Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 5 27.  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)
 05/29/2022   01:11:09   (  72.17, 160.75) 05/29/2022   01:12:16  (  72.10, 162.91)   73.94                67
 05/29/2022   02:01:40   ( -71.44, -30.57) 05/29/2022   02:01:56  ( -71.43, -30.58)    0.37                16
 05/29/2022   02:52:24   (  71.32, 136.94) 05/29/2022   02:51:23  (  71.33, 136.90)    1.60                61
 05/31/2022   16:38:06   ( -71.83, 109.66) 05/31/2022   16:39:17  ( -71.71, 110.50)   31.96                71
 05/31/2022   17:28:45   (  71.46, -82.36) 05/31/2022   17:28:47  (  71.45, -82.29)    2.60                 2
 05/31/2022   18:19:28   ( -71.35,  85.16) 05/31/2022   18:18:17  ( -71.33,  85.15)    1.94                71
 06/03/2022   08:05:06   (  71.55,  58.42) 06/03/2022   08:06:12  (  71.54,  58.48)    2.18                66
 06/03/2022   08:55:49   ( -71.44,-134.06) 06/03/2022   08:55:42  ( -71.43,-134.07)    0.94                 7
 06/03/2022   09:46:25   (  70.91,  34.17) 06/03/2022   09:45:15  (  70.99,  32.88)   47.62                70
 06/05/2022   23:32:10   ( -71.53,   6.71) 06/05/2022   23:33:07  ( -71.51,   6.68)    2.89                57
 06/06/2022   00:22:54   (  71.42, 174.22) 06/06/2022   00:22:33  (  71.45, 174.23)    3.27                21
 06/06/2022   01:13:23   ( -70.58, -17.04) 06/06/2022   01:12:16  ( -70.63, -19.41)   87.92                67
 06/08/2022   14:59:15   (  71.53, -45.03) 06/08/2022   14:59:58  (  71.51, -45.05)    2.04                43
 06/08/2022   15:49:58   ( -71.42, 122.48) 06/08/2022   15:49:28  ( -71.40, 122.40)    3.49                30