Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 10 25.  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)
 10/27/2020   07:27:02   (  69.91,  66.54) 10/27/2020   07:28:10  (  69.77,  68.42)   73.72                68
 10/27/2020   08:17:29   ( -69.04,-124.89) 10/27/2020   08:17:51  ( -69.05,-124.90)    1.98                22
 10/27/2020   09:08:13   (  68.95,  42.55) 10/27/2020   09:07:18  (  68.94,  42.60)    2.26                55
 10/29/2020   23:43:28   (  70.11,-177.86) 10/29/2020   23:44:34  (  69.99,-175.39)   94.57                66
 10/30/2020   00:33:52   ( -69.08,  -9.02) 10/30/2020   00:34:19  ( -69.06,  -9.01)    1.76                27
 10/30/2020   01:24:35   (  68.94, 158.48) 10/30/2020   01:23:46  (  68.95, 158.49)    0.90                49
 11/01/2020   16:50:13   ( -69.06, 106.91) 11/01/2020   16:50:46  ( -69.06, 106.88)    1.44                33
 11/01/2020   17:40:56   (  68.93, -85.60) 11/01/2020   17:40:13  (  68.95, -85.63)    1.79                43
 11/04/2020   09:06:36   ( -69.11,-137.23) 11/04/2020   09:07:13  ( -69.12,-137.18)    2.35                37
 11/04/2020   09:57:19   (  68.98,  30.25) 11/04/2020   09:56:40  (  68.99,  30.31)    2.71                39
 11/07/2020   01:22:58   ( -69.10, -21.30) 11/07/2020   01:23:41  ( -69.11, -21.30)    1.08                43
 11/07/2020   02:13:41   (  68.98, 146.18) 11/07/2020   02:13:08  (  68.98, 146.18)    0.42                33