Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 6 14.  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)
 06/14/2019   15:04:08   ( -61.18,  -7.59) 06/14/2019   15:05:22  ( -61.12,  -7.36)   13.56                74
 06/14/2019   15:52:18   (  69.52, 168.38) 06/14/2019   15:52:18  (  69.52, 168.42)    1.66                 0
 06/14/2019   16:41:01   ( -75.73, -11.07) 06/14/2019   16:39:47  ( -75.81, -11.48)   14.68                74
 06/17/2019   07:21:22   ( -58.49, 106.41) 06/17/2019   07:22:36  ( -58.41, 106.74)   20.92                74
 06/17/2019   08:08:45   (  69.47, -75.82) 06/17/2019   08:08:46  (  69.47, -75.77)    1.92                 1
 06/17/2019   08:58:11   ( -73.62,  99.04) 06/17/2019   08:56:57  ( -73.65,  98.92)    5.14                74
 06/19/2019   23:38:38   ( -55.72,-139.38) 06/19/2019   23:39:52  ( -55.62,-138.97)   28.46                74
 06/20/2019   00:25:13   (  69.41,  39.99) 06/20/2019   00:25:15  (  69.42,  40.04)    2.11                 2
 06/20/2019   01:14:56   ( -72.72,-147.04) 06/20/2019   01:13:43  ( -72.71,-147.10)    2.14                73
 06/22/2019   15:55:53   ( -52.99, -24.96) 06/22/2019   15:57:06  ( -52.93, -24.43)   35.70                73
 06/22/2019   16:41:41   (  69.36, 155.80) 06/22/2019   16:41:44  (  69.36, 155.85)    2.25                 3
 06/22/2019   17:31:24   ( -72.67, -31.26) 06/22/2019   17:30:12  ( -72.66, -31.31)    1.86                72
 06/25/2019   08:13:08   ( -50.24,  89.62) 06/25/2019   08:14:21  ( -50.16,  90.21)   42.88                73
 06/25/2019   08:58:08   (  69.30, -88.40) 06/25/2019   08:58:12  (  69.30, -88.35)    2.32                 4
 06/25/2019   09:47:51   ( -72.61,  84.52) 06/25/2019   09:46:40  ( -72.61,  84.47)    1.68                71
 06/28/2019   01:14:35   (  69.29,  27.47) 06/28/2019   01:14:40  (  69.30,  27.52)    2.34                 5