Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 3 9.  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)
 03/10/2022   21:00:32   (  71.09,-135.36) 03/10/2022   21:01:38  (  71.08,-135.37)    0.97                66
 03/10/2022   21:51:14   ( -70.99,  32.13) 03/10/2022   21:51:07  ( -71.01,  32.16)    2.91                 7
 03/10/2022   22:41:51   (  70.44,-159.66) 03/10/2022   22:40:41  (  70.53,-160.92)   48.09                70
 03/13/2022   12:27:38   ( -71.11, 172.85) 03/13/2022   12:28:36  ( -71.11, 172.91)    2.19                58
 03/13/2022   13:18:23   (  70.97, -19.62) 03/13/2022   13:18:04  (  70.95, -19.69)    3.52                19
 03/13/2022   14:08:52   ( -70.20, 148.97) 03/13/2022   14:07:44  ( -70.29, 146.96)   76.12                68
 03/16/2022   03:54:48   (  71.10, 121.10) 03/16/2022   03:55:33  (  71.09, 121.12)    1.58                45
 03/16/2022   04:45:30   ( -71.00, -71.41) 03/16/2022   04:45:03  ( -70.97, -71.42)    2.63                27
 03/18/2022   19:21:54   ( -71.07,  69.39) 03/18/2022   19:22:32  ( -71.10,  69.38)    3.41                38
 03/18/2022   20:12:40   (  70.99,-123.18) 03/18/2022   20:11:59  (  70.99,-123.15)    1.12                41
 03/21/2022   10:49:04   (  71.07,  17.62) 03/21/2022   10:49:28  (  71.10,  17.63)    3.11                24
 03/21/2022   11:39:46   ( -70.96,-174.88) 03/21/2022   11:38:58  ( -70.99,-174.91)    3.18                48