Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 7 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)
 07/17/2020   10:32:34   ( -69.93,-160.22) 07/17/2020   10:33:41  ( -69.81,-157.86)   91.45                67
 07/17/2020   11:23:00   (  68.91,   8.57) 07/17/2020   11:23:22  (  68.93,   8.62)    3.35                22
 07/17/2020   12:13:41   ( -68.76, 176.08) 07/17/2020   12:12:53  ( -68.77, 176.05)    1.30                48
 07/20/2020   03:39:23   (  68.90, 124.49) 07/20/2020   03:39:52  (  68.90, 124.46)    1.11                29
 07/20/2020   04:30:05   ( -68.81, -68.06) 07/20/2020   04:29:22  ( -68.79, -68.04)    1.76                43
 07/22/2020   19:55:47   (  68.95,-119.66) 07/22/2020   19:56:21  (  68.92,-119.63)    3.23                34
 07/22/2020   20:46:28   ( -68.80,  47.86) 07/22/2020   20:45:51  ( -68.82,  47.87)    2.41                37
 07/25/2020   12:12:10   (  68.94,  -3.74) 07/25/2020   12:12:50  (  68.94,  -3.73)    0.56                40
 07/25/2020   13:02:52   ( -68.84, 163.71) 07/25/2020   13:02:20  ( -68.84, 163.78)    2.57                32
 07/28/2020   04:28:32   (  68.94, 112.18) 07/28/2020   04:29:18  (  68.95, 112.17)    1.84                46
 07/28/2020   05:19:14   ( -68.83, -80.36) 07/28/2020   05:18:48  ( -68.86, -80.32)    2.85                26