Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 3 30.  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)
 03/31/2022   23:46:49   ( -71.18,   3.08) 03/31/2022   23:47:47  ( -71.20,   3.11)    2.85                58
 04/01/2022   00:37:35   (  71.11, 170.51) 04/01/2022   00:37:14  (  71.10, 170.60)    3.08                21
 04/01/2022   01:28:04   ( -70.33, -20.88) 04/01/2022   01:26:56  ( -70.33, -22.94)   77.07                68
 04/03/2022   15:13:57   (  71.16, -48.65) 04/03/2022   15:14:41  (  71.19, -48.66)    3.46                44
 04/03/2022   16:04:40   ( -71.10, 118.77) 04/03/2022   16:04:11  ( -71.07, 118.79)    3.15                29
 04/06/2022   06:41:04   ( -71.21,-100.48) 04/06/2022   06:41:38  ( -71.20,-100.40)    2.96                34
 04/06/2022   07:31:49   (  71.09,  67.02) 04/06/2022   07:31:05  (  71.10,  67.08)    2.14                44
 04/08/2022   22:08:12   (  71.16,-152.16) 04/08/2022   22:08:33  (  71.15,-152.23)    2.62                21
 04/08/2022   22:58:55   ( -71.08,  15.28) 04/08/2022   22:58:02  ( -71.09,  15.31)    1.51                53
 04/11/2022   12:44:44   (  71.69, -12.19) 04/11/2022   12:45:54  (  71.57, -10.95)   45.61                70
 04/11/2022   13:35:19   ( -71.20, 156.02) 04/11/2022   13:35:29  ( -71.19, 156.07)    2.31                10
 04/11/2022   14:26:03   (  71.05, -36.42) 04/11/2022   14:24:56  (  71.07, -36.46)    3.01                67