Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 9 4.  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)
 09/05/2019   16:22:32   (  67.90, 158.69) 09/05/2019   16:23:29  (  67.89, 158.67)    0.78                57
 09/05/2019   17:12:23   ( -70.80, -29.87) 09/05/2019   17:12:04  ( -70.80, -29.83)    1.40                19
 09/08/2019   08:38:59   (  67.82, -85.52) 09/08/2019   08:39:58  (  67.81, -85.54)    0.75                59
 09/08/2019   09:28:51   ( -70.67,  85.82) 09/08/2019   09:28:34  ( -70.68,  85.86)    1.76                17
 09/11/2019   00:55:25   (  67.85,  30.40) 09/11/2019   00:56:26  (  67.84,  30.37)    1.16                61
 09/11/2019   01:45:18   ( -70.65,-158.33) 09/11/2019   01:45:03  ( -70.66,-158.29)    1.60                15
 09/13/2019   17:11:49   (  67.98, 146.46) 09/13/2019   17:12:52  (  67.98, 146.41)    2.03                63
 09/13/2019   18:01:43   ( -70.74, -42.30) 09/13/2019   18:01:30  ( -70.74, -42.28)    0.94                13
 09/16/2019   09:28:32   (  67.09, -98.73) 09/16/2019   09:29:36  (  67.10, -98.70)    1.41                64
 09/16/2019   10:18:06   ( -70.87,  73.81) 09/16/2019   10:17:55  ( -70.87,  73.80)    0.24                11