Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 9 12.  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)
 09/13/2019   17:12:08   (  66.90, 145.18) 09/13/2019   17:13:12  (  66.91, 145.22)    2.20                64
 09/13/2019   18:01:41   ( -70.79, -42.21) 09/13/2019   18:01:30  ( -70.79, -42.21)    0.33                11
 09/16/2019   09:28:33   (  66.97, -98.85) 09/16/2019   09:29:41  (  66.98, -98.83)    0.97                68
 09/16/2019   10:18:07   ( -70.81,  73.71) 09/16/2019   10:18:00  ( -70.81,  73.69)    0.61                 7
 09/16/2019   11:01:02   (  76.48,  -2.36) 09/16/2019   10:59:50  (  77.04,   0.34)   92.91                72
 09/19/2019   01:44:56   (  67.15,  17.24) 09/19/2019   01:46:08  (  67.15,  17.23)    0.42                72
 09/19/2019   02:34:32   ( -70.88,-170.28) 09/19/2019   02:34:29  ( -70.87,-170.33)    1.76                 3
 09/19/2019   03:20:21   (  81.33,  63.76) 09/19/2019   03:19:08  (  81.84,  63.70)   56.78                73
 09/21/2019   18:02:53   (  62.09, 128.26) 09/21/2019   18:04:06  (  62.07, 128.53)   14.33                73
 09/21/2019   18:51:12   ( -70.11, -55.62) 09/21/2019   18:51:12  ( -70.12, -55.58)    1.98                 0
 09/21/2019   19:39:24   (  77.49, 130.81) 09/21/2019   19:38:11  (  77.60, 130.04)   22.29                73
 09/24/2019   10:22:03   (  52.80,-121.68) 09/24/2019   10:23:16  (  52.71,-121.10)   39.89                73
 09/24/2019   11:07:35   ( -70.28,  60.53) 09/24/2019   11:07:39  ( -70.28,  60.54)    0.40                 4