Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 7 15.  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)
 07/17/2020   10:32:34   ( -69.92,-160.20) 07/17/2020   10:33:41  ( -69.83,-157.83)   91.40                67
 07/17/2020   11:23:00   (  68.90,   8.58) 07/17/2020   11:23:23  (  68.89,   8.57)    0.82                23
 07/17/2020   12:13:42   ( -68.81, 176.02) 07/17/2020   12:12:53  ( -68.79, 176.07)    3.13                49
 07/20/2020   03:39:23   (  68.89, 124.50) 07/20/2020   03:39:52  (  68.92, 124.49)    3.23                29
 07/20/2020   04:30:05   ( -68.80, -68.05) 07/20/2020   04:29:22  ( -68.82, -68.01)    3.03                43
 07/22/2020   19:55:47   (  68.95,-119.66) 07/22/2020   19:56:21  (  68.95,-119.59)    2.80                34
 07/22/2020   20:46:28   ( -68.79,  47.87) 07/22/2020   20:45:52  ( -68.80,  47.85)    1.03                36
 07/25/2020   12:12:09   (  68.94,  -3.74) 07/25/2020   12:12:50  (  68.93,  -3.74)    1.65                41
 07/25/2020   13:02:51   ( -68.84, 163.71) 07/25/2020   13:02:20  ( -68.83, 163.77)    2.50                31
 07/28/2020   04:28:32   (  68.94, 112.17) 07/28/2020   04:29:19  (  68.96, 112.17)    1.67                47
 07/28/2020   05:19:14   ( -68.84, -80.37) 07/28/2020   05:18:49  ( -68.87, -80.32)    3.40                25
 07/28/2020   06:09:39   (  67.76,  88.34) 07/28/2020   06:08:33  (  67.79,  86.04)   96.79                66