Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 6 20.  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)
 06/22/2019   15:56:12   ( -51.89, -25.50) 06/22/2019   15:57:25  ( -51.82, -24.95)   38.54                73
 06/22/2019   16:41:32   (  69.82, 156.47) 06/22/2019   16:41:36  (  69.82, 156.46)    0.39                 4
 06/22/2019   17:31:30   ( -72.34, -31.91) 06/22/2019   17:30:18  ( -72.35, -31.90)    0.42                72
 06/25/2019   08:58:09   (  69.29, -88.41) 06/25/2019   08:58:14  (  69.30, -88.36)    2.26                 5
 06/25/2019   09:47:51   ( -72.65,  84.60) 06/25/2019   09:46:41  ( -72.65,  84.54)    1.96                70
 06/28/2019   01:14:28   (  69.72,  28.09) 06/28/2019   01:14:35  (  69.71,  28.08)    0.45                 7
 06/28/2019   02:04:26   ( -72.25,-160.32) 06/28/2019   02:03:17  ( -72.25,-160.30)    0.62                69
 06/30/2019   17:31:03   (  69.29, 143.36) 06/30/2019   17:31:11  (  69.30, 143.40)    1.53                 8
 06/30/2019   18:20:45   ( -72.66, -43.62) 06/30/2019   18:19:38  ( -72.65, -43.69)    2.54                67
 07/03/2019   09:47:17   (  69.93, -99.83) 07/03/2019   09:47:27  (  69.93, -99.87)    1.83                10