Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 8 13.  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)
 08/15/2019   06:10:56   (  68.18, -48.06) 08/15/2019   06:11:33  (  68.19, -48.02)    1.78                37
 08/15/2019   07:00:29   ( -71.95, 125.07) 08/15/2019   06:59:51  ( -71.95, 125.01)    2.42                38
 08/17/2019   22:27:14   (  68.59,  68.36) 08/17/2019   22:27:53  (  68.59,  68.35)    0.43                39
 08/17/2019   23:17:06   ( -71.42,-120.01) 08/17/2019   23:16:29  ( -71.42,-120.00)    0.66                37
 08/20/2019   14:43:52   (  67.98,-176.54) 08/20/2019   14:44:32  (  67.99,-176.49)    1.99                40
 08/20/2019   15:33:25   ( -71.82,  -3.42) 08/20/2019   15:32:50  ( -71.81,  -3.47)    1.82                35
 08/23/2019   07:00:08   (  68.55, -59.92) 08/23/2019   07:00:50  (  68.55, -59.94)    0.75                42
 08/23/2019   07:50:00   ( -71.38, 111.69) 08/23/2019   07:49:26  ( -71.39, 111.71)    0.67                34
 08/25/2019   23:16:42   (  68.10,  55.39) 08/25/2019   23:17:25  (  68.10,  55.41)    1.10                43