Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 8 28.  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)
 08/29/2020   08:35:49   ( -68.99,-129.60) 08/29/2020   08:36:32  ( -68.96,-129.64)    3.29                43
 08/29/2020   09:26:33   (  68.88,  37.85) 08/29/2020   09:25:59  (  68.86,  37.88)    2.61                34
 09/01/2020   00:52:12   ( -69.00, -13.70) 09/01/2020   00:53:00  ( -69.02, -13.68)    2.42                48
 09/01/2020   01:42:56   (  68.89, 153.76) 09/01/2020   01:42:28  (  68.86, 153.76)    3.55                28
 09/01/2020   02:33:20   ( -67.87, -37.60) 09/01/2020   02:32:13  ( -67.91, -39.75)   90.35                67
 09/03/2020   17:08:35   ( -69.01, 102.20) 09/03/2020   17:09:29  ( -69.02, 102.19)    1.03                54
 09/03/2020   17:59:19   (  68.90, -90.34) 09/03/2020   17:58:56  (  68.91, -90.30)    1.93                23
 09/03/2020   18:49:47   ( -68.10,  78.03) 09/03/2020   18:48:38  ( -68.13,  76.38)   68.50                69
 09/06/2020   09:24:57   ( -69.02,-141.90) 09/06/2020   09:25:57  ( -69.01,-141.93)    1.50                60
 09/06/2020   10:15:41   (  68.91,  25.56) 09/06/2020   10:15:24  (  68.90,  25.57)    1.26                17
 09/06/2020   11:06:13   ( -68.32,-166.34) 09/06/2020   11:05:02  ( -68.35,-167.48)   46.74                71
 09/09/2020   01:41:20   ( -69.03, -26.00) 09/09/2020   01:42:25  ( -69.06, -25.99)    3.06                65
 09/09/2020   02:32:04   (  68.92, 141.45) 09/09/2020   02:31:52  (  68.94, 141.50)    3.04                12
 09/09/2020   03:22:39   ( -68.49, -50.65) 09/09/2020   03:21:27  ( -68.56, -51.34)   28.92                72