Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 4 7.  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   (  71.18,-152.20) 04/08/2022   22:08:45  (  71.20,-152.20)    2.38                33
 04/08/2022   22:58:54   ( -71.07,  15.31) 04/08/2022   22:58:15  ( -71.09,  15.25)    3.24                39
 04/11/2022   13:35:18   ( -71.19, 156.03) 04/11/2022   13:35:47  ( -71.20, 156.01)    1.51                29
 04/11/2022   14:26:03   (  71.08, -36.48) 04/11/2022   14:25:14  (  71.10, -36.50)    1.96                49
 04/14/2022   05:02:27   (  71.22, 104.22) 04/14/2022   05:02:46  (  71.19, 104.23)    3.40                19
 04/14/2022   05:53:09   ( -71.09, -88.24) 04/14/2022   05:52:16  ( -71.08, -88.31)    2.96                53
 04/16/2022   19:39:00   (  71.88,-116.05) 04/16/2022   19:40:08  (  71.75,-114.27)   63.36                68
 04/16/2022   20:29:32   ( -71.22,  52.46) 04/16/2022   20:29:46  ( -71.20,  52.48)    2.16                14
 04/16/2022   21:20:16   (  71.08,-139.99) 04/16/2022   21:19:13  (  71.10,-140.05)    2.70                63
 04/19/2022   11:06:02   ( -71.67,-167.41) 04/19/2022   11:07:12  ( -71.58,-166.32)   39.60                70
 04/19/2022   11:56:39   (  71.18,   0.78) 04/19/2022   11:56:44  (  71.20,   0.71)    3.38                 5
 04/19/2022   12:47:22   ( -71.08, 168.25) 04/19/2022   12:46:14  ( -71.09, 168.17)    3.11                68