Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 9 15.  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)
 09/16/2019   09:28:32   (  67.03, -98.79) 09/16/2019   09:29:40  (  67.03, -98.77)    0.68                68
 09/16/2019   10:18:06   ( -70.86,  73.80) 09/16/2019   10:17:59  ( -70.86,  73.77)    1.08                 7
 09/16/2019   11:01:00   (  76.38,  -2.01) 09/16/2019   10:59:48  (  76.94,   0.69)   93.31                72
 09/19/2019   01:44:53   (  67.33,  17.44) 09/19/2019   01:46:05  (  67.32,  17.42)    1.28                72
 09/19/2019   02:34:46   ( -70.15,-171.44) 09/19/2019   02:34:42  ( -70.16,-171.39)    2.28                 4
 09/19/2019   03:20:13   (  81.30,  66.99) 09/19/2019   03:19:00  (  81.82,  67.15)   58.56                73
 09/21/2019   18:02:39   (  62.94, 128.96) 09/21/2019   18:03:52  (  62.93, 129.20)   11.92                73
 09/21/2019   18:51:07   ( -70.44, -55.10) 09/21/2019   18:51:07  ( -70.44, -55.10)    0.06                 0
 09/21/2019   19:39:09   (  78.12, 133.94) 09/21/2019   19:37:56  (  78.27, 133.05)   25.69                73
 09/24/2019   10:21:36   (  54.38,-120.87) 09/24/2019   10:22:49  (  54.30,-120.33)   35.53                73
 09/24/2019   11:07:42   ( -69.94,  60.01) 09/24/2019   11:07:45  ( -69.95,  60.06)    2.28                 3
 09/24/2019   11:57:31   (  72.76,-127.71) 09/24/2019   11:56:18  (  72.76,-127.69)    0.43                73
 09/27/2019   03:23:59   ( -70.44, 176.66) 09/27/2019   03:24:06  ( -70.43, 176.64)    1.04                 7