Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 5 28.  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   (  72.18, 160.73) 05/29/2022   01:12:16  (  72.08, 162.88)   74.26                67
 05/29/2022   02:01:40   ( -71.45, -30.59) 05/29/2022   02:01:55  ( -71.47, -30.51)    3.55                15
 05/29/2022   02:52:24   (  71.34, 136.92) 05/29/2022   02:51:23  (  71.32, 136.88)    2.68                61
 05/31/2022   16:38:07   ( -71.84, 109.63) 05/31/2022   16:39:18  ( -71.70, 110.47)   33.32                71
 05/31/2022   17:28:45   (  71.42, -82.29) 05/31/2022   17:28:48  (  71.43, -82.32)    1.74                 3
 05/31/2022   18:19:29   ( -71.36,  85.13) 05/31/2022   18:18:17  ( -71.36,  85.21)    2.70                72
 06/03/2022   08:05:05   (  71.51,  58.50) 06/03/2022   08:06:12  (  71.53,  58.45)    2.48                67
 06/03/2022   08:55:49   ( -71.45,-134.08) 06/03/2022   08:55:41  ( -71.46,-134.01)    2.95                 8
 06/03/2022   09:46:25   (  70.92,  34.15) 06/03/2022   09:45:15  (  70.97,  32.85)   47.38                70
 06/05/2022   23:32:10   ( -71.55,   6.69) 06/05/2022   23:33:06  ( -71.54,   6.74)    1.79                56
 06/06/2022   00:22:54   (  71.43, 174.20) 06/06/2022   00:22:33  (  71.43, 174.20)    0.04                21
 06/06/2022   01:13:23   ( -70.60, -17.06) 06/06/2022   01:12:16  ( -70.61, -19.44)   88.15                67
 06/08/2022   14:59:15   (  71.54, -45.04) 06/08/2022   14:59:57  (  71.55, -45.00)    2.00                42
 06/08/2022   15:49:58   ( -71.43, 122.47) 06/08/2022   15:49:27  ( -71.43, 122.46)    0.98                31