Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 6 11.  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)
 06/11/2019   22:46:50   ( -63.97,-121.16) 06/11/2019   22:48:04  ( -63.94,-121.06)    5.93                74
 06/11/2019   23:35:47   (  69.70,  52.75) 06/11/2019   23:35:46  (  69.70,  52.77)    1.01                 1
 06/12/2019   00:23:45   ( -77.85,-118.50) 06/12/2019   00:22:31  ( -78.01,-119.25)   25.16                74
 06/14/2019   15:04:00   ( -61.60,  -7.27) 06/14/2019   15:05:14  ( -61.55,  -7.06)   12.44                74
 06/14/2019   15:52:14   (  69.70, 168.64) 06/14/2019   15:52:14  (  69.71, 168.66)    0.84                 0
 06/14/2019   16:40:53   ( -76.08,  -9.92) 06/14/2019   16:39:39  ( -76.17, -10.38)   16.32                74
 06/17/2019   07:21:08   ( -59.31, 106.95) 06/17/2019   07:22:22  ( -59.24, 107.25)   18.72                74
 06/17/2019   08:08:40   (  69.76, -75.39) 06/17/2019   08:08:41  (  69.76, -75.38)    0.33                 1
 06/17/2019   08:57:58   ( -74.29, 100.67) 06/17/2019   08:56:44  ( -74.33, 100.46)    8.09                74
 06/19/2019   23:38:14   ( -57.12,-138.57) 06/19/2019   23:39:28  ( -57.03,-138.19)   24.73                74
 06/20/2019   00:25:04   (  69.93,  40.74) 06/20/2019   00:25:06  (  69.92,  40.73)    0.53                 2
 06/20/2019   01:14:59   ( -72.60,-147.28) 06/20/2019   01:13:45  ( -72.61,-147.28)    1.07                74
 06/22/2019   15:55:16   ( -55.09, -23.86) 06/22/2019   15:56:29  ( -55.04, -23.39)   30.27                73
 06/22/2019   16:41:26   (  70.14, 156.95) 06/22/2019   16:41:29  (  70.14, 156.91)    1.73                 3