Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2020 1 7.  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)
 01/09/2020   14:56:08   (  67.41, 179.80) 01/09/2020   14:57:06  (  67.41, 179.79)    0.54                58
 01/09/2020   15:45:47   ( -70.95,  -7.89) 01/09/2020   15:45:30  ( -70.94,  -7.93)    1.54                17
 01/12/2020   07:12:48   (  66.59, -65.24) 01/12/2020   07:13:49  (  66.60, -65.20)    1.94                61
 01/12/2020   08:02:25   ( -70.27, 106.91) 01/12/2020   08:02:11  ( -70.28, 106.95)    1.68                14
 01/14/2020   23:29:06   (  66.97,  51.08) 01/14/2020   23:30:11  (  66.96,  51.07)    0.52                65
 01/15/2020   00:18:46   ( -70.48,-136.86) 01/15/2020   00:18:36  ( -70.48,-136.87)    0.54                10
 01/17/2020   15:45:43   (  66.31, 166.25) 01/17/2020   15:46:51  (  66.31, 166.28)    1.55                68
 01/17/2020   16:35:22   ( -69.90, -21.86) 01/17/2020   16:35:15  ( -69.91, -21.81)    2.11                 7
 01/17/2020   17:18:18   (  77.27, -99.84) 01/17/2020   17:17:06  (  77.84, -97.23)   89.80                72
 01/20/2020   08:01:58   (  66.79, -77.32) 01/20/2020   08:03:10  (  66.79, -77.35)    1.26                72
 01/20/2020   08:51:40   ( -70.21,  94.52) 01/20/2020   08:51:37  ( -70.21,  94.50)    0.62                 3