Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 10 16.  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)
 10/16/2021   20:43:43   (  68.96,-129.13) 10/16/2021   20:44:32  (  68.96,-129.16)    1.58                49
 10/16/2021   21:33:20   ( -65.41,  42.40) 10/16/2021   21:32:54  ( -65.42,  42.38)    0.98                26
 10/19/2021   13:00:16   (  69.80, -14.38) 10/19/2021   13:01:15  (  69.80, -14.38)    0.06                59
 10/19/2021   13:49:54   ( -66.32, 157.39) 10/19/2021   13:49:38  ( -66.32, 157.37)    0.50                16
 10/22/2021   05:16:44   (  70.42, 100.60) 10/22/2021   05:17:53  (  70.42, 100.62)    0.90                69
 10/22/2021   06:06:24   ( -67.06, -87.50) 10/22/2021   06:06:18  ( -67.07, -87.52)    0.65                 6
 10/24/2021   21:37:07   (  80.72, 170.72) 10/24/2021   21:38:20  (  81.16, 171.88)   52.65                73
 10/24/2021   22:22:51   ( -67.59,  27.82) 10/24/2021   22:22:55  ( -67.60,  27.79)    1.47                 4
 10/24/2021   23:12:29   (  63.86,-160.95) 10/24/2021   23:11:17  (  63.86,-160.93)    1.04                72
 10/27/2021   14:39:32   ( -68.87, 142.12) 10/27/2021   14:39:45  ( -68.86, 142.17)    2.12                13