Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 8 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)
 08/23/2019   07:00:20   (  67.90, -60.75) 08/23/2019   07:01:05  (  67.90, -60.72)    1.28                45
 08/23/2019   07:49:53   ( -71.73, 112.32) 08/23/2019   07:49:23  ( -71.72, 112.26)    2.41                30
 08/25/2019   23:16:36   (  68.47,  55.87) 08/25/2019   23:17:24  (  68.47,  55.83)    1.70                48
 08/26/2019   00:06:28   ( -71.30,-132.56) 08/26/2019   00:06:00  ( -71.30,-132.57)    0.16                28
 08/28/2019   15:33:09   (  68.07, 171.24) 08/28/2019   15:33:59  (  68.07, 171.24)    0.23                50
 08/28/2019   16:23:01   ( -70.92, -17.33) 08/28/2019   16:22:35  ( -70.92, -17.28)    1.74                26
 08/31/2019   07:49:42   (  67.73, -73.30) 08/31/2019   07:50:34  (  67.73, -73.28)    0.93                52
 08/31/2019   08:39:17   ( -71.47,  99.50) 08/31/2019   08:38:54  ( -71.46,  99.45)    1.98                23
 09/03/2019   00:06:14   (  67.43,  42.23) 09/03/2019   00:07:08  (  67.44,  42.27)    1.70                54