Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 6 9.  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)
 06/09/2020   21:52:25   (  69.74,-150.00) 06/09/2020   21:53:33  (  69.60,-148.10)   75.06                68
 06/09/2020   22:42:52   ( -68.89,  18.52) 06/09/2020   22:43:14  ( -68.88,  18.59)    2.84                22
 06/09/2020   23:33:35   (  68.72,-173.94) 06/09/2020   23:32:42  (  68.72,-173.97)    1.12                53
 06/12/2020   14:08:51   (  69.92, -34.37) 06/12/2020   14:09:57  (  69.85, -31.88)   95.61                66
 06/12/2020   14:59:14   ( -68.86, 134.47) 06/12/2020   14:59:43  ( -68.86, 134.43)    1.59                29
 06/12/2020   15:49:58   (  68.75, -58.07) 06/12/2020   15:49:10  (  68.75, -58.06)    0.51                48
 06/15/2020   07:15:38   ( -68.88,-109.65) 06/15/2020   07:16:12  ( -68.88,-109.65)    0.32                34
 06/15/2020   08:06:22   (  68.78,  57.80) 06/15/2020   08:05:39  (  68.77,  57.85)    2.17                43
 06/17/2020   23:32:02   ( -68.90,   6.23) 06/17/2020   23:32:41  ( -68.91,   6.26)    1.41                39
 06/18/2020   00:22:45   (  68.75, 173.74) 06/18/2020   00:22:09  (  68.74, 173.69)    2.89                36
 06/20/2020   15:48:26   ( -68.93, 122.11) 06/20/2020   15:49:10  ( -68.94, 122.17)    2.79                44
 06/20/2020   16:39:09   (  68.78, -70.39) 06/20/2020   16:38:38  (  68.76, -70.40)    2.78                31