Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2020 12 14.  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)
 12/15/2020   02:10:41   (  46.13,  -0.19) 12/15/2020   02:10:43  (  46.15,  -0.23)    4.32                 2
 12/15/2020   02:58:51   ( -55.14, 171.31) 12/15/2020   02:57:40  ( -55.14, 171.33)    1.13                71
 12/17/2020   18:26:54   (  46.55, 115.91) 12/17/2020   18:27:03  (  46.58, 115.81)    8.03                 9
 12/17/2020   19:15:19   ( -54.69, -73.01) 12/17/2020   19:14:15  ( -54.69, -73.02)    1.02                64
 12/20/2020   10:43:08   (  46.97,-128.00) 12/20/2020   10:43:24  (  47.00,-128.14)   11.65                16
 12/20/2020   11:32:13   ( -52.82,  41.94) 12/20/2020   11:31:15  ( -52.82,  41.95)    0.39                58
 12/23/2020   02:59:22   (  47.38, -11.91) 12/23/2020   02:59:45  (  47.42, -12.10)   15.22                23
 12/23/2020   03:49:05   ( -51.06, 157.01) 12/23/2020   03:48:13  ( -51.06, 157.03)    1.33                52
 12/25/2020   19:15:36   (  47.78, 104.19) 12/25/2020   19:16:06  (  47.82, 103.94)   18.79                30