Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 9 10.  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)
 09/11/2019   00:55:30   (  67.54,  30.03) 09/11/2019   00:56:31  (  67.54,  30.03)    0.10                61
 09/11/2019   01:45:20   ( -70.50,-158.56) 09/11/2019   01:45:05  ( -70.51,-158.50)    2.49                15
 09/13/2019   17:11:56   (  67.56, 145.94) 09/13/2019   17:12:59  (  67.56, 145.94)    0.24                63
 09/13/2019   18:01:48   ( -70.43, -42.80) 09/13/2019   18:01:35  ( -70.43, -42.73)    2.55                13
 09/16/2019   09:28:22   (  67.58, -98.15) 09/16/2019   09:29:27  (  67.58, -98.16)    0.71                65
 09/16/2019   10:18:14   ( -70.45,  73.13) 09/16/2019   10:18:03  ( -70.46,  73.19)    2.34                11
 09/19/2019   01:44:47   (  67.65,  17.83) 09/19/2019   01:45:54  (  67.65,  17.80)    1.41                67
 09/19/2019   02:34:40   ( -70.47,-170.95) 09/19/2019   02:34:31  ( -70.48,-170.90)    1.85                 9
 09/21/2019   18:01:09   (  67.83, 133.94) 09/21/2019   18:02:18  (  67.83, 133.89)    2.33                69
 09/21/2019   18:51:04   ( -70.55, -54.94) 09/21/2019   18:50:57  ( -70.55, -54.91)    1.09                 7
 09/21/2019   19:34:04   (  76.93,-132.33) 09/21/2019   19:32:52  (  77.50,-129.69)   90.96                72
 09/24/2019   10:17:53   (  66.87,-111.31) 09/24/2019   10:19:03  (  66.88,-111.28)    1.24                70
 09/24/2019   11:07:28   ( -70.67,  61.15) 09/24/2019   11:07:23  ( -70.67,  61.15)    0.07                 5