Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 10 19.  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)
 10/19/2020   06:37:44   (  69.28,  79.69) 10/19/2020   06:38:55  (  69.24,  80.07)   15.47                71
 10/19/2020   07:28:22   ( -69.01,-112.61) 10/19/2020   07:28:27  ( -69.02,-112.58)    1.48                 5
 10/19/2020   08:19:05   (  68.85,  54.92) 10/19/2020   08:17:55  (  68.86,  54.86)    2.64                70
 10/21/2020   22:54:10   (  69.48,-164.67) 10/21/2020   22:55:21  (  69.37,-163.88)   33.51                71
 10/21/2020   23:44:45   ( -69.05,   3.26) 10/21/2020   23:44:55  ( -69.05,   3.33)    2.63                10
 10/22/2020   00:35:28   (  68.90, 170.78) 10/22/2020   00:34:23  (  68.88, 170.76)    2.13                65
 10/24/2020   15:10:36   (  69.69, -49.05) 10/24/2020   15:11:45  (  69.61, -47.68)   53.71                69
 10/24/2020   16:01:07   ( -69.03, 119.20) 10/24/2020   16:01:24  ( -69.01, 119.16)    3.09                17
 10/24/2020   16:51:50   (  68.88, -73.29) 10/24/2020   16:50:51  (  68.89, -73.34)    2.38                59
 10/27/2020   07:27:02   (  69.89,  66.57) 10/27/2020   07:28:10  (  69.78,  68.44)   72.78                68
 10/27/2020   08:17:30   ( -69.07,-124.93) 10/27/2020   08:17:51  ( -69.07,-124.87)    2.36                21
 10/27/2020   09:08:13   (  68.93,  42.57) 10/27/2020   09:07:19  (  68.90,  42.55)    3.37                54
 10/29/2020   23:43:27   (  70.09,-177.83) 10/29/2020   23:44:33  (  70.01,-175.37)   93.76                66
 10/30/2020   00:33:51   ( -69.05,  -8.99) 10/30/2020   00:34:18  ( -69.08,  -8.98)    3.20                27
 10/30/2020   01:24:34   (  68.92, 158.50) 10/30/2020   01:23:46  (  68.90, 158.44)    3.33                48
 11/01/2020   16:50:14   ( -69.09, 106.87) 11/01/2020   16:50:46  ( -69.08, 106.90)    1.54                32
 11/01/2020   17:40:57   (  68.97, -85.64) 11/01/2020   17:40:13  (  68.96, -85.61)    1.61                44