Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 11 16.  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)
 11/17/2020   18:28:26   ( -69.20,  82.24) 11/17/2020   18:29:37  ( -69.20,  82.30)    2.25                71
 11/17/2020   19:19:08   (  69.03,-110.20) 11/17/2020   19:19:05  (  69.03,-110.27)    2.76                 3
 11/17/2020   20:09:49   ( -68.88,  57.32) 11/17/2020   20:08:35  ( -68.92,  57.23)    6.03                74
 11/20/2020   10:44:52   ( -69.42,-162.14) 11/20/2020   10:46:03  ( -69.33,-161.64)   21.88                71
 11/20/2020   11:35:30   (  69.04,   5.71) 11/20/2020   11:35:33  (  69.05,   5.64)    3.39                 3
 11/20/2020   12:26:12   ( -68.94, 173.16) 11/20/2020   12:25:03  ( -68.95, 173.14)    1.25                69
 11/23/2020   03:01:17   ( -69.64, -46.54) 11/23/2020   03:02:27  ( -69.51, -45.52)   41.97                70
 11/23/2020   03:51:52   (  69.10, 121.54) 11/23/2020   03:52:00  (  69.07, 121.54)    3.44                 8
 11/23/2020   04:42:33   ( -68.95, -70.93) 11/23/2020   04:41:30  ( -68.97, -70.96)    2.36                63
 11/25/2020   19:17:42   ( -69.81,  69.13) 11/25/2020   19:18:51  ( -69.75,  70.67)   59.74                69
 11/25/2020   20:08:14   (  69.11,-122.56) 11/25/2020   20:08:27  (  69.13,-122.50)    3.29                13
 11/25/2020   20:58:55   ( -68.96,  44.98) 11/25/2020   20:57:58  ( -68.98,  44.94)    2.79                57
 11/28/2020   11:34:08   ( -70.03,-175.28) 11/28/2020   11:35:16  ( -69.91,-173.21)   79.99                68
 11/28/2020   12:24:36   (  69.13,  -6.65) 11/28/2020   12:24:55  (  69.14,  -6.61)    1.91                19
 11/28/2020   13:15:17   ( -68.97, 160.88) 11/28/2020   13:14:26  ( -68.98, 160.82)    2.82                51