Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 7 8.  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)
 07/09/2020   09:43:14   ( -69.31,-147.03) 07/09/2020   09:44:25  ( -69.18,-146.34)   30.85                71
 07/09/2020   10:33:51   (  68.86,  20.90) 07/09/2020   10:33:56  (  68.84,  20.88)    1.71                 5
 07/09/2020   11:24:32   ( -68.72,-171.59) 07/09/2020   11:23:26  ( -68.74,-171.62)    2.61                66
 07/12/2020   01:59:40   ( -69.45, -31.32) 07/12/2020   02:00:50  ( -69.38, -30.20)   44.72                70
 07/12/2020   02:50:15   (  68.90, 136.76) 07/12/2020   02:50:24  (  68.87, 136.80)    3.14                 9
 07/12/2020   03:40:56   ( -68.75, -55.73) 07/12/2020   03:39:54  ( -68.77, -55.70)    2.45                62
 07/14/2020   18:16:06   ( -69.64,  84.31) 07/14/2020   18:17:15  ( -69.51,  85.87)   62.18                69
 07/14/2020   19:06:37   (  68.88,-107.31) 07/14/2020   19:06:51  (  68.90,-107.29)    1.67                14
 07/14/2020   19:57:18   ( -68.73,  60.21) 07/14/2020   19:56:22  ( -68.74,  60.15)    2.65                56
 07/17/2020   10:32:32   ( -69.78,-159.99) 07/17/2020   10:33:40  ( -69.69,-158.00)   77.14                68
 07/17/2020   11:23:01   (  68.92,   8.55) 07/17/2020   11:23:19  (  68.91,   8.61)    2.96                18
 07/17/2020   12:13:42   ( -68.77, 176.07) 07/17/2020   12:12:50  ( -68.76, 176.05)    1.28                52
 07/20/2020   02:48:59   ( -69.97, -44.37) 07/20/2020   02:50:05  ( -69.87, -41.87)   95.86                66
 07/20/2020   03:39:24   (  68.91, 124.48) 07/20/2020   03:39:47  (  68.92, 124.51)    1.77                23
 07/20/2020   04:30:05   ( -68.75, -67.99) 07/20/2020   04:29:18  ( -68.77, -68.05)    3.21                47