Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 8 10.  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)
 08/11/2022   00:07:24   (  71.88, 177.91) 08/11/2022   00:08:01  (  71.90, 177.99)    3.29                37
 08/11/2022   00:58:06   ( -71.77, -14.57) 08/11/2022   00:57:31  ( -71.78, -14.58)    0.98                35
 08/13/2022   15:34:26   ( -71.88, 126.17) 08/13/2022   15:35:02  ( -71.87, 126.17)    1.25                36
 08/13/2022   16:25:11   (  71.78, -66.34) 08/13/2022   16:24:29  (  71.77, -66.35)    1.30                42
 08/16/2022   07:01:30   (  71.91,  74.38) 08/16/2022   07:01:58  (  71.91,  74.47)    3.01                28
 08/16/2022   07:52:12   ( -71.78,-118.07) 08/16/2022   07:51:28  ( -71.80,-118.09)    1.89                44
 08/18/2022   22:28:32   ( -71.90,  22.66) 08/18/2022   22:28:58  ( -71.92,  22.72)    3.46                26
 08/18/2022   23:19:17   (  71.81,-169.87) 08/18/2022   23:18:25  (  71.81,-169.82)    1.89                52
 08/21/2022   13:55:36   (  71.89, -29.07) 08/21/2022   13:55:56  (  71.88, -29.12)    2.60                20
 08/21/2022   14:46:19   ( -71.80, 138.41) 08/21/2022   14:45:25  ( -71.83, 138.43)    2.57                54