Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 11 14.  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)
 11/15/2020   02:12:04   ( -69.17, -33.63) 11/15/2020   02:13:09  ( -69.19, -33.58)    3.24                65
 11/15/2020   03:02:47   (  69.05, 133.85) 11/15/2020   03:02:37  (  69.03, 133.85)    1.77                10
 11/15/2020   03:53:23   ( -68.63, -58.27) 11/15/2020   03:52:11  ( -68.70, -58.93)   27.71                72
 11/17/2020   18:28:25   ( -69.17,  82.29) 11/17/2020   18:29:37  ( -69.17,  82.26)    0.90                72
 11/17/2020   19:19:08   (  69.05,-110.24) 11/17/2020   19:19:04  (  69.06,-110.23)    0.62                 4
 11/17/2020   20:09:48   ( -68.85,  57.36) 11/17/2020   20:08:35  ( -68.90,  57.19)    8.30                73
 11/20/2020   10:44:51   ( -69.39,-162.10) 11/20/2020   10:46:03  ( -69.30,-161.68)   18.90                72
 11/20/2020   11:35:30   (  69.06,   5.67) 11/20/2020   11:35:32  (  69.08,   5.68)    2.25                 2
 11/20/2020   12:26:12   ( -68.96, 173.13) 11/20/2020   12:25:02  ( -68.98, 173.18)    2.55                70
 11/23/2020   03:01:17   ( -69.60, -46.49) 11/23/2020   03:02:28  ( -69.49, -45.55)   38.69                71
 11/23/2020   03:51:52   (  69.07, 121.58) 11/23/2020   03:52:00  (  69.10, 121.58)    3.20                 8
 11/23/2020   04:42:34   ( -68.97, -70.96) 11/23/2020   04:41:31  ( -68.94, -70.99)    3.12                63
 11/25/2020   19:17:43   ( -69.82,  69.11) 11/25/2020   19:18:52  ( -69.72,  70.64)   60.17                69
 11/25/2020   20:08:15   (  69.13,-122.58) 11/25/2020   20:08:28  (  69.11,-122.53)    3.34                13
 11/25/2020   20:58:56   ( -68.97,  44.95) 11/25/2020   20:57:59  ( -68.95,  44.91)    2.79                57
 11/28/2020   11:34:08   ( -70.04,-175.30) 11/28/2020   11:35:15  ( -69.95,-173.16)   82.19                67
 11/28/2020   12:24:36   (  69.14,  -6.68) 11/28/2020   12:24:55  (  69.11,  -6.64)    3.31                19
 11/28/2020   13:15:17   ( -68.98, 160.86) 11/28/2020   13:14:26  ( -68.96, 160.80)    3.41                51