Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 12 10.  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)
 12/11/2019   03:54:53   (  69.63, -12.16) 12/11/2019   03:55:08  (  69.63, -12.18)    0.75                15
 12/11/2019   04:44:43   ( -72.53, 160.12) 12/11/2019   04:43:42  ( -72.53, 160.06)    2.16                61
 12/13/2019   20:11:27   (  69.12, 103.00) 12/13/2019   20:11:46  (  69.12, 103.02)    0.90                19
 12/13/2019   21:01:16   ( -72.09, -84.85) 12/13/2019   21:00:19  ( -72.09, -84.85)    0.13                57
 12/16/2019   12:28:01   (  68.66,-141.74) 12/16/2019   12:28:24  (  68.66,-141.68)    2.21                23
 12/16/2019   13:17:50   ( -71.64,  30.21) 12/16/2019   13:16:57  ( -71.65,  30.26)    1.99                53
 12/19/2019   04:44:15   (  69.26, -25.01) 12/19/2019   04:44:43  (  69.25, -25.05)    1.73                28
 12/19/2019   05:34:07   ( -72.07, 146.89) 12/19/2019   05:33:19  ( -72.06, 146.85)    1.74                48
 12/21/2019   21:00:46   (  68.95,  90.45) 12/21/2019   21:01:18  (  68.95,  90.43)    1.04                32