Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 7 1.  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)
 07/01/2020   08:53:58   ( -68.97,-134.29) 07/01/2020   08:55:03  ( -68.95,-134.27)    1.52                65
 07/01/2020   09:44:41   (  68.83,  33.21) 07/01/2020   09:44:30  (  68.85,  33.24)    2.73                11
 07/01/2020   10:35:17   ( -68.43,-158.95) 07/01/2020   10:34:05  ( -68.46,-159.61)   27.32                72
 07/04/2020   01:10:21   ( -68.95, -18.36) 07/04/2020   01:11:32  ( -68.95, -18.40)    1.71                71
 07/04/2020   02:01:04   (  68.81, 149.14) 07/04/2020   02:00:59  (  68.84, 149.11)    2.85                 5
 07/04/2020   02:51:44   ( -68.62, -43.29) 07/04/2020   02:50:30  ( -68.67, -43.46)    9.01                74
 07/06/2020   17:26:47   ( -69.09,  97.36) 07/06/2020   17:27:59  ( -69.05,  97.61)   10.97                72
 07/06/2020   18:17:28   (  68.85, -95.01) 07/06/2020   18:17:27  (  68.87, -94.96)    2.98                 1
 07/06/2020   19:08:09   ( -68.71,  72.50) 07/06/2020   19:06:58  ( -68.72,  72.47)    1.37                71
 07/09/2020   09:43:13   ( -69.28,-147.00) 07/09/2020   09:44:24  ( -69.19,-146.32)   28.86                71
 07/09/2020   10:33:50   (  68.84,  20.92) 07/09/2020   10:33:55  (  68.85,  20.89)    1.76                 5
 07/09/2020   11:24:32   ( -68.75,-171.64) 07/09/2020   11:23:25  ( -68.76,-171.60)    1.76                67
 07/12/2020   01:59:40   ( -69.48, -31.37) 07/12/2020   02:00:50  ( -69.34, -30.24)   46.89                70
 07/12/2020   02:50:14   (  68.88, 136.77) 07/12/2020   02:50:23  (  68.89, 136.82)    1.74                 9
 07/12/2020   03:40:55   ( -68.73, -55.70) 07/12/2020   03:39:54  ( -68.73, -55.74)    1.57                61
 07/14/2020   18:16:06   ( -69.62,  84.33) 07/14/2020   18:17:15  ( -69.53,  85.90)   61.84                69
 07/14/2020   19:06:37   (  68.87,-107.30) 07/14/2020   19:06:52  (  68.86,-107.34)    2.28                15
 07/14/2020   19:57:19   ( -68.77,  60.16) 07/14/2020   19:56:22  ( -68.76,  60.18)    1.17                57