Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 4 23.  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)
 04/25/2020   08:22:58   ( -69.63,-127.61) 04/25/2020   08:24:06  ( -69.54,-125.85)   69.00                68
 04/25/2020   09:13:29   (  68.83,  40.83) 04/25/2020   09:13:44  (  68.82,  40.87)    1.73                15
 04/25/2020   10:04:10   ( -68.72,-151.70) 04/25/2020   10:03:14  ( -68.71,-151.64)    2.79                56
 04/28/2020   00:39:24   ( -69.73, -11.86) 04/28/2020   00:40:31  ( -69.64,  -9.81)   79.47                67
 04/28/2020   01:29:53   (  68.83, 156.73) 04/28/2020   01:30:11  (  68.81, 156.75)    1.97                18
 04/28/2020   02:20:34   ( -68.72, -35.80) 04/28/2020   02:19:41  ( -68.70, -35.76)    2.52                53
 04/30/2020   16:55:50   ( -69.84, 103.89) 04/30/2020   16:56:56  ( -69.74, 106.21)   89.90                66
 04/30/2020   17:46:17   (  68.83, -87.36) 04/30/2020   17:46:37  (  68.86, -87.31)    3.40                20
 04/30/2020   18:36:58   ( -68.72,  80.11) 04/30/2020   18:36:08  ( -68.69,  80.12)    3.30                50
 05/03/2020   09:12:15   ( -69.90,-140.29) 05/03/2020   09:13:21  ( -69.84,-137.76)   96.81                66
 05/03/2020   10:02:41   (  68.83,  28.54) 05/03/2020   10:03:04  (  68.84,  28.56)    1.06                23
 05/03/2020   10:53:22   ( -68.73,-163.99) 05/03/2020   10:52:34  ( -68.74,-163.94)    2.52                48
 05/06/2020   02:19:04   (  68.84, 144.44) 05/06/2020   02:19:30  (  68.82, 144.43)    1.85                26
 05/06/2020   03:09:45   ( -68.73, -48.09) 05/06/2020   03:09:00  ( -68.72, -48.06)    1.52                45