   08:04:49   ( -72.75,-121.17) 02/11/2023   08:03:55  ( -72.76,-121.16)    1.74                54
 02/13/2023   19:18:18   ( -72.88,  70.21) 02/13/2023   19:19:04  ( -72.87,  70.22)    1.74                46
 02/13/2023   20:09:02   (  72.77,-122.23) 02/13/2023   20:08:27  (  72.77,-122.30)    2.08                35
 02/16/2023   07:22:30   (  72.91,  69.13) 02/16/2023   07:23:34  (  72.90,  69.14)    1.00                64
 02/16/2023   08:13:13   ( -72.79,-123.31) 02/16/2023   08:13:00  ( -72.81,-123.39)    3.30                13