Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 4 22.  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)
 04/22/2022   04:14:26   (  70.90, 116.81) 04/22/2022   04:13:14  (  70.99, 116.24)   23.12                72
 04/24/2022   18:00:09   ( -71.34,  89.68) 04/24/2022   18:01:15  ( -71.33,  89.72)    2.25                66
 04/24/2022   18:50:53   (  71.21,-102.78) 04/24/2022   18:50:42  (  71.23,-102.79)    2.48                11
 04/24/2022   19:41:29   ( -70.75,  65.31) 04/24/2022   19:40:18  ( -70.78,  64.15)   42.49                71
 04/27/2022   09:27:16   (  71.31,  37.97) 04/27/2022   09:28:13  (  71.29,  37.90)    3.41                57
 04/27/2022   10:17:59   ( -71.21,-154.54) 04/27/2022   10:17:42  ( -71.23,-154.56)    2.06                17
 04/27/2022   11:08:29   (  70.35,  14.20) 04/27/2022   11:07:22  (  70.41,  11.85)   88.11                67
 04/30/2022   00:54:22   ( -71.31, -13.79) 04/30/2022   00:55:12  ( -71.33, -13.81)    1.70                50
 04/30/2022   01:45:07   (  71.25, 153.64) 04/30/2022   01:44:39  (  71.22, 153.67)    3.04                28
 05/02/2022   16:21:28   (  71.31, -65.54) 05/02/2022   16:22:08  (  71.30, -65.61)    2.92                40
 05/02/2022   17:12:12   ( -71.24, 101.89) 05/02/2022   17:11:37  ( -71.24, 101.93)    1.61                35
 05/05/2022   07:48:34   ( -71.30,-117.28) 05/05/2022   07:49:07  ( -71.30,-117.37)    3.14                33
 05/05/2022   08:39:19   (  71.25,  50.12) 05/05/2022   08:38:33  (  71.24,  50.18)    2.37                46