Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 4 21.  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)
 04/22/2019   01:33:29   ( -66.47,-160.45) 04/22/2019   01:34:30  ( -66.48,-160.44)    0.33                61
 04/22/2019   02:22:55   (  70.57,  12.30) 04/22/2019   02:22:41  (  70.56,  12.25)    1.88                14
 04/24/2019   17:49:51   ( -66.73, -44.28) 04/24/2019   17:50:51  ( -66.73, -44.29)    0.48                60
 04/24/2019   18:39:36   (  69.87, 127.09) 04/24/2019   18:39:20  (  69.88, 127.15)    2.33                16
 04/27/2019   10:06:12   ( -67.09,  72.01) 04/27/2019   10:07:11  ( -67.09,  71.98)    1.53                59
 04/27/2019   10:55:58   (  70.17,-116.58) 04/27/2019   10:55:41  (  70.17,-116.55)    1.13                17
 04/30/2019   02:22:53   ( -66.37,-172.92) 04/30/2019   02:23:50  ( -66.38,-172.88)    1.81                57
 04/30/2019   03:12:19   (  70.52,  -0.15) 04/30/2019   03:12:01  (  70.52,  -0.16)    0.38                18
 05/02/2019   18:39:10   ( -66.89, -56.46) 05/02/2019   18:40:06  ( -66.90, -56.45)    0.22                56