Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 4 13.  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)
 04/14/2022   05:02:26   (  71.18, 104.29) 04/14/2022   05:02:46  (  71.18, 104.22)    2.66                20
 04/14/2022   05:53:09   ( -71.11, -88.28) 04/14/2022   05:52:15  ( -71.12, -88.25)    0.96                54
 04/16/2022   19:39:01   (  71.88,-116.05) 04/16/2022   19:40:09  (  71.75,-114.27)   63.41                68
 04/16/2022   20:29:32   ( -71.18,  52.53) 04/16/2022   20:29:47  ( -71.20,  52.46)    2.78                15
 04/16/2022   21:20:17   (  71.08,-139.99) 04/16/2022   21:19:14  (  71.10,-140.05)    2.74                63
 04/19/2022   11:06:02   ( -71.67,-167.41) 04/19/2022   11:07:13  ( -71.53,-166.40)   38.34                71
 04/19/2022   11:56:40   (  71.22,   0.71) 04/19/2022   11:56:44  (  71.21,   0.73)    0.55                 4
 04/19/2022   12:47:23   ( -71.13, 168.17) 04/19/2022   12:46:14  ( -71.10, 168.18)    3.60                69
 04/22/2022   02:33:04   (  71.35, 141.41) 04/22/2022   02:34:15  (  71.31, 141.48)    4.70                71
 04/22/2022   03:23:46   ( -71.21, -51.02) 04/22/2022   03:23:45  ( -71.20, -51.07)    1.62                 1
 04/22/2022   04:14:27   (  70.91, 116.79) 04/22/2022   04:13:15  (  70.93, 116.16)   23.06                72
 04/24/2022   18:00:10   ( -71.33,  89.69) 04/24/2022   18:01:15  ( -71.34,  89.75)    2.39                65
 04/24/2022   18:50:54   (  71.20,-102.78) 04/24/2022   18:50:42  (  71.23,-102.78)    3.23                12