Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 9 3.  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)
 09/05/2019   05:11:35   ( -68.82, -78.81) 09/05/2019   05:12:28  ( -68.81, -78.87)    2.85                53
 09/05/2019   06:02:19   (  68.69,  88.67) 09/05/2019   06:01:55  (  68.71,  88.64)    2.34                24
 09/05/2019   06:52:46   ( -67.85,-102.92) 09/05/2019   06:51:37  ( -67.92,-104.66)   73.46                69
 09/07/2019   21:28:02   ( -68.84,  37.05) 09/07/2019   21:28:55  ( -68.86,  37.07)    2.25                53
 09/07/2019   22:18:45   (  68.72,-155.47) 09/07/2019   22:18:22  (  68.70,-155.48)    1.83                23
 09/07/2019   23:09:12   ( -67.87,  12.93) 09/07/2019   23:08:03  ( -67.97,  11.28)   70.28                69
 09/10/2019   13:44:28   ( -68.87, 152.90) 09/10/2019   13:45:22  ( -68.85, 152.94)    2.45                54
 09/10/2019   14:35:11   (  68.69, -39.55) 09/10/2019   14:34:50  (  68.69, -39.62)    2.78                21
 09/10/2019   15:25:40   ( -67.95, 128.72) 09/10/2019   15:24:31  ( -67.96, 127.15)   65.86                69
 09/13/2019   06:00:54   ( -68.84, -91.17) 09/13/2019   06:01:50  ( -68.84, -91.20)    1.03                56
 09/13/2019   06:51:38   (  68.72,  76.30) 09/13/2019   06:51:17  (  68.72,  76.31)    0.75                21
 09/13/2019   07:42:07   ( -67.98,-115.42) 09/13/2019   07:40:57  ( -68.06,-116.86)   60.60                70
 09/15/2019   22:17:21   ( -68.87,  24.68) 09/15/2019   22:18:17  ( -68.87,  24.73)    2.12                56
 09/15/2019   23:08:04   (  68.69,-167.78) 09/15/2019   23:07:45  (  68.70,-167.84)    2.42                19
 09/15/2019   23:58:34   ( -68.00,   0.43) 09/15/2019   23:57:24  ( -68.09,  -0.94)   57.84                70