Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 12 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)
 12/28/2022   00:53:31   (  72.95, 165.70) 12/28/2022   00:54:41  (  72.87, 166.76)   35.80                70
 12/28/2022   01:44:08   ( -72.56, -26.16) 12/28/2022   01:44:10  ( -72.59, -26.13)    2.78                 2
 12/28/2022   02:34:49   (  72.26, 141.76) 12/28/2022   02:33:37  (  72.32, 141.04)   25.26                72
 12/30/2022   13:48:24   (  72.61, -27.29) 12/30/2022   13:48:51  (  72.63, -27.25)    2.85                27
 12/30/2022   14:39:07   ( -72.51, 140.22) 12/30/2022   14:38:17  ( -72.50, 140.17)    1.94                50
 01/02/2023   01:52:39   ( -72.66, -28.42) 01/02/2023   01:53:35  ( -72.64, -28.43)    1.65                56
 01/02/2023   02:43:24   (  72.57, 139.07) 01/02/2023   02:42:58  (  72.59, 139.13)    2.71                26
 01/04/2023   13:57:02   (  73.03, -30.25) 01/04/2023   13:58:12  (  72.92, -29.09)   39.34                70
 01/04/2023   14:47:39   ( -72.62, 137.94) 01/04/2023   14:47:41  ( -72.64, 138.02)    3.35                 2
 01/04/2023   15:38:20   (  72.33, -54.17) 01/04/2023   15:37:08  (  72.37, -54.82)   22.07                72
 01/07/2023   02:51:55   (  72.65, 136.85) 01/07/2023   02:52:23  (  72.64, 136.82)    1.39                28
 01/07/2023   03:42:39   ( -72.58, -55.71) 01/07/2023   03:41:48  ( -72.56, -55.66)    2.76                51