Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 4 20.  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   ( -66.45,-160.48) 04/22/2019   01:34:30  ( -66.45,-160.47)    0.39                61
 04/22/2019   02:22:55   (  70.60,  12.34) 04/22/2019   02:22:41  (  70.59,  12.29)    1.90                14
 04/24/2019   17:49:52   ( -66.70, -44.31) 04/24/2019   17:50:52  ( -66.70, -44.32)    0.28                60
 04/24/2019   18:39:37   (  69.84, 127.05) 04/24/2019   18:39:21  (  69.85, 127.11)    2.44                16
 04/27/2019   10:06:14   ( -67.01,  71.92) 04/27/2019   10:07:13  ( -67.01,  71.89)    1.14                59
 04/27/2019   10:55:59   (  70.09,-116.70) 04/27/2019   10:55:42  (  70.09,-116.66)    1.47                17
 04/30/2019   02:22:34   ( -67.37,-171.78) 04/30/2019   02:23:32  ( -67.37,-171.83)    2.21                58
 04/30/2019   03:12:21   (  70.39,  -0.36) 04/30/2019   03:12:03  (  70.39,  -0.35)    0.26                18
 05/02/2019   18:39:15   ( -66.65, -56.73) 05/02/2019   18:40:11  ( -66.66, -56.71)    1.21                56