Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 2 8.  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)
 02/08/2023   18:19:17   (  73.29, -95.97) 02/08/2023   18:20:26  (  73.22, -94.41)   50.34                69
 02/08/2023   19:09:52   ( -72.78,  72.48) 02/08/2023   19:09:58  ( -72.78,  72.38)    3.16                 6
 02/08/2023   20:00:35   (  72.61,-119.86) 02/08/2023   19:59:22  (  72.65,-120.20)   12.49                73
 02/11/2023   07:14:05   (  72.83,  71.33) 02/11/2023   07:14:28  (  72.85,  71.36)    2.54                23
 02/11/2023   08:04:49   ( -72.77,-121.22) 02/11/2023   08:03:54  ( -72.74,-121.20)    3.13                55
 02/13/2023   19:18:17   ( -72.85,  70.28) 02/13/2023   19:19:02  ( -72.86,  70.21)    2.61                45
 02/13/2023   20:09:02   (  72.78,-122.26) 02/13/2023   20:08:25  (  72.77,-122.30)    1.58                37
 02/16/2023   07:22:31   (  72.92,  69.11) 02/16/2023   07:23:32  (  72.90,  69.14)    2.07                61
 02/16/2023   08:13:14   ( -72.80,-123.33) 02/16/2023   08:12:58  ( -72.80,-123.40)    2.25                16
 02/18/2023   19:26:50   ( -73.30,  67.26) 02/18/2023   19:28:00  ( -73.17,  68.51)   42.47                70
 02/18/2023   20:17:27   (  72.83,-124.40) 02/18/2023   20:17:27  (  72.85,-124.45)    3.10                 0
 02/18/2023   21:08:08   ( -72.62,  43.36) 02/18/2023   21:06:55  ( -72.66,  42.82)   18.34                73
 02/21/2023   08:21:39   ( -72.87,-125.50) 02/21/2023   08:21:59  ( -72.88,-125.55)    2.52                20
 02/21/2023   09:12:24   (  72.80,  41.96) 02/21/2023   09:11:21  (  72.82,  42.00)    3.21                63