Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 1 28.  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)
 01/30/2022   06:54:51   ( -71.09,-104.23) 01/30/2022   06:56:03  ( -71.01,-103.78)   18.94                72
 01/30/2022   07:45:32   (  70.81,  63.55) 01/30/2022   07:45:32  (  70.80,  63.55)    1.52                 0
 01/30/2022   08:36:15   ( -70.70,-128.96) 01/30/2022   08:35:02  ( -70.68,-129.00)    2.63                73
 02/01/2022   22:21:58   (  70.93,-155.73) 02/01/2022   22:23:02  (  70.92,-155.66)    2.53                64
 02/01/2022   23:12:41   ( -70.82,  11.76) 02/01/2022   23:12:32  ( -70.81,  11.80)    1.72                 9
 02/02/2022   00:03:16   (  70.22,-179.96) 02/02/2022   00:02:06  (  70.32, 178.71)   50.84                70
 02/04/2022   13:49:06   ( -70.89, 152.57) 02/04/2022   13:50:03  ( -70.87, 152.49)    3.21                57
 02/04/2022   14:39:51   (  70.81, -40.00) 02/04/2022   14:39:29  (  70.82, -39.94)    2.13                22
 02/04/2022   15:30:19   ( -69.92, 128.73) 02/04/2022   15:29:12  ( -70.00, 126.49)   85.91                67
 02/07/2022   05:16:16   (  70.88, 100.80) 02/07/2022   05:17:00  (  70.87, 100.74)    2.52                44
 02/07/2022   06:06:59   ( -70.78, -91.71) 02/07/2022   06:06:30  ( -70.77, -91.79)    3.32                29
 02/09/2022   20:43:24   ( -70.90,  49.00) 02/09/2022   20:43:58  ( -70.92,  49.05)    2.92                34
 02/09/2022   21:34:09   (  70.83,-143.56) 02/09/2022   21:33:25  (  70.81,-143.47)    3.59                44