Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 3 25.  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)
 03/26/2020   21:22:22   ( -68.88,  38.49) 03/26/2020   21:23:21  ( -68.90,  38.54)    2.70                59
 03/26/2020   22:13:05   (  68.75,-154.03) 03/26/2020   22:12:49  (  68.73,-154.03)    3.27                16
 03/26/2020   23:03:37   ( -68.13,  14.11) 03/26/2020   23:02:27  ( -68.18,  12.93)   48.97                70
 03/29/2020   13:38:46   ( -68.86, 154.41) 03/29/2020   13:39:49  ( -68.88, 154.40)    1.39                63
 03/29/2020   14:29:29   (  68.74, -38.11) 03/29/2020   14:29:16  (  68.76, -38.10)    1.85                13
 03/29/2020   15:20:04   ( -68.27, 129.82) 03/29/2020   15:18:52  ( -68.32, 129.00)   34.50                72
 04/01/2020   05:55:11   ( -68.91, -89.74) 04/01/2020   05:56:16  ( -68.91, -89.67)    2.74                65
 04/01/2020   06:45:53   (  68.73,  77.81) 04/01/2020   06:45:44  (  68.73,  77.75)    2.29                 9
 04/01/2020   07:36:30   ( -68.37,-114.39) 04/01/2020   07:35:18  ( -68.41,-115.01)   25.66                72
 04/03/2020   22:11:34   ( -68.90,  26.18) 04/03/2020   22:12:43  ( -68.88,  26.18)    2.39                69
 04/03/2020   23:02:17   (  68.78,-166.35) 04/03/2020   23:02:10  (  68.75,-166.33)    2.82                 7
 04/03/2020   23:52:55   ( -68.47,   1.38) 04/03/2020   23:51:42  ( -68.55,   1.04)   16.39                73
 04/06/2020   14:27:58   ( -68.89, 142.09) 04/06/2020   14:29:10  ( -68.89, 142.09)    0.36                72
 04/06/2020   15:18:41   (  68.77, -50.43) 04/06/2020   15:18:37  (  68.77, -50.42)    0.48                 4
 04/06/2020   16:09:21   ( -68.57, 117.16) 04/06/2020   16:08:08  ( -68.62, 117.02)    7.92                73