Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 7 26.  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)
 07/27/2019   00:14:35   (  69.85, 174.11) 07/27/2019   00:15:41  (  69.74, 176.52)   93.30                66
 07/27/2019   01:04:59   ( -68.80, -17.09) 07/27/2019   01:05:26  ( -68.81, -17.08)    0.79                27
 07/27/2019   01:55:42   (  68.67, 150.40) 07/27/2019   01:54:53  (  68.69, 150.42)    3.32                49
 07/29/2019   16:31:03   (  69.91, -70.10) 07/29/2019   16:32:09  (  69.79, -67.54)   99.17                66
 07/29/2019   17:21:26   ( -68.81,  98.78) 07/29/2019   17:21:55  ( -68.80,  98.79)    1.13                29
 07/29/2019   18:12:09   (  68.68, -93.73) 07/29/2019   18:11:22  (  68.69, -93.70)    1.66                47
 08/01/2019   09:37:52   ( -68.83,-145.35) 08/01/2019   09:38:23  ( -68.80,-145.34)    3.02                31
 08/01/2019   10:28:35   (  68.69,  22.14) 08/01/2019   10:27:50  (  68.68,  22.16)    1.38                45
 08/04/2019   01:54:18   ( -68.79, -29.41) 08/04/2019   01:54:52  ( -68.79, -29.47)    2.13                34
 08/04/2019   02:45:01   (  68.65, 138.08) 08/04/2019   02:44:19  (  68.67, 138.03)    3.13                42
 08/06/2019   18:10:45   ( -68.80,  86.45) 08/06/2019   18:11:21  ( -68.78,  86.40)    2.93                36
 08/06/2019   19:01:28   (  68.67,-106.06) 08/06/2019   19:00:48  (  68.66,-106.10)    1.91                40