Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 12 19.  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)
 12/21/2019   21:00:59   (  68.25,  89.54) 12/21/2019   21:01:30  (  68.26,  89.59)    2.21                31
 12/21/2019   21:50:33   ( -72.02, -97.28) 12/21/2019   21:49:49  ( -72.01, -97.35)    2.47                44
 12/24/2019   13:17:25   (  68.16,-154.68) 12/24/2019   13:18:00  (  68.17,-154.64)    1.52                35
 12/24/2019   14:06:59   ( -71.93,  18.45) 12/24/2019   14:06:19  ( -71.92,  18.38)    2.61                40
 12/27/2019   05:33:48   (  68.29, -38.62) 12/27/2019   05:34:27  (  68.29, -38.62)    0.30                39
 12/27/2019   06:23:40   ( -71.12, 132.89) 12/27/2019   06:23:03  ( -71.13, 132.94)    1.93                37
 12/29/2019   21:50:10   (  68.46,  77.50) 12/29/2019   21:50:53  (  68.45,  77.47)    1.49                43
 12/29/2019   22:40:04   ( -71.19,-111.10) 12/29/2019   22:39:31  ( -71.19,-111.09)    0.59                33
 01/01/2020   14:06:49   (  67.72,-167.54) 01/01/2020   14:07:35  (  67.72,-167.52)    1.03                46