Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 9 13.  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)
 09/14/2020   10:14:09   ( -69.23,-154.45) 09/14/2020   10:15:20  ( -69.18,-154.08)   15.44                71
 09/14/2020   11:04:49   (  68.94,  13.25) 09/14/2020   11:04:48  (  68.96,  13.29)    2.76                 1
 09/14/2020   11:55:29   ( -68.80,-179.22) 09/14/2020   11:54:19  ( -68.79,-179.29)    2.79                70
 09/17/2020   02:30:34   ( -69.40, -38.78) 09/17/2020   02:31:45  ( -69.33, -38.00)   31.43                71
 09/17/2020   03:21:12   (  68.96, 129.15) 09/17/2020   03:21:17  (  68.95, 129.15)    1.64                 5
 09/17/2020   04:11:52   ( -68.81, -63.33) 09/17/2020   04:10:47  ( -68.83, -63.36)    2.61                65
 09/19/2020   18:47:01   ( -69.63,  76.81) 09/19/2020   18:48:10  ( -69.53,  78.15)   53.17                69
 09/19/2020   19:37:35   (  68.98,-114.96) 09/19/2020   19:37:45  (  68.98,-114.93)    1.51                10
 09/19/2020   20:28:15   ( -68.83,  52.56) 09/19/2020   20:27:16  ( -68.82,  52.50)    2.78                59
 09/22/2020   11:03:27   ( -69.80,-167.54) 09/22/2020   11:04:35  ( -69.74,-165.69)   71.30                68
 09/22/2020   11:53:57   (  68.94,   1.00) 09/22/2020   11:54:14  (  68.96,   0.93)    3.46                17
 09/22/2020   12:44:38   ( -68.84, 168.46) 09/22/2020   12:43:44  ( -68.86, 168.43)    1.77                54
 09/25/2020   03:19:53   ( -70.03, -51.96) 09/25/2020   03:20:59  ( -69.94, -49.53)   93.24                66
 09/25/2020   04:10:20   (  69.02, 116.81) 09/25/2020   04:10:41  (  68.99, 116.85)    2.86                21
 09/25/2020   05:01:00   ( -68.86, -75.65) 09/25/2020   05:00:12  ( -68.84, -75.71)    3.35                48