Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 8 10.  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)
 08/12/2019   02:43:38   ( -68.80, -41.78) 08/12/2019   02:44:16  ( -68.83, -41.77)    2.83                38
 08/12/2019   03:34:21   (  68.65, 125.74) 08/12/2019   03:33:44  (  68.67, 125.67)    3.43                37
 08/14/2019   19:00:04   ( -68.82,  74.09) 08/14/2019   19:00:44  ( -68.80,  74.07)    2.79                40
 08/14/2019   19:50:47   (  68.67,-118.40) 08/14/2019   19:50:11  (  68.69,-118.42)    2.91                36
 08/17/2019   11:16:31   ( -68.84,-170.05) 08/17/2019   11:17:12  ( -68.81,-170.03)    2.85                41
 08/17/2019   12:07:14   (  68.68,  -2.53) 08/17/2019   12:06:39  (  68.70,  -2.52)    2.49                35
 08/20/2019   03:32:57   ( -68.80, -54.12) 08/20/2019   03:33:40  ( -68.82, -54.14)    2.44                43
 08/20/2019   04:23:41   (  68.70, 113.33) 08/20/2019   04:23:07  (  68.71, 113.37)    2.06                34
 08/22/2019   19:49:24   ( -68.82,  61.74) 08/22/2019   19:50:08  ( -68.83,  61.75)    0.67                44
 08/22/2019   20:40:08   (  68.72,-130.81) 08/22/2019   20:39:35  (  68.72,-130.75)    2.40                33