Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 6 18.  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)
 06/19/2019   23:38:24   ( -56.51,-138.93) 06/19/2019   23:39:38  ( -56.42,-138.53)   26.37                74
 06/20/2019   00:25:08   (  69.68,  40.38) 06/20/2019   00:25:10  (  69.68,  40.40)    0.80                 2
 06/20/2019   01:15:06   ( -72.21,-148.06) 06/20/2019   01:13:52  ( -72.21,-148.01)    1.66                74
 06/22/2019   15:55:28   ( -54.42, -24.22) 06/22/2019   15:56:41  ( -54.37, -23.73)   32.04                73
 06/22/2019   16:41:32   (  69.84, 156.50) 06/22/2019   16:41:35  (  69.84, 156.50)    0.37                 3
 06/22/2019   17:31:30   ( -72.37, -31.86) 06/22/2019   17:30:17  ( -72.37, -31.85)    0.56                73
 06/25/2019   08:12:27   ( -52.61,  90.73) 06/25/2019   08:13:40  ( -52.54,  91.27)   36.85                73
 06/25/2019   08:57:53   (  70.17, -87.12) 06/25/2019   08:57:57  (  70.16, -87.17)    1.96                 4
 06/25/2019   09:47:53   ( -72.58,  84.44) 06/25/2019   09:46:41  ( -72.58,  84.42)    1.05                72
 06/28/2019   00:29:21   ( -51.01,-154.15) 06/28/2019   00:30:34  ( -50.93,-153.57)   41.08                73
 06/28/2019   01:14:30   (  69.59,  27.89) 06/28/2019   01:14:34  (  69.59,  27.92)    1.00                 4
 06/28/2019   02:04:28   ( -72.13,-160.56) 06/28/2019   02:03:16  ( -72.14,-160.51)    2.18                72
 06/30/2019   16:46:12   ( -49.64, -38.88) 06/30/2019   16:47:15  ( -50.14, -38.03)   82.76                63
 06/30/2019   17:30:48   (  70.07, 144.49) 06/30/2019   17:30:53  (  70.06, 144.46)    1.51                 5