Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 6 8.  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)
 06/09/2019   06:29:36   ( -66.56, 125.55) 06/09/2019   06:30:50  ( -66.56, 125.51)    1.86                74
 06/09/2019   07:19:18   (  69.82, -62.96) 06/09/2019   07:19:16  (  69.82, -62.94)    0.49                 2
 06/09/2019   08:06:31   ( -79.60, 136.87) 06/09/2019   08:05:17  ( -79.86, 135.91)   35.31                74
 06/11/2019   22:46:47   ( -64.17,-120.98) 06/11/2019   22:48:01  ( -64.14,-120.89)    5.43                74
 06/11/2019   23:35:46   (  69.78,  52.86) 06/11/2019   23:35:45  (  69.78,  52.88)    0.59                 1
 06/12/2019   00:23:43   ( -77.95,-117.97) 06/12/2019   00:22:29  ( -78.12,-118.73)   25.67                74
 06/14/2019   15:03:57   ( -61.80,  -7.12) 06/14/2019   15:05:11  ( -61.75,  -6.91)   11.98                74
 06/14/2019   15:52:12   (  69.84, 168.84) 06/14/2019   15:52:12  (  69.84, 168.85)    0.35                 0
 06/14/2019   16:40:51   ( -76.19,  -9.51) 06/14/2019   16:39:37  ( -76.29,  -9.99)   16.82                74
 06/17/2019   07:21:04   ( -59.52, 107.09) 06/17/2019   07:22:18  ( -59.45, 107.38)   18.28                74
 06/17/2019   08:08:37   (  69.90, -75.19) 06/17/2019   08:08:38  (  69.90, -75.19)    0.23                 1
 06/17/2019   08:57:54   ( -74.46, 101.13) 06/17/2019   08:56:40  ( -74.51, 100.90)    8.81                74
 06/19/2019   23:38:09   ( -57.38,-138.41) 06/19/2019   23:39:23  ( -57.30,-138.04)   24.13                74
 06/20/2019   00:25:01   (  70.07,  40.95) 06/20/2019   00:25:03  (  70.06,  40.92)    1.14                 2