Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 8 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)
 08/26/2020   16:19:26   ( -68.95, 114.53) 08/26/2020   16:20:03  ( -68.98, 114.52)    3.37                37
 08/26/2020   17:10:10   (  68.85, -78.02) 08/26/2020   17:09:31  (  68.83, -78.04)    2.80                39
 08/29/2020   08:35:49   ( -68.96,-129.57) 08/29/2020   08:36:32  ( -68.99,-129.60)    3.02                43
 08/29/2020   09:26:33   (  68.86,  37.88) 08/29/2020   09:25:59  (  68.88,  37.91)    2.76                34
 09/01/2020   00:52:11   ( -68.97, -13.67) 09/01/2020   00:53:00  ( -68.98, -13.72)    2.69                49
 09/01/2020   01:42:55   (  68.87, 153.79) 09/01/2020   01:42:27  (  68.87, 153.78)    1.03                28
 09/01/2020   02:33:19   ( -67.84, -37.57) 09/01/2020   02:32:12  ( -67.93, -39.73)   90.92                67
 09/03/2020   17:08:35   ( -69.04, 102.16) 09/03/2020   17:09:28  ( -69.03, 102.22)    2.36                53
 09/03/2020   17:59:18   (  68.88, -90.31) 09/03/2020   17:58:56  (  68.86, -90.35)    2.01                22
 09/03/2020   18:49:46   ( -68.07,  78.06) 09/03/2020   18:48:37  ( -68.15,  76.41)   69.28                69
 09/06/2020   09:24:58   ( -69.05,-141.94) 09/06/2020   09:25:57  ( -69.02,-141.92)    3.09                59
 09/06/2020   10:15:41   (  68.89,  25.58) 09/06/2020   10:15:24  (  68.90,  25.58)    1.99                17
 09/06/2020   11:06:13   ( -68.30,-166.31) 09/06/2020   11:05:02  ( -68.36,-167.46)   47.74                71