Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2020 1 20.  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)
 01/20/2020   08:05:45   (  54.12, -86.94) 01/20/2020   08:06:58  (  54.04, -86.44)   33.64                73
 01/20/2020   08:51:41   ( -70.21,  94.52) 01/20/2020   08:51:45  ( -70.20,  94.46)    2.26                 4
 01/20/2020   09:41:43   (  72.36, -94.39) 01/20/2020   09:40:30  (  72.36, -94.38)    0.30                73
 01/23/2020   01:08:25   ( -69.20,-151.06) 01/23/2020   01:08:33  ( -69.21,-151.01)    2.15                 8
 01/23/2020   01:58:08   (  72.36,  21.50) 01/23/2020   01:57:00  (  72.36,  21.49)    0.45                68
 01/25/2020   17:24:50   ( -69.15, -35.24) 01/25/2020   17:25:03  ( -69.15, -35.21)    1.13                13
 01/25/2020   18:14:32   (  72.35, 137.39) 01/25/2020   18:13:29  (  72.35, 137.35)    1.48                63
 01/28/2020   09:41:14   ( -69.20,  80.74) 01/28/2020   09:41:32  ( -69.20,  80.73)    0.26                18
 01/28/2020   10:31:11   (  71.63,-108.08) 01/28/2020   10:30:12  (  71.63,-108.02)    2.50                59
 01/31/2020   01:57:36   ( -69.36,-163.14) 01/31/2020   01:57:59  ( -69.35,-163.19)    1.99                23
 01/31/2020   02:47:34   (  71.72,   7.99) 01/31/2020   02:46:40  (  71.72,   8.01)    0.81                54
 02/02/2020   18:14:15   ( -68.56, -48.34) 02/02/2020   18:14:42  ( -68.56, -48.32)    0.83                27