Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 5 26.  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)
 05/26/2022   10:34:35   (  71.44,  21.17) 05/26/2022   10:35:00  (  71.46,  21.22)    2.53                25
 05/26/2022   11:25:18   ( -71.33,-171.32) 05/26/2022   11:24:30  ( -71.33,-171.35)    1.34                48
 05/29/2022   01:11:09   (  72.19, 160.71) 05/29/2022   01:12:16  (  72.08, 162.88)   74.73                67
 05/29/2022   02:01:40   ( -71.46, -30.60) 05/29/2022   02:01:55  ( -71.47, -30.52)    3.44                15
 05/29/2022   02:52:24   (  71.34, 136.90) 05/29/2022   02:51:22  (  71.37, 136.96)    3.21                62
 05/31/2022   16:38:06   ( -71.80, 109.71) 05/31/2022   16:39:18  ( -71.69, 110.47)   28.86                72
 05/31/2022   17:28:45   (  71.43, -82.31) 05/31/2022   17:28:48  (  71.43, -82.33)    0.86                 3
 05/31/2022   18:19:29   ( -71.37,  85.12) 05/31/2022   18:18:17  ( -71.36,  85.20)    3.22                72
 06/03/2022   08:05:05   (  71.52,  58.47) 06/03/2022   08:06:12  (  71.52,  58.44)    0.96                67
 06/03/2022   08:55:49   ( -71.46,-134.11) 06/03/2022   08:55:41  ( -71.46,-134.02)    3.09                 8
 06/03/2022   09:46:25   (  70.93,  34.12) 06/03/2022   09:45:15  (  70.97,  32.84)   46.57                70
 06/05/2022   23:32:09   ( -71.51,   6.75) 06/05/2022   23:33:06  ( -71.54,   6.72)    2.76                57
 06/06/2022   00:22:54   (  71.45, 174.16) 06/06/2022   00:22:33  (  71.42, 174.18)    3.33                21
 06/06/2022   01:13:22   ( -70.56, -17.00) 06/06/2022   01:12:16  ( -70.60, -19.45)   90.78                66
 06/08/2022   14:59:14   (  71.51, -45.00) 06/08/2022   14:59:57  (  71.53, -45.02)    2.57                43
 06/08/2022   15:49:58   ( -71.45, 122.42) 06/08/2022   15:49:27  ( -71.42, 122.44)    3.25                31