Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 7 10.  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)
 07/10/2019   22:35:48   (  69.44,-160.61) 07/10/2019   22:36:57  (  69.32,-159.33)   51.94                69
 07/10/2019   23:26:19   ( -68.75,   7.66) 07/10/2019   23:26:35  ( -68.77,   7.60)    2.79                16
 07/11/2019   00:17:03   (  68.68, 175.06) 07/11/2019   00:16:02  (  68.65, 175.10)    3.32                61
 07/13/2019   14:52:14   (  69.44, -44.73) 07/13/2019   14:53:24  (  69.33, -43.43)   52.13                70
 07/13/2019   15:42:46   ( -68.80, 123.47) 07/13/2019   15:43:02  ( -68.79, 123.50)    2.40                16
 07/13/2019   16:33:29   (  68.68, -69.05) 07/13/2019   16:32:29  (  68.67, -69.00)    2.54                60
 07/16/2019   07:08:42   (  69.49,  71.08) 07/16/2019   07:09:51  (  69.40,  72.55)   57.94                69
 07/16/2019   07:59:13   ( -68.80,-120.64) 07/16/2019   07:59:30  ( -68.80,-120.60)    1.75                17
 07/16/2019   08:49:56   (  68.68,  46.83) 07/16/2019   08:48:57  (  68.68,  46.90)    2.81                59
 07/18/2019   23:25:10   (  69.54,-173.11) 07/18/2019   23:26:19  (  69.42,-171.55)   62.18                69
 07/19/2019   00:15:40   ( -68.80,  -4.75) 07/19/2019   00:15:58  ( -68.82,  -4.69)    3.31                18
 07/19/2019   01:06:22   (  68.63, 162.79) 07/19/2019   01:05:26  (  68.64, 162.73)    3.02                56
 07/21/2019   15:41:38   (  69.60, -57.30) 07/21/2019   15:42:46  (  69.49, -55.58)   67.92                68
 07/21/2019   16:32:07   ( -68.80, 111.14) 07/21/2019   16:32:27  ( -68.78, 111.14)    1.70                20
 07/21/2019   17:22:50   (  68.68, -81.40) 07/21/2019   17:21:54  (  68.66, -81.37)    2.51                56