Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2020 7 21.  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)
 07/23/2020   07:09:05   ( -59.92, 110.79) 07/23/2020   07:09:52  ( -59.92, 110.81)    0.77                47
 07/23/2020   07:58:06   (  65.54, -77.11) 07/23/2020   07:57:39  (  65.55, -77.09)    1.16                27
 07/25/2020   23:25:36   ( -59.48,-133.60) 07/25/2020   23:26:29  ( -59.48,-133.61)    0.27                53
 07/26/2020   00:14:34   (  65.28,  38.53) 07/26/2020   00:14:13  (  65.28,  38.53)    0.36                21
 07/28/2020   15:42:05   ( -59.15, -17.91) 07/28/2020   15:43:04  ( -59.14, -17.94)    1.53                59
 07/28/2020   16:31:01   (  65.06, 154.23) 07/28/2020   16:30:46  (  65.06, 154.21)    0.74                15
 07/31/2020   07:58:58   ( -57.41,  96.87) 07/31/2020   08:00:02  ( -57.41,  96.89)    1.06                64
 07/31/2020   08:47:26   (  64.91, -90.01) 07/31/2020   08:47:17  (  64.90, -90.06)    2.11                 9
 07/31/2020   09:29:01   ( -77.68,-164.03) 07/31/2020   09:27:48  ( -78.22,-161.49)   83.78                73
 08/03/2020   00:15:25   ( -57.19,-147.35) 08/03/2020   00:16:35  ( -57.18,-147.36)    0.70                70
 08/03/2020   01:04:13   (  63.59,  24.67) 08/03/2020   01:04:09  (  63.59,  24.68)    0.75                 4