Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 5 7.  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   03:12:02   ( -67.03, 175.47) 05/08/2019   03:13:06  ( -67.02, 175.42)    2.21                64
 05/08/2019   04:01:49   (  70.05, -13.22) 05/08/2019   04:01:37  (  70.06, -13.20)    0.72                12
 05/10/2019   19:28:41   ( -66.41, -69.34) 05/10/2019   19:29:45  ( -66.41, -69.34)    0.21                64
 05/10/2019   20:18:07   (  70.56, 103.45) 05/10/2019   20:17:56  (  70.55, 103.40)    1.86                11
 05/13/2019   11:45:18   ( -65.90,  45.99) 05/13/2019   11:46:22  ( -65.90,  46.04)    2.25                64
 05/13/2019   12:34:42   (  70.16,-141.29) 05/13/2019   12:34:31  (  70.16,-141.29)    0.28                11
 05/16/2019   04:01:32   ( -66.63, 162.67) 05/16/2019   04:02:37  ( -66.63, 162.65)    0.64                65
 05/16/2019   04:51:16   (  69.81, -25.94) 05/16/2019   04:51:05  (  69.82, -25.88)    2.07                11
 05/18/2019   20:18:05   ( -66.28, -81.84) 05/18/2019   20:19:10  ( -66.28, -81.82)    0.80                65
 05/18/2019   21:07:29   (  70.52,  91.04) 05/18/2019   21:07:19  (  70.52,  91.00)    1.58                10