Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 8 14.  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)
 08/14/2019   19:00:04   ( -68.80,  74.12) 08/14/2019   19:00:44  ( -68.83,  74.11)    3.30                40
 08/14/2019   19:50:48   (  68.69,-118.43) 08/14/2019   19:50:12  (  68.67,-118.44)    2.60                36
 08/17/2019   11:16:31   ( -68.82,-170.02) 08/17/2019   11:17:13  ( -68.80,-170.04)    1.83                42
 08/17/2019   12:07:15   (  68.71,  -2.56) 08/17/2019   12:06:40  (  68.70,  -2.53)    1.91                35
 08/20/2019   03:32:57   ( -68.83, -54.15) 08/20/2019   03:33:40  ( -68.83, -54.13)    1.05                43
 08/20/2019   04:23:40   (  68.67, 113.37) 08/20/2019   04:23:08  (  68.66, 113.31)    2.66                32
 08/22/2019   19:49:24   ( -68.85,  61.71) 08/22/2019   19:50:08  ( -68.85,  61.78)    2.80                44
 08/22/2019   20:40:07   (  68.69,-130.76) 08/22/2019   20:39:36  (  68.69,-130.78)    0.90                31
 08/25/2019   12:05:50   ( -68.81, 177.65) 08/25/2019   12:06:37  ( -68.82, 177.62)    1.29                47
 08/25/2019   12:56:34   (  68.70, -14.90) 08/25/2019   12:56:04  (  68.71, -14.88)    0.83                30
 08/25/2019   13:46:57   ( -67.62, 153.79) 08/25/2019   13:45:50  ( -67.71, 151.57)   94.46                67
 08/28/2019   04:22:17   ( -68.83, -66.49) 08/28/2019   04:23:05  ( -68.84, -66.48)    0.96                48