Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 1 24.  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)
 01/25/2020   05:23:42   ( -69.36, -82.56) 01/25/2020   05:24:52  ( -69.25, -81.46)   44.77                70
 01/25/2020   06:14:17   (  68.75,  85.58) 01/25/2020   06:14:26  (  68.77,  85.56)    1.89                 9
 01/25/2020   07:04:58   ( -68.66,-106.97) 01/25/2020   07:03:56  ( -68.65,-106.95)    1.29                62
 01/27/2020   21:40:12   ( -69.63,  32.95) 01/27/2020   21:41:20  ( -69.53,  34.76)   71.11                68
 01/27/2020   22:30:42   (  68.76,-158.53) 01/27/2020   22:30:59  (  68.76,-158.59)    2.52                17
 01/27/2020   23:21:23   ( -68.66,   8.92) 01/27/2020   23:20:29  ( -68.65,   8.91)    1.38                54
 01/30/2020   13:56:41   ( -69.89, 148.46) 01/30/2020   13:57:47  ( -69.80, 150.99)   97.83                66
 01/30/2020   14:47:07   (  68.82, -42.71) 01/30/2020   14:47:30  (  68.81, -42.67)    2.36                23
 01/30/2020   15:37:47   ( -68.67, 124.82) 01/30/2020   15:37:01  ( -68.65, 124.77)    2.94                46
 02/02/2020   07:03:31   (  68.78,  73.25) 02/02/2020   07:04:03  (  68.80,  73.18)    3.37                32
 02/02/2020   07:54:12   ( -68.67,-119.28) 02/02/2020   07:53:33  ( -68.70,-119.31)    3.04                39
 02/04/2020   23:19:57   (  68.84,-170.94) 02/04/2020   23:20:35  (  68.84,-170.90)    1.55                38
 02/05/2020   00:10:37   ( -68.68,  -3.39) 02/05/2020   00:10:06  ( -68.69,  -3.46)    2.90                31