Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2020 4 12.  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)
 04/15/2020   03:18:55   ( -67.64, 174.56) 04/15/2020   03:19:10  ( -67.64, 174.55)    0.38                15
 04/15/2020   04:08:47   (  70.37, -14.34) 04/15/2020   04:07:46  (  70.38, -14.28)    2.31                61
 04/17/2020   19:35:30   ( -67.00, -70.29) 04/17/2020   19:35:49  ( -67.00, -70.27)    1.15                19
 04/17/2020   20:25:02   (  70.80, 102.26) 04/17/2020   20:24:06  (  70.79, 102.22)    1.61                56
 04/20/2020   11:52:04   ( -66.46,  45.01) 04/20/2020   11:52:27  ( -66.47,  45.05)    2.10                23
 04/20/2020   12:41:32   (  70.49,-142.33) 04/20/2020   12:40:40  (  70.49,-142.36)    0.93                52
 04/23/2020   04:08:16   ( -67.12, 161.66) 04/23/2020   04:08:44  ( -67.11, 161.61)    2.36                28
 04/23/2020   04:58:01   (  70.24, -26.83) 04/23/2020   04:57:13  (  70.23, -26.85)    0.86                48
 04/25/2020   20:25:06   ( -65.71, -83.98) 04/25/2020   20:25:37  ( -65.72, -83.93)    2.24                31