Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 4 8.  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)
 04/08/2022   22:08:12   (  71.17,-152.19) 04/08/2022   22:08:46  (  71.16,-152.28)    3.59                34
 04/08/2022   22:58:55   ( -71.11,  15.24) 04/08/2022   22:58:15  ( -71.09,  15.25)    2.23                40
 04/11/2022   13:35:18   ( -71.18, 156.05) 04/11/2022   13:35:47  ( -71.20, 156.01)    2.69                29
 04/11/2022   14:26:04   (  71.12, -36.55) 04/11/2022   14:25:14  (  71.10, -36.50)    3.24                50
 04/14/2022   05:02:26   (  71.21, 104.24) 04/14/2022   05:02:45  (  71.18, 104.22)    3.19                19
 04/14/2022   05:53:09   ( -71.13, -88.31) 04/14/2022   05:52:14  ( -71.12, -88.25)    2.59                55
 04/16/2022   19:38:59   (  71.81,-115.93) 04/16/2022   19:40:08  (  71.72,-114.31)   57.08                69
 04/16/2022   20:29:32   ( -71.21,  52.48) 04/16/2022   20:29:45  ( -71.23,  52.52)    2.36                13
 04/16/2022   21:20:17   (  71.12,-140.06) 04/16/2022   21:19:12  (  71.12,-140.01)    1.88                65
 04/19/2022   11:06:01   ( -71.61,-167.29) 04/19/2022   11:07:12  ( -71.52,-166.41)   32.46                71
 04/19/2022   11:56:40   (  71.22,   0.71) 04/19/2022   11:56:43  (  71.20,   0.71)    1.90                 3
 04/19/2022   12:47:23   ( -71.12, 168.19) 04/19/2022   12:46:13  ( -71.09, 168.17)    3.55                70
 04/22/2022   02:33:03   (  71.32, 141.47) 04/22/2022   02:34:13  (  71.30, 141.47)    1.67                70
 04/22/2022   03:23:46   ( -71.22, -51.04) 04/22/2022   03:23:43  ( -71.20, -51.06)    2.32                 3
 04/22/2022   04:14:25   (  70.83, 116.93) 04/22/2022   04:13:14  (  70.87, 116.07)   31.66                71