Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 5 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)
 05/31/2022   16:38:06   ( -71.80, 109.71) 05/31/2022   16:39:18  ( -71.68, 110.45)   28.93                72
 05/31/2022   17:28:45   (  71.43, -82.30) 05/31/2022   17:28:48  (  71.42, -82.33)    1.20                 3
 05/31/2022   18:19:29   ( -71.37,  85.11) 05/31/2022   18:18:17  ( -71.35,  85.19)    3.26                72
 06/03/2022   08:05:06   (  71.51,  58.49) 06/03/2022   08:06:13  (  71.53,  58.46)    2.14                67
 06/03/2022   08:55:50   ( -71.46,-134.10) 06/03/2022   08:55:42  ( -71.46,-134.02)    2.87                 8
 06/03/2022   09:46:26   (  70.92,  34.14) 06/03/2022   09:45:16  (  70.98,  32.86)   47.01                70
 06/05/2022   23:32:10   ( -71.55,   6.68) 06/05/2022   23:33:06  ( -71.56,   6.76)    2.89                56
 06/06/2022   00:22:54   (  71.43, 174.20) 06/06/2022   00:22:33  (  71.45, 174.23)    2.25                21
 06/06/2022   01:13:23   ( -70.60, -17.06) 06/06/2022   01:12:16  ( -70.63, -19.42)   87.24                67
 06/08/2022   14:59:15   (  71.53, -45.03) 06/08/2022   14:59:58  (  71.53, -45.03)    0.29                43
 06/08/2022   15:49:58   ( -71.42, 122.47) 06/08/2022   15:49:28  ( -71.42, 122.42)    1.95                30
 06/11/2022   06:26:19   ( -71.53, -96.78) 06/11/2022   06:26:52  ( -71.54, -96.76)    1.20                33
 06/11/2022   07:17:03   (  71.41,  70.75) 06/11/2022   07:16:19  (  71.42,  70.70)    2.29                44
 06/13/2022   21:53:24   (  71.52,-148.51) 06/13/2022   21:53:43  (  71.53,-148.50)    1.28                19
 06/13/2022   22:44:07   ( -71.42,  18.99) 06/13/2022   22:43:13  ( -71.42,  18.95)    1.43                54