Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 2 29.  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)
 02/29/2020   03:29:02   (  68.68, 127.03) 02/29/2020   03:28:12  (  68.70, 127.04)    2.23                50
 03/02/2020   18:54:44   ( -68.84,  75.41) 03/02/2020   18:55:13  ( -68.81,  75.42)    3.10                29
 03/02/2020   19:45:27   (  68.70,-117.10) 03/02/2020   19:44:40  (  68.69,-117.08)    1.41                47
 03/05/2020   11:11:08   ( -68.81,-168.64) 03/05/2020   11:11:40  ( -68.79,-168.71)    3.10                32
 03/05/2020   12:01:51   (  68.68,  -1.16) 03/05/2020   12:01:07  (  68.67,  -1.22)    2.59                44
 03/08/2020   03:27:32   ( -68.83, -52.77) 03/08/2020   03:28:04  ( -68.81, -52.79)    2.58                32
 03/08/2020   04:18:15   (  68.71, 114.70) 03/08/2020   04:17:31  (  68.68, 114.69)    3.07                44
 03/10/2020   19:43:56   ( -68.80,  63.17) 03/10/2020   19:44:28  ( -68.80,  63.11)    2.39                32
 03/10/2020   20:34:39   (  68.68,-129.36) 03/10/2020   20:33:55  (  68.67,-129.41)    2.50                44
 03/13/2020   12:00:21   ( -68.83, 179.03) 03/13/2020   12:00:50  ( -68.84, 179.05)    1.11                29
 03/13/2020   12:51:04   (  68.72, -13.50) 03/13/2020   12:50:17  (  68.70, -13.47)    2.30                47