Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 8 3.  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)
 08/05/2020   05:17:42   (  68.97,  99.87) 08/05/2020   05:18:45  (  68.97,  99.83)    1.70                63
 08/05/2020   06:08:23   ( -68.89, -92.69) 08/05/2020   06:08:14  ( -68.86, -92.68)    3.38                 9
 08/05/2020   06:58:58   (  68.33,  75.36) 08/05/2020   06:57:47  (  68.42,  74.42)   39.87                71
 08/07/2020   21:34:05   (  69.02,-144.29) 08/07/2020   21:35:12  (  69.02,-144.22)    2.63                67
 08/07/2020   22:24:46   ( -68.88,  23.22) 08/07/2020   22:24:43  ( -68.86,  23.20)    3.24                 3
 08/07/2020   23:15:25   (  68.54,-169.00) 08/07/2020   23:14:13  (  68.58,-169.50)   20.58                72
 08/10/2020   13:50:29   (  69.08, -28.45) 08/10/2020   13:51:40  (  69.07, -28.28)    6.77                71
 08/10/2020   14:41:09   ( -68.88, 139.14) 08/10/2020   14:41:11  ( -68.91, 139.15)    2.62                 2
 08/10/2020   15:31:52   (  68.75, -53.37) 08/10/2020   15:30:39  (  68.74, -53.42)    2.38                73
 08/13/2020   06:06:56   (  69.29,  87.17) 08/13/2020   06:08:07  (  69.17,  87.73)   26.23                71
 08/13/2020   06:57:32   ( -68.88,-104.95) 08/13/2020   06:57:40  ( -68.90,-104.98)    1.90                 8
 08/13/2020   07:48:15   (  68.75,  62.54) 08/13/2020   07:47:07  (  68.78,  62.52)    3.20                68
 08/15/2020   22:23:21   (  69.45,-157.15) 08/15/2020   22:24:31  (  69.37,-156.12)   41.45                70
 08/15/2020   23:13:55   ( -68.94,  10.89) 08/15/2020   23:14:07  ( -68.94,  10.95)    2.72                12
 08/16/2020   00:04:37   (  68.76, 178.45) 08/16/2020   00:03:35  (  68.77, 178.38)    2.94                62