Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 10 26.  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,  66.53) 10/27/2020   07:28:10  (  69.77,  68.42)   73.89                68
 10/27/2020   08:17:29   ( -69.04,-124.89) 10/27/2020   08:17:51  ( -69.05,-124.90)    1.56                22
 10/27/2020   09:08:13   (  68.95,  42.55) 10/27/2020   09:07:18  (  68.94,  42.60)    2.43                55
 10/29/2020   23:43:28   (  70.11,-177.86) 10/29/2020   23:44:34  (  70.00,-175.38)   94.89                66
 10/30/2020   00:33:52   ( -69.08,  -9.03) 10/30/2020   00:34:19  ( -69.06,  -9.01)    2.37                27
 10/30/2020   01:24:35   (  68.94, 158.47) 10/30/2020   01:23:46  (  68.95, 158.49)    0.95                49
 11/01/2020   16:50:13   ( -69.07, 106.90) 11/01/2020   16:50:46  ( -69.07, 106.88)    1.24                33
 11/01/2020   17:40:56   (  68.94, -85.61) 11/01/2020   17:40:13  (  68.95, -85.63)    1.16                43
 11/04/2020   09:06:36   ( -69.12,-137.24) 11/04/2020   09:07:13  ( -69.12,-137.17)    2.83                37
 11/04/2020   09:57:18   (  68.94,  30.32) 11/04/2020   09:56:41  (  68.94,  30.25)    2.70                37
 11/07/2020   01:22:58   ( -69.11, -21.32) 11/07/2020   01:23:41  ( -69.11, -21.30)    0.73                43
 11/07/2020   02:13:41   (  68.99, 146.16) 11/07/2020   02:13:08  (  68.99, 146.19)    1.29                33