Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 1 26.  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)
 01/27/2022   15:27:49   (  71.41, -53.04) 01/27/2022   15:28:58  (  71.30, -51.54)   54.58                69
 01/27/2022   16:18:22   ( -70.78, 115.37) 01/27/2022   16:18:35  ( -70.80, 115.31)    3.12                13
 01/27/2022   17:09:07   (  70.71, -77.21) 01/27/2022   17:08:02  (  70.70, -77.20)    1.38                65
 01/30/2022   06:54:52   ( -71.10,-104.26) 01/30/2022   06:56:03  ( -71.05,-103.71)   20.92                71
 01/30/2022   07:45:32   (  70.78,  63.60) 01/30/2022   07:45:33  (  70.78,  63.52)    2.94                 1
 01/30/2022   08:36:16   ( -70.72,-128.99) 01/30/2022   08:35:02  ( -70.72,-128.94)    1.95                74
 02/01/2022   22:21:58   (  70.90,-155.68) 02/01/2022   22:23:03  (  70.90,-155.69)    0.83                65
 02/01/2022   23:12:40   ( -70.79,  11.82) 02/01/2022   23:12:32  ( -70.79,  11.77)    1.80                 8
 02/02/2022   00:03:16   (  70.24,-180.00) 02/02/2022   00:02:06  (  70.30, 178.69)   49.67                70
 02/04/2022   13:49:06   ( -70.91, 152.53) 02/04/2022   13:50:02  ( -70.91, 152.56)    1.06                56
 02/04/2022   14:39:50   (  70.79, -39.95) 02/04/2022   14:39:29  (  70.80, -39.97)    1.84                21
 02/04/2022   15:30:19   ( -69.94, 128.70) 02/04/2022   15:29:12  ( -69.98, 126.47)   84.95                67
 02/07/2022   05:16:16   (  70.91, 100.76) 02/07/2022   05:16:59  (  70.91, 100.81)    1.80                43
 02/07/2022   06:06:59   ( -70.80, -91.75) 02/07/2022   06:06:29  ( -70.81, -91.72)    1.05                30