Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 5 3.  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)
 05/05/2023   00:53:37   ( -73.33, -13.56) 05/05/2023   00:54:16  ( -73.32, -13.56)    1.84                39
 05/05/2023   01:44:22   (  73.25, 153.93) 05/05/2023   01:43:39  (  73.25, 153.97)    1.14                43
 05/07/2023   12:57:42   (  73.32, -14.51) 05/07/2023   12:58:22  (  73.34, -14.57)    3.13                40
 05/07/2023   13:48:26   ( -73.27, 152.90) 05/07/2023   13:47:46  ( -73.28, 152.96)    2.07                40
 05/10/2023   01:01:46   ( -73.34, -15.54) 05/10/2023   01:02:29  ( -73.34, -15.62)    2.51                43
 05/10/2023   01:52:31   (  73.27, 151.93) 05/10/2023   01:51:52  (  73.27, 151.89)    1.14                39
 05/12/2023   13:05:51   (  73.35, -16.55) 05/12/2023   13:06:34  (  73.35, -16.64)    2.96                43
 05/12/2023   13:56:35   ( -73.29, 150.89) 05/12/2023   13:55:58  ( -73.30, 150.91)    0.84                37
 05/15/2023   01:09:55   ( -73.38, -17.60) 05/15/2023   01:10:40  ( -73.36, -17.67)    3.06                45
 05/15/2023   02:00:40   (  73.32, 149.85) 05/15/2023   02:00:02  (  73.33, 149.93)    3.05                38