Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 3 29.  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)
 03/30/2023   23:05:29   (  73.13,-166.54) 03/30/2023   23:06:17  (  73.11,-166.60)    3.12                48
 03/30/2023   23:56:12   ( -73.07,   0.91) 03/30/2023   23:55:42  ( -73.05,   0.93)    2.31                30
 04/02/2023   11:09:35   ( -73.14,-167.56) 04/02/2023   11:10:33  ( -73.18,-167.56)    3.51                58
 04/02/2023   12:00:21   (  73.08,  -0.13) 04/02/2023   11:59:56  (  73.07,  -0.11)    1.72                25
 04/04/2023   23:13:43   (  73.18,-168.64) 04/04/2023   23:14:46  (  73.15,-168.69)    3.04                63
 04/05/2023   00:04:26   ( -73.11,  -1.17) 04/05/2023   00:04:11  ( -73.09,  -1.16)    2.21                15
 04/07/2023   11:17:49   ( -73.21,-169.70) 04/07/2023   11:19:00  ( -73.23,-169.62)    3.56                71
 04/07/2023   12:08:34   (  73.11,  -2.17) 04/07/2023   12:08:23  (  73.13,  -2.17)    2.13                11
 04/07/2023   12:59:06   ( -72.48, 166.47) 04/07/2023   12:57:58  ( -72.53, 164.35)   71.16                68
 04/09/2023   23:22:00   (  73.37,-171.07) 04/09/2023   23:23:11  (  73.27,-170.60)   18.49                71
 04/10/2023   00:12:40   ( -73.15,  -3.25) 04/10/2023   00:12:37  ( -73.15,  -3.19)    2.00                 3