Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 12 25.  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   12:49:07   ( -72.60, 167.50) 12/25/2022   12:50:02  ( -72.62, 167.49)    3.09                55
 12/25/2022   13:39:53   (  72.54, -25.09) 12/25/2022   13:39:26  (  72.51, -25.06)    3.29                27
 12/28/2022   00:53:30   (  72.94, 165.74) 12/28/2022   00:54:41  (  72.84, 166.70)   32.98                71
 12/28/2022   01:44:07   ( -72.54, -26.12) 12/28/2022   01:44:10  ( -72.55, -26.19)    2.79                 3
 12/28/2022   02:34:48   (  72.24, 141.80) 12/28/2022   02:33:36  (  72.34, 141.07)   26.80                72
 12/30/2022   13:48:24   (  72.59, -27.25) 12/30/2022   13:48:52  (  72.59, -27.32)    2.20                28
 12/30/2022   14:39:08   ( -72.54, 140.16) 12/30/2022   14:38:17  ( -72.52, 140.20)    3.19                51
 01/02/2023   01:52:39   ( -72.64, -28.38) 01/02/2023   01:53:35  ( -72.65, -28.41)    1.53                56
 01/02/2023   02:43:24   (  72.55, 139.10) 01/02/2023   02:42:59  (  72.54, 139.04)    2.52                25
 01/04/2023   13:57:02   (  73.01, -30.21) 01/04/2023   13:58:12  (  72.92, -29.09)   37.88                70
 01/04/2023   14:47:39   ( -72.60, 137.97) 01/04/2023   14:47:42  ( -72.58, 137.92)    3.02                 3
 01/04/2023   15:38:20   (  72.32, -54.14) 01/04/2023   15:37:08  (  72.36, -54.82)   23.43                72
 01/07/2023   02:51:54   (  72.63, 136.87) 01/07/2023   02:52:22  (  72.62, 136.79)    3.00                28
 01/07/2023   03:42:38   ( -72.57, -55.69) 01/07/2023   03:41:47  ( -72.55, -55.69)    2.53                51