Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 3 31.  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  ( -71.21,   3.11)    3.06                58
 04/01/2022   00:37:35   (  71.11, 170.51) 04/01/2022   00:37:14  (  71.11, 170.60)    3.12                21
 04/01/2022   01:28:04   ( -70.33, -20.88) 04/01/2022   01:26:56  ( -70.33, -22.93)   77.03                68
 04/03/2022   15:13:57   (  71.16, -48.65) 04/03/2022   15:14:41  (  71.19, -48.66)    3.19                44
 04/03/2022   16:04:39   ( -71.05, 118.86) 04/03/2022   16:04:11  ( -71.07, 118.78)    3.35                28
 04/06/2022   06:41:04   ( -71.21,-100.49) 04/06/2022   06:41:38  ( -71.19,-100.42)    3.08                34
 04/06/2022   07:31:49   (  71.10,  67.01) 04/06/2022   07:31:05  (  71.08,  67.06)    2.11                44
 04/08/2022   22:08:12   (  71.16,-152.17) 04/08/2022   22:08:32  (  71.18,-152.18)    2.12                20
 04/08/2022   22:58:55   ( -71.09,  15.27) 04/08/2022   22:58:02  ( -71.07,  15.28)    2.41                53
 04/11/2022   12:44:43   (  71.65, -12.10) 04/11/2022   12:45:53  (  71.58, -10.92)   42.13                70
 04/11/2022   13:35:18   ( -71.15, 156.09) 04/11/2022   13:35:29  ( -71.15, 156.01)    3.07                11
 04/11/2022   14:26:03   (  71.05, -36.43) 04/11/2022   14:24:55  (  71.09, -36.44)    3.58                68