Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 1 26.  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)
 01/27/2020   21:40:12   ( -69.64,  32.94) 01/27/2020   21:41:20  ( -69.52,  34.75)   71.46                68
 01/27/2020   22:30:42   (  68.77,-158.53) 01/27/2020   22:30:59  (  68.76,-158.60)    2.80                17
 01/27/2020   23:21:23   ( -68.67,   8.91) 01/27/2020   23:20:29  ( -68.64,   8.90)    3.28                54
 01/30/2020   13:56:41   ( -69.90, 148.45) 01/30/2020   13:57:47  ( -69.80, 150.99)   98.15                66
 01/30/2020   14:47:07   (  68.83, -42.72) 01/30/2020   14:47:30  (  68.81, -42.67)    2.85                23
 01/30/2020   15:37:47   ( -68.67, 124.81) 01/30/2020   15:37:00  ( -68.70, 124.83)    3.21                47
 02/02/2020   07:03:32   (  68.83,  73.18) 02/02/2020   07:04:03  (  68.81,  73.19)    3.19                31
 02/02/2020   07:54:12   ( -68.68,-119.29) 02/02/2020   07:53:33  ( -68.70,-119.30)    3.24                39
 02/04/2020   23:19:57   (  68.84,-170.94) 02/04/2020   23:20:35  (  68.86,-170.88)    3.10                38
 02/05/2020   00:10:38   ( -68.73,  -3.46) 02/05/2020   00:10:06  ( -68.71,  -3.44)    2.89                32
 02/07/2020   15:36:22   (  68.85, -55.05) 02/07/2020   15:37:08  (  68.86, -55.02)    1.55                46
 02/07/2020   16:27:03   ( -68.73, 112.43) 02/07/2020   16:26:39  ( -68.71, 112.43)    2.63                24
 02/07/2020   17:17:29   (  67.66, -78.89) 02/07/2020   17:16:22  (  67.70, -81.13)   94.79                67