Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 6 15.  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)
 06/17/2019   07:21:22   ( -58.53, 106.44) 06/17/2019   07:22:36  ( -58.46, 106.77)   20.80                74
 06/17/2019   08:08:45   (  69.51, -75.75) 06/17/2019   08:08:46  (  69.52, -75.71)    1.78                 1
 06/17/2019   08:58:10   ( -73.66,  99.13) 06/17/2019   08:56:56  ( -73.69,  99.00)    5.31                74
 06/19/2019   23:38:35   ( -55.88,-139.29) 06/19/2019   23:39:49  ( -55.78,-138.88)   28.01                74
 06/20/2019   00:25:12   (  69.46,  40.05) 06/20/2019   00:25:14  (  69.46,  40.10)    1.88                 2
 06/20/2019   01:14:55   ( -72.76,-146.96) 06/20/2019   01:13:42  ( -72.75,-147.02)    2.36                73
 06/22/2019   15:55:50   ( -53.15, -24.87) 06/22/2019   15:57:03  ( -53.09, -24.36)   35.27                73
 06/22/2019   16:41:40   (  69.40, 155.86) 06/22/2019   16:41:43  (  69.41, 155.91)    1.91                 3
 06/22/2019   17:31:23   ( -72.71, -31.17) 06/22/2019   17:30:11  ( -72.70, -31.23)    2.20                72
 06/25/2019   08:13:04   ( -50.47,  89.72) 06/25/2019   08:14:17  ( -50.38,  90.30)   42.30                73
 06/25/2019   08:58:07   (  69.40, -88.26) 06/25/2019   08:58:11  (  69.41, -88.22)    1.88                 4
 06/25/2019   09:47:50   ( -72.71,  84.71) 06/25/2019   09:46:39  ( -72.70,  84.65)    2.14                71
 06/28/2019   01:14:33   (  69.39,  27.62) 06/28/2019   01:14:38  (  69.40,  27.66)    1.78                 5