Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 12 8.  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   03:54:52   (  69.66, -12.13) 12/11/2019   03:55:07  (  69.65, -12.15)    1.03                15
 12/11/2019   04:44:42   ( -72.56, 160.17) 12/11/2019   04:43:41  ( -72.55, 160.10)    2.42                61
 12/13/2019   20:11:26   (  69.20, 103.11) 12/13/2019   20:11:45  (  69.20, 103.12)    0.51                19
 12/13/2019   21:01:16   ( -72.12, -84.80) 12/13/2019   21:00:19  ( -72.11, -84.81)    0.32                57
 12/16/2019   12:27:59   (  68.79,-141.55) 12/16/2019   12:28:22  (  68.80,-141.51)    1.70                23
 12/16/2019   13:17:49   ( -71.72,  30.36) 12/16/2019   13:16:56  ( -71.73,  30.40)    1.46                53
 12/19/2019   04:44:12   (  69.40, -24.81) 12/19/2019   04:44:40  (  69.39, -24.87)    2.38                28
 12/19/2019   05:34:05   ( -72.15, 147.06) 12/19/2019   05:33:17  ( -72.14, 146.99)    2.41                48
 12/21/2019   21:00:43   (  69.10,  90.66) 12/21/2019   21:01:15  (  69.09,  90.61)    1.83                32