Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 1 5.  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)
 01/06/2020   11:28:38   ( -68.79,-173.07) 01/06/2020   11:29:18  ( -68.79,-173.12)    1.92                40
 01/06/2020   12:19:22   (  68.67,  -5.60) 01/06/2020   12:18:45  (  68.69,  -5.60)    3.05                37
 01/09/2020   03:45:04   ( -68.84, -57.24) 01/09/2020   03:45:46  ( -68.83, -57.20)    2.21                42
 01/09/2020   04:35:47   (  68.66, 110.31) 01/09/2020   04:35:14  (  68.67, 110.25)    2.68                33
 01/11/2020   20:01:29   ( -68.84,  58.67) 01/11/2020   20:02:14  ( -68.86,  58.72)    3.32                45
 01/11/2020   20:52:13   (  68.71,-133.86) 01/11/2020   20:51:42  (  68.69,-133.84)    2.00                31
 01/11/2020   21:42:35   ( -67.60,  34.88) 01/11/2020   21:41:29  ( -67.64,  32.54)   99.19                66
 01/14/2020   12:17:53   ( -68.83, 174.57) 01/14/2020   12:18:42  ( -68.83, 174.57)    0.38                49
 01/14/2020   13:08:37   (  68.71, -17.96) 01/14/2020   13:08:09  (  68.72, -17.93)    1.57                28
 01/14/2020   13:59:02   ( -67.76, 150.59) 01/14/2020   13:57:54  ( -67.78, 148.58)   84.45                68
 01/17/2020   04:34:18   ( -68.83, -69.53) 01/17/2020   04:35:10  ( -68.85, -69.52)    2.44                52
 01/17/2020   05:25:02   (  68.71,  97.94) 01/17/2020   05:24:38  (  68.68,  97.91)    3.26                24
 01/17/2020   06:15:29   ( -67.86, -93.64) 01/17/2020   06:14:20  ( -67.91, -95.38)   72.94                69