Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 9 12.  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)
 09/14/2022   08:08:16   (  72.03,  57.74) 09/14/2022   08:09:03  (  72.05,  57.65)    3.57                47
 09/14/2022   08:59:00   ( -71.97,-134.82) 09/14/2022   08:58:32  ( -71.98,-134.83)    1.55                28
 09/16/2022   23:35:19   ( -72.08,   5.92) 09/16/2022   23:36:00  ( -72.09,   5.96)    1.96                41
 09/17/2022   00:26:03   (  71.98, 173.43) 09/17/2022   00:25:27  (  71.99, 173.42)    1.13                36
 09/19/2022   15:02:21   (  72.09, -45.84) 09/19/2022   15:02:54  (  72.08, -45.82)    1.81                33
 09/19/2022   15:53:04   ( -71.97, 121.71) 09/19/2022   15:52:24  ( -71.96, 121.62)    3.00                40
 09/22/2022   06:29:23   ( -72.08, -97.56) 09/22/2022   06:29:51  ( -72.09, -97.55)    1.31                28
 09/22/2022   07:20:07   (  71.99,  69.93) 09/22/2022   07:19:18  (  71.99,  69.91)    0.92                49
 09/24/2022   21:56:26   (  72.11,-149.35) 09/24/2022   21:56:45  (  72.10,-149.29)    2.42                19
 09/24/2022   22:47:09   ( -71.98,  18.21) 09/24/2022   22:46:15  ( -71.99,  18.16)    1.90                54