Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 8 16.  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)
 08/17/2019   11:16:31   ( -68.82,-170.02) 08/17/2019   11:17:13  ( -68.81,-170.04)    1.49                42
 08/17/2019   12:07:15   (  68.71,  -2.56) 08/17/2019   12:06:40  (  68.70,  -2.52)    1.51                35
 08/20/2019   03:32:57   ( -68.83, -54.15) 08/20/2019   03:33:40  ( -68.83, -54.13)    1.18                43
 08/20/2019   04:23:40   (  68.67, 113.37) 08/20/2019   04:23:08  (  68.67, 113.32)    2.39                32
 08/22/2019   19:49:23   ( -68.80,  61.78) 08/22/2019   19:50:09  ( -68.80,  61.71)    2.68                46
 08/22/2019   20:40:07   (  68.69,-130.76) 08/22/2019   20:39:36  (  68.69,-130.78)    0.61                31
 08/25/2019   12:05:50   ( -68.82, 177.63) 08/25/2019   12:06:37  ( -68.82, 177.62)    1.01                47
 08/25/2019   12:56:34   (  68.71, -14.91) 08/25/2019   12:56:04  (  68.71, -14.88)    1.26                30
 08/25/2019   13:46:57   ( -67.63, 153.78) 08/25/2019   13:45:50  ( -67.71, 151.57)   93.91                67
 08/28/2019   04:22:17   ( -68.85, -66.51) 08/28/2019   04:23:05  ( -68.83, -66.48)    1.74                48
 08/28/2019   05:13:01   (  68.73, 100.95) 08/28/2019   05:12:32  (  68.72, 101.02)    3.14                29
 08/28/2019   06:03:25   ( -67.71, -90.42) 08/28/2019   06:02:17  ( -67.78, -92.47)   86.43                68