Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 3 25.  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)
 03/26/2022   16:52:40   ( -71.51, 106.02) 03/26/2022   16:53:51  ( -71.38, 106.90)   34.27                71
 03/26/2022   17:43:19   (  71.07, -85.90) 03/26/2022   17:43:22  (  71.06, -85.96)    2.28                 3
 03/26/2022   18:34:01   ( -70.97,  81.59) 03/26/2022   18:32:51  ( -70.99,  81.57)    2.87                70
 03/29/2022   08:19:42   (  71.16,  54.86) 03/29/2022   08:20:49  (  71.19,  54.84)    2.54                67
 03/29/2022   09:10:24   ( -71.06,-137.64) 03/29/2022   09:10:19  ( -71.07,-137.71)    2.81                 5
 03/29/2022   10:01:02   (  70.57,  30.49) 03/29/2022   09:59:52  (  70.64,  29.28)   45.37                70
 03/31/2022   23:46:49   ( -71.20,   3.04) 03/31/2022   23:47:47  ( -71.18,   3.08)    2.54                58
 04/01/2022   00:37:34   (  71.09, 170.55) 04/01/2022   00:37:14  (  71.08, 170.56)    0.92                20
 04/01/2022   01:28:03   ( -70.30, -20.83) 04/01/2022   01:26:55  ( -70.36, -22.88)   77.18                68
 04/03/2022   15:13:58   (  71.19, -48.70) 04/03/2022   15:14:42  (  71.18, -48.67)    1.45                44
 04/03/2022   16:04:40   ( -71.07, 118.82) 04/03/2022   16:04:12  ( -71.07, 118.78)    1.29                28
 04/06/2022   06:41:04   ( -71.17,-100.43) 04/06/2022   06:41:40  ( -71.16,-100.46)    1.64                36
 04/06/2022   07:31:49   (  71.07,  67.06) 04/06/2022   07:31:07  (  71.05,  67.01)    2.79                42