Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 1 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)
 01/30/2020   13:56:42   ( -69.91, 148.43) 01/30/2020   13:57:48  ( -69.78, 150.96)   98.25                66
 01/30/2020   14:47:07   (  68.78, -42.65) 01/30/2020   14:47:31  (  68.79, -42.69)    1.80                24
 01/30/2020   15:37:48   ( -68.69, 124.80) 01/30/2020   15:37:01  ( -68.68, 124.81)    0.59                47
 02/02/2020   07:03:32   (  68.85,  73.16) 02/02/2020   07:04:02  (  68.84,  73.23)    2.91                30
 02/02/2020   07:54:12   ( -68.69,-119.31) 02/02/2020   07:53:33  ( -68.68,-119.34)    2.00                39
 02/04/2020   23:19:56   (  68.80,-170.88) 02/04/2020   23:20:35  (  68.82,-170.93)    2.71                39
 02/05/2020   00:10:37   ( -68.69,  -3.41) 02/05/2020   00:10:05  ( -68.72,  -3.42)    2.73                32
 02/07/2020   15:36:22   (  68.87, -55.07) 02/07/2020   15:37:07  (  68.85, -55.02)    2.39                45
 02/07/2020   16:27:02   ( -68.70, 112.48) 02/07/2020   16:26:38  ( -68.70, 112.42)    2.40                24
 02/07/2020   17:17:28   (  67.62, -78.84) 02/07/2020   17:16:22  (  67.63, -81.20)   99.85                66
 02/10/2020   07:52:47   (  68.88,  60.82) 02/10/2020   07:53:39  (  68.89,  60.88)    2.72                52
 02/10/2020   08:43:28   ( -68.76,-131.70) 02/10/2020   08:43:10  ( -68.74,-131.67)    2.74                18
 02/10/2020   09:33:58   (  67.91,  36.71) 02/10/2020   09:32:49  (  67.95,  35.02)   70.75                69