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)
 12/19/2019   04:44:30   (  68.43, -26.13) 12/19/2019   04:44:57  (  68.44, -26.08)    2.28                27
 12/19/2019   05:34:19   ( -71.42, 145.71) 12/19/2019   05:33:30  ( -71.43, 145.78)    2.44                49
 12/21/2019   21:00:59   (  68.23,  89.52) 12/21/2019   21:01:30  (  68.24,  89.56)    2.12                31
 12/21/2019   21:50:32   ( -72.05, -97.23) 12/21/2019   21:49:48  ( -72.04, -97.29)    2.47                44
 12/24/2019   13:17:25   (  68.20,-154.63) 12/24/2019   13:18:00  (  68.20,-154.60)    1.41                35
 12/24/2019   14:07:15   ( -71.14,  17.02) 12/24/2019   14:06:34  ( -71.15,  17.09)    2.64                41
 12/27/2019   05:33:48   (  68.32, -38.58) 12/27/2019   05:34:27  (  68.32, -38.58)    0.20                39
 12/27/2019   06:23:41   ( -71.10, 132.86) 12/27/2019   06:23:04  ( -71.11, 132.91)    1.87                37
 12/29/2019   21:50:09   (  68.50,  77.55) 12/29/2019   21:50:52  (  68.49,  77.51)    1.59                43
 12/29/2019   22:40:03   ( -71.22,-111.04) 12/29/2019   22:39:30  ( -71.22,-111.03)    0.53                33
 01/01/2020   14:06:48   (  67.76,-167.49) 01/01/2020   14:07:34  (  67.76,-167.47)    0.95                46