Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 6 17.  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)
 06/17/2019   07:21:17   ( -58.78, 106.60) 06/17/2019   07:22:31  ( -58.70, 106.92)   20.21                74
 06/17/2019   08:08:43   (  69.58, -75.65) 06/17/2019   08:08:44  (  69.59, -75.62)    1.34                 1
 06/17/2019   08:58:06   ( -73.87,  99.64) 06/17/2019   08:56:52  ( -73.91,  99.49)    6.20                74
 06/19/2019   23:38:23   ( -56.59,-138.88) 06/19/2019   23:39:37  ( -56.50,-138.49)   26.18                74
 06/20/2019   00:25:08   (  69.70,  40.40) 06/20/2019   00:25:10  (  69.70,  40.41)    0.60                 2
 06/20/2019   01:15:06   ( -72.22,-148.03) 06/20/2019   01:13:52  ( -72.23,-147.99)    1.52                74
 06/22/2019   15:55:26   ( -54.55, -24.15) 06/22/2019   15:56:40  ( -54.45, -23.69)   31.71                74
 06/22/2019   16:41:31   (  69.91, 156.61) 06/22/2019   16:41:34  (  69.91, 156.59)    0.59                 3
 06/22/2019   17:31:30   ( -72.39, -31.83) 06/22/2019   17:30:17  ( -72.39, -31.82)    0.38                73
 06/25/2019   08:12:25   ( -52.68,  90.77) 06/25/2019   08:13:38  ( -52.62,  91.30)   36.66                73
 06/25/2019   08:57:51   (  70.24, -87.02) 06/25/2019   08:57:55  (  70.23, -87.07)    2.21                 4
 06/25/2019   09:47:52   ( -72.60,  84.48) 06/25/2019   09:46:40  ( -72.59,  84.45)    1.26                72
 06/28/2019   00:29:20   ( -51.09,-154.11) 06/28/2019   00:30:33  ( -51.01,-153.54)   40.89                73
 06/28/2019   01:14:29   (  69.66,  28.00) 06/28/2019   01:14:33  (  69.66,  28.02)    0.76                 4
 06/28/2019   02:04:28   ( -72.15,-160.53) 06/28/2019   02:03:16  ( -72.15,-160.47)    1.96                72
 06/30/2019   16:46:11   ( -49.72, -38.85) 06/30/2019   16:47:15  ( -50.16, -38.02)   76.96                64
 06/30/2019   17:30:48   (  70.09, 144.53) 06/30/2019   17:30:53  (  70.08, 144.48)    1.74                 5