Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 3 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)
 03/24/2020   05:05:58   ( -68.85, -77.39) 03/24/2020   05:06:55  ( -68.84, -77.42)    2.36                57
 03/24/2020   05:56:41   (  68.73,  90.09) 03/24/2020   05:56:22  (  68.73,  90.08)    0.60                19
 03/24/2020   06:47:12   ( -68.05,-101.70) 03/24/2020   06:46:02  ( -68.06,-103.09)   57.77                70
 03/26/2020   21:22:23   ( -68.89,  38.47) 03/26/2020   21:23:22  ( -68.88,  38.52)    2.13                59
 03/26/2020   22:13:05   (  68.71,-153.98) 03/26/2020   22:12:50  (  68.71,-154.05)    2.77                15
 03/26/2020   23:03:37   ( -68.14,  14.09) 03/26/2020   23:02:26  ( -68.22,  12.98)   46.71                71
 03/29/2020   13:38:46   ( -68.87, 154.40) 03/29/2020   13:39:49  ( -68.87, 154.39)    0.47                63
 03/29/2020   14:29:29   (  68.75, -38.13) 03/29/2020   14:29:16  (  68.75, -38.11)    0.62                13
 03/29/2020   15:20:04   ( -68.28, 129.81) 03/29/2020   15:18:52  ( -68.32, 128.99)   34.05                72
 04/01/2020   05:55:10   ( -68.86, -89.68) 04/01/2020   05:56:17  ( -68.85, -89.74)    2.68                67
 04/01/2020   06:45:53   (  68.74,  77.80) 04/01/2020   06:45:44  (  68.73,  77.75)    2.07                 9
 04/01/2020   07:36:30   ( -68.37,-114.40) 04/01/2020   07:35:18  ( -68.41,-115.01)   25.14                72
 04/03/2020   22:11:35   ( -68.90,  26.17) 04/03/2020   22:12:44  ( -68.89,  26.19)    1.75                69
 04/03/2020   23:02:18   (  68.78,-166.35) 04/03/2020   23:02:11  (  68.76,-166.32)    2.49                 7
 04/03/2020   23:52:56   ( -68.47,   1.38) 04/03/2020   23:51:44  ( -68.50,   0.99)   16.26                72
 04/06/2020   14:28:00   ( -68.94, 142.02) 04/06/2020   14:29:11  ( -68.92, 142.12)    4.99                71
 04/06/2020   15:18:41   (  68.77, -50.43) 04/06/2020   15:18:37  (  68.79, -50.40)    2.70                 4
 04/06/2020   16:09:22   ( -68.62, 117.08) 04/06/2020   16:08:08  ( -68.64, 117.05)    2.86                74