Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 12 8.  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)
 12/10/2022   10:42:03   ( -72.55,-160.81) 12/10/2022   10:42:49  ( -72.55,-160.71)    3.17                46
 12/10/2022   11:32:48   (  72.43,   6.74) 12/10/2022   11:32:13  (  72.41,   6.70)    2.34                35
 12/12/2022   22:46:21   (  72.63,-162.02) 12/12/2022   22:47:32  (  72.59,-161.84)    7.96                71
 12/12/2022   23:37:03   ( -72.51,   5.55) 12/12/2022   23:36:58  ( -72.49,   5.63)    3.42                 5
 12/13/2022   00:27:38   (  71.88, 174.09) 12/13/2022   00:26:29  (  71.98, 172.39)   59.68                69
 12/15/2022   11:41:20   (  72.50,   4.52) 12/15/2022   11:41:42  (  72.52,   4.48)    2.19                22
 12/15/2022   12:32:03   ( -72.42, 171.99) 12/15/2022   12:31:08  ( -72.42, 171.94)    1.71                55
 12/17/2022   23:45:36   ( -72.58,   3.32) 12/17/2022   23:46:28  ( -72.56,   3.33)    2.96                52
 12/18/2022   00:36:21   (  72.48, 170.84) 12/18/2022   00:35:51  (  72.48, 170.85)    0.23                30
 12/20/2022   11:49:57   (  72.80,   1.83) 12/20/2022   11:51:09  (  72.70,   2.41)   21.78                72
 12/20/2022   12:40:36   ( -72.51, 169.75) 12/20/2022   12:40:37  ( -72.50, 169.67)    3.08                 1