Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 6 29.  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   ( -68.94,-134.26) 07/01/2020   08:55:04  ( -68.92,-134.31)    2.89                66
 07/01/2020   09:44:41   (  68.80,  33.24) 07/01/2020   09:44:31  (  68.81,  33.20)    2.03                10
 07/01/2020   10:35:17   ( -68.41,-158.92) 07/01/2020   10:34:05  ( -68.48,-159.58)   28.52                72
 07/04/2020   01:10:22   ( -68.98, -18.40) 07/04/2020   01:11:32  ( -68.97, -18.37)    1.72                70
 07/04/2020   02:01:05   (  68.85, 149.09) 07/04/2020   02:00:59  (  68.85, 149.13)    1.70                 6
 07/04/2020   02:51:44   ( -68.60, -43.26) 07/04/2020   02:50:31  ( -68.64, -43.51)   10.72                73
 07/06/2020   17:26:47   ( -69.12,  97.31) 07/06/2020   17:27:58  ( -69.06,  97.63)   14.43                71
 07/06/2020   18:17:27   (  68.84, -94.98) 07/06/2020   18:17:27  (  68.83, -95.02)    1.48                 0
 07/06/2020   19:08:09   ( -68.75,  72.45) 07/06/2020   19:06:57  ( -68.73,  72.49)    2.33                72
 07/09/2020   09:43:13   ( -69.27,-146.98) 07/09/2020   09:44:25  ( -69.14,-146.38)   27.57                72
 07/09/2020   10:33:51   (  68.88,  20.87) 07/09/2020   10:33:55  (  68.86,  20.90)    3.02                 4
 07/09/2020   11:24:32   ( -68.73,-171.62) 07/09/2020   11:23:25  ( -68.76,-171.59)    3.10                67
 07/12/2020   01:59:40   ( -69.47, -31.36) 07/12/2020   02:00:50  ( -69.33, -30.25)   46.00                70
 07/12/2020   02:50:14   (  68.88, 136.79) 07/12/2020   02:50:23  (  68.88, 136.81)    0.98                 9
 07/12/2020   03:40:55   ( -68.72, -55.69) 07/12/2020   03:39:54  ( -68.73, -55.75)    2.44                61