Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 12 24.  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)
 12/25/2022   12:49:08   ( -72.63, 167.43) 12/25/2022   12:50:02  ( -72.64, 167.53)    3.64                54
 12/25/2022   13:39:53   (  72.52, -25.05) 12/25/2022   13:39:26  (  72.53, -25.02)    1.48                27
 12/28/2022   00:53:31   (  72.97, 165.67) 12/28/2022   00:54:41  (  72.86, 166.73)   36.86                70
 12/28/2022   01:44:08   ( -72.57, -26.18) 12/28/2022   01:44:10  ( -72.57, -26.15)    0.97                 2
 12/28/2022   02:34:49   (  72.27, 141.73) 12/28/2022   02:33:37  (  72.30, 141.01)   24.61                72
 12/30/2022   13:48:25   (  72.63, -27.33) 12/30/2022   13:48:52  (  72.60, -27.29)    2.67                27
 12/30/2022   14:39:08   ( -72.53, 140.19) 12/30/2022   14:38:17  ( -72.53, 140.23)    1.38                51
 01/02/2023   01:52:39   ( -72.68, -28.46) 01/02/2023   01:53:34  ( -72.66, -28.40)    2.89                55
 01/02/2023   02:43:23   (  72.54, 139.13) 01/02/2023   02:42:58  (  72.55, 139.06)    2.48                25
 01/04/2023   13:57:01   (  73.00, -30.19) 01/04/2023   13:58:11  (  72.92, -29.09)   36.91                70
 01/04/2023   14:47:38   ( -72.59, 138.00) 01/04/2023   14:47:41  ( -72.58, 137.92)    2.85                 3
 01/04/2023   15:38:19   (  72.31, -54.12) 01/04/2023   15:37:07  (  72.36, -54.82)   24.36                72
 01/07/2023   02:51:55   (  72.68, 136.78) 01/07/2023   02:52:21  (  72.66, 136.88)    3.51                26
 01/07/2023   03:42:38   ( -72.56, -55.67) 01/07/2023   03:41:47  ( -72.54, -55.70)    2.99                51