Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 12 21.  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)
 12/21/2019   21:00:42   (  69.13,  90.71) 12/21/2019   21:01:14  (  69.12,  90.66)    2.17                32
 12/21/2019   21:50:34   ( -71.93, -97.45) 12/21/2019   21:49:50  ( -71.92, -97.50)    1.86                44
 12/24/2019   13:17:10   (  68.98,-153.60) 12/24/2019   13:17:46  (  68.97,-153.65)    2.26                36
 12/24/2019   14:07:03   ( -71.74,  18.08) 12/24/2019   14:06:23  ( -71.73,  18.05)    1.37                40
 12/27/2019   05:33:57   (  67.80, -39.22) 12/27/2019   05:34:36  (  67.81, -39.18)    2.17                39
 12/27/2019   06:23:31   ( -71.59, 133.72) 12/27/2019   06:22:55  ( -71.59, 133.68)    1.23                36
 12/29/2019   21:50:22   (  67.81,  76.68) 12/29/2019   21:51:05  (  67.82,  76.71)    1.42                43
 12/29/2019   22:39:58   ( -71.49,-110.56) 12/29/2019   22:39:26  ( -71.49,-110.60)    1.44                32
 01/01/2020   14:06:46   (  67.81,-167.42) 01/01/2020   14:07:33  (  67.81,-167.41)    0.35                47