Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 10 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)
 10/22/2021   05:16:46   (  70.47, 100.51) 10/22/2021   05:17:55  (  70.47, 100.54)    0.94                69
 10/22/2021   06:06:24   ( -67.07, -87.51) 10/22/2021   06:06:18  ( -67.08, -87.53)    0.79                 6
 10/24/2021   21:37:09   (  80.76, 170.01) 10/24/2021   21:38:22  (  81.20, 171.15)   53.06                73
 10/24/2021   22:22:52   ( -67.65,  27.75) 10/24/2021   22:22:56  ( -67.66,  27.72)    1.43                 4
 10/24/2021   23:12:30   (  63.92,-161.00) 10/24/2021   23:11:18  (  63.92,-160.98)    1.23                72
 10/27/2021   14:39:34   ( -68.98, 141.97) 10/27/2021   14:39:47  ( -68.97, 142.03)    2.48                13
 10/27/2021   15:28:59   (  64.58, -45.67) 10/27/2021   15:27:57  (  64.58, -45.67)    0.03                62
 10/30/2021   06:55:56   ( -69.24,-102.44) 10/30/2021   06:56:19  ( -69.23,-102.43)    0.74                23
 10/30/2021   07:45:25   (  65.08,  69.80) 10/30/2021   07:44:33  (  65.08,  69.77)    1.70                52
 11/01/2021   23:12:15   ( -69.39,  13.29) 11/01/2021   23:12:48  ( -69.40,  13.25)    1.61                33