Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 11 19.  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)
 11/20/2021   17:08:42   ( -70.28, 103.11) 11/20/2021   17:08:53  ( -70.28, 103.09)    0.99                11
 11/20/2021   17:58:38   (  67.56, -85.84) 11/20/2021   17:57:31  (  67.55, -85.79)    2.09                67
 11/23/2021   07:45:58   ( -72.21,-119.43) 11/23/2021   07:47:04  ( -72.21,-119.43)    0.11                66
 11/23/2021   08:36:00   (  69.83,  51.95) 11/23/2021   08:35:48  (  69.83,  51.97)    0.79                12
 11/25/2021   23:13:20   (  71.30,-169.64) 11/25/2021   23:13:51  (  71.30,-169.63)    0.27                31
 11/26/2021   00:03:08   ( -68.32,   2.17) 11/26/2021   00:02:22  ( -68.32,   2.16)    0.28                46
 11/28/2021   13:50:42   (  72.22, -30.61) 11/28/2021   13:51:44  (  72.22, -30.61)    0.13                62
 11/28/2021   14:40:47   ( -70.16, 140.31) 11/28/2021   14:40:31  ( -70.15, 140.37)    2.44                16
 12/01/2021   04:33:17   (  80.68,  27.05) 12/01/2021   04:34:30  (  81.31,  25.58)   74.92                73
 12/01/2021   05:18:11   ( -70.55, -79.61) 12/01/2021   05:18:14  ( -70.55, -79.60)    0.23                 3