Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 5 6.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(AQUA) AQUA Lat/Lon    Distance(km)  Time Diff(sec)
 05/08/2019   03:12:22   ( -65.95, 174.28) 05/08/2019   03:13:25  ( -65.96, 174.33)    2.21                63
 05/08/2019   04:01:47   (  70.17, -13.04) 05/08/2019   04:01:35  (  70.17, -13.03)    0.44                12
 05/10/2019   19:28:39   ( -66.53, -69.21) 05/10/2019   19:29:43  ( -66.53, -69.21)    0.21                64
 05/10/2019   20:18:06   (  70.62, 103.55) 05/10/2019   20:17:55  (  70.61, 103.49)    2.31                11
 05/13/2019   11:45:15   ( -66.08,  46.18) 05/13/2019   11:46:19  ( -66.08,  46.21)    1.70                64
 05/13/2019   12:34:40   (  70.28,-141.11) 05/13/2019   12:34:29  (  70.28,-141.12)    0.36                11
 05/16/2019   04:01:27   ( -66.87, 162.93) 05/16/2019   04:02:32  ( -66.87, 162.90)    1.39                65
 05/16/2019   04:51:12   (  69.99, -25.67) 05/16/2019   04:51:01  (  69.99, -25.64)    1.22                11
 05/18/2019   20:18:00   ( -66.58, -81.52) 05/18/2019   20:19:05  ( -66.58, -81.52)    0.18                65
 05/18/2019   21:07:43   (  69.81,  89.93) 05/18/2019   21:07:32  (  69.81,  89.99)    2.41                11